master > master: src go - algorithmen + display methoden hinzugefügt
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53
code/golang/internal/algorithms/search/binary/binary.go
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53
code/golang/internal/algorithms/search/binary/binary.go
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@ -0,0 +1,53 @@
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package binary
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/* ---------------------------------------------------------------- *
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* IMPORTS
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* ---------------------------------------------------------------- */
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import (
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"fmt"
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"ads/internal/core/logging"
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"ads/internal/core/metrics"
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)
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/* ---------------------------------------------------------------- *
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* GLOBAL VARIABLES/CONSTANTS
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* ---------------------------------------------------------------- */
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//
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/* ---------------------------------------------------------------- *
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* ALGORITHM binary search
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* ---------------------------------------------------------------- */
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/*
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Inputs: L = Liste von Zahlen, x = Zahl.
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Annahme: L sei aufsteigend sortiert.
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Outputs: Position von x in L, sonst −1 wenn x nicht in L.
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*/
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func BinarySearch(L []int, x int) int {
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if len(L) == 0 {
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logging.LogDebug(fmt.Sprintf("x nicht in L"))
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return -1
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}
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metrics.AddTimeCost()
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m := int(len(L) / 2)
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if L[m] == x {
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logging.LogDebug(fmt.Sprintf("x in Position m gefunden"))
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return m
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} else if x < L[m] {
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logging.LogDebug(fmt.Sprintf("Suche in linker Hälfte fortsetzen."))
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index := BinarySearch(L[:m], x)
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return index
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} else { // } else if x > L[m] {
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logging.LogDebug(fmt.Sprintf("Suche in rechter Hälfte fortsetzen."))
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index := BinarySearch(L[m+1:], x)
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if index >= 0 {
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index += (m + 1) // NOTE: muss Indexwert kompensieren
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}
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return index
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}
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}
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@ -0,0 +1,94 @@
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package binary
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/* ---------------------------------------------------------------- *
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* IMPORTS
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* ---------------------------------------------------------------- */
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import (
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"fmt"
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"ads/internal/core/metrics"
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"ads/internal/core/utils"
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"ads/internal/setup"
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)
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/* ---------------------------------------------------------------- *
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* GLOBAL VARIABLES/CONSTANTS
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* ---------------------------------------------------------------- */
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//
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/* ---------------------------------------------------------------- *
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* CHECKS
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* ---------------------------------------------------------------- */
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func preChecks(L []int, _ ...interface{}) error {
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if !utils.IsSortedListInt(L) {
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return fmt.Errorf("Ungültiger Input: L muss aufsteigend sortiert sein!")
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}
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return nil
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}
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func postChecks(L []int, x int, index int, _ ...interface{}) error {
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if utils.ArrayContains(L, x) {
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if !(index >= 0) {
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return fmt.Errorf("Der Algorithmus sollte nicht -1 zurückgeben.")
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}
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if L[index] != x {
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return fmt.Errorf("Der Algorithmus hat den falschen Index bestimmt.")
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}
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} else {
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if index != -1 {
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return fmt.Errorf("Der Algorithmus sollte -1 zurückgeben.")
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}
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}
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return nil
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}
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/* ---------------------------------------------------------------- *
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* ALGORITHM binary search + Display
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* ---------------------------------------------------------------- */
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func FancyBinarySearch(input_L []int, input_x int) (int, error) {
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var name = "Binärsuchalgorithmus"
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var inputs = map[string]interface{}{
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"L": input_L,
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"x": input_x,
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}
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var outputs map[string]interface{}
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var (
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output_index int
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)
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var err error
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do_once := true
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for do_once {
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do_once = false
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setup.DisplayStartOfAlgorithm(name, inputs)
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metrics.RestartMetrics()
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// Prechecks:
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err = preChecks(input_L, input_x)
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if err != nil {
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break
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}
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// Ausführung des Algorithmus:
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output_index = BinarySearch(input_L, input_x)
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outputs = map[string]interface{}{
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"index": output_index,
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}
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// Letzte Messages:
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setup.DisplayMetrics()
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setup.DisplayEndOfAlgorithm(outputs)
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// Postchecks:
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err = postChecks(input_L, input_x, output_index)
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if err != nil {
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break
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}
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}
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return output_index, err
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}
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69
code/golang/internal/algorithms/search/interpol/interpol.go
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69
code/golang/internal/algorithms/search/interpol/interpol.go
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package interpol
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/* ---------------------------------------------------------------- *
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* IMPORTS
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* ---------------------------------------------------------------- */
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import (
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"fmt"
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"math"
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"ads/internal/core/logging"
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"ads/internal/core/metrics"
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)
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/* ---------------------------------------------------------------- *
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* GLOBAL VARIABLES/CONSTANTS
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* ---------------------------------------------------------------- */
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//
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/* ---------------------------------------------------------------- *
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* ALGORITHM interpolation
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* ---------------------------------------------------------------- */
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/*
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Inputs: L = Liste von Zahlen, x = Zahl.
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Annahme: L sei aufsteigend sortiert.
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Outputs: Position von x in L, sonst −1 wenn x nicht in L.
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*/
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func InterpolationSearch(L []int, x int, u int, v int) int {
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if len(L) == 0 {
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logging.LogDebug(fmt.Sprintf("Liste L leer, also x nicht in L"))
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return -1
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} else if !(L[u] <= x && x <= L[v]) {
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logging.LogDebug(fmt.Sprintf("x liegt außerhalb der Grenzen von L"))
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return -1
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}
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metrics.AddTimeCost()
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p := getSuchposition(L, x, u, v)
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logging.LogDebug(fmt.Sprintf("Interpolante von x in (u, v)=(%[1]v, %[2]v) ist p = %[3]v.", u, v, p))
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if L[p] == x {
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logging.LogDebug(fmt.Sprintf("x in Position p gefunden"))
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return p
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} else if x < L[p] {
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logging.LogDebug(fmt.Sprintf("Suche in linker Hälfte fortsetzen."))
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return InterpolationSearch(L, x, u, p-1)
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} else { // } else if x > L[p] {
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logging.LogDebug(fmt.Sprintf("Suche in rechter Hälfte fortsetzen."))
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return InterpolationSearch(L, x, p+1, v)
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}
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}
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/* ---------------------------------------------------------------- *
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* ALGORITHM interpolation
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* ---------------------------------------------------------------- */
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/*
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Inputs: L = Liste von Zahlen, x = Zahl, [u, v] = Suchinterval.
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Outputs: Interpolierte Position, um Suchinterval ausgeglichen aufzuteilen.
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*/
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func getSuchposition(L []int, x int, u int, v int) int {
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metrics.AddTimeCost()
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r := float64(x-L[u]) / float64(L[v]-L[u])
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p := int(math.Floor(float64(u) + r*float64(v-u)))
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return p
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}
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package interpol
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/* ---------------------------------------------------------------- *
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* IMPORTS
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* ---------------------------------------------------------------- */
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import (
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"fmt"
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"ads/internal/core/metrics"
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"ads/internal/core/utils"
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"ads/internal/setup"
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)
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/* ---------------------------------------------------------------- *
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* GLOBAL VARIABLES/CONSTANTS
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* ---------------------------------------------------------------- */
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//
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/* ---------------------------------------------------------------- *
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* CHECKS
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* ---------------------------------------------------------------- */
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func preChecks(L []int, _ ...interface{}) error {
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if !utils.IsSortedListInt(L) {
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return fmt.Errorf("Ungültiger Input: L muss aufsteigend sortiert sein!")
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}
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return nil
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}
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func postChecks(L []int, x int, index int, _ ...interface{}) error {
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if utils.ArrayContains(L, x) {
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if !(index >= 0) {
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return fmt.Errorf("Der Algorithmus sollte nicht -1 zurückgeben.")
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}
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if L[index] != x {
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return fmt.Errorf("Der Algorithmus hat den falschen Index bestimmt.")
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}
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} else {
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if index != -1 {
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return fmt.Errorf("Der Algorithmus sollte -1 zurückgeben.")
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}
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}
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return nil
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}
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/* ---------------------------------------------------------------- *
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* ALGORITHM interpolation + Display
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* ---------------------------------------------------------------- */
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func FancyInterpolationSearch(input_L []int, input_x int, input_u int, input_v int) (int, error) {
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var name = "Interpolationssuchalgorithmus"
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var inputs = map[string]interface{}{
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"L": input_L,
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"x": input_x,
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"u": input_u,
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"v": input_v,
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}
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var outputs map[string]interface{}
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var (
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output_index int
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)
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var err error
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do_once := true
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for do_once {
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do_once = false
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setup.DisplayStartOfAlgorithm(name, inputs)
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metrics.RestartMetrics()
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// Prechecks:
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err = preChecks(input_L, input_x, input_u, input_v)
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if err != nil {
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break
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}
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// Ausführung des Algorithmus:
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output_index = InterpolationSearch(input_L, input_x, input_u, input_v)
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outputs = map[string]interface{}{
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"index": output_index,
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}
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// Letzte Messages:
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setup.DisplayMetrics()
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setup.DisplayEndOfAlgorithm(outputs)
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// Postchecks:
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err = postChecks(input_L, input_x, output_index)
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if err != nil {
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break
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}
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}
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return output_index, err
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}
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package ith_element
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/* ---------------------------------------------------------------- *
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* IMPORTS
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* ---------------------------------------------------------------- */
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import (
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"fmt"
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"ads/internal/core/logging"
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"ads/internal/core/metrics"
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"ads/internal/core/utils"
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)
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/* ---------------------------------------------------------------- *
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* GLOBAL VARIABLES/CONSTANTS
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* ---------------------------------------------------------------- */
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//
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/* ---------------------------------------------------------------- *
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* ALGORITHM find ith smallest
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* ---------------------------------------------------------------- */
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/*
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Inputs: L = Liste von Zahlen, i = Ordinalzahl
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Annahmen:
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- L enthält keine Duplikate.
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- L enthält mindestens i Elemente.
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Outputs: Wert des i. kleinste Element in L.
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Beachte 1.kleinstes <==> Minimum.
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*/
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func FindIthSmallest(L []int, i int) int {
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n := len(L)
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// extrahiere Wert + Index des Minimums - bedarf n Schritte
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metrics.AddTimeCost(n)
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index := utils.ArgMinInt(L)
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minValue := L[index]
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// Falls i = 1, dann wird das Minimum gesucht, sonst Minimum entfernen und nach i-1. Element suchen
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if i == 1 {
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logging.LogDebug("Das i. kleinste Element wurde gefunden.")
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return minValue
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} else {
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logging.LogDebug(fmt.Sprintf("Entferne Minimum: %[1]v.", minValue))
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i = i - 1
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L_ := utils.PopIndexListInt(L, index) // entferne Element mit Index = index
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return FindIthSmallest(L_, i)
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}
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}
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/* ---------------------------------------------------------------- *
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* ALGORITHM find ith smallest (D & C)
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* ---------------------------------------------------------------- */
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/*
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Inputs: L = Liste von Zahlen, i = Ordinalzahl
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Annahmen:
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- L enthält keine Duplikate.
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- L enthält mindestens i Elemente.
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Outputs: Wert des i. kleinste Element in L.
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Beachte 1.kleinstes <==> Minimum.
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*/
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func FindIthSmallestDC(L []int, i int) int {
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metrics.AddTimeCost()
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p := L[len(L)-1] // NOTE: Pivotelement kann beliebig gewählt werden
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// Werte in L in linke und rechte Teillisten um das Pivotelement aufteilen:
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Ll := []int{} // wird alle Elemente in L < p enthalten
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Lr := []int{} // wird alle Elemente in L > p enthalten
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for i := 0; i < len(L); i++ {
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x := L[i]
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if x < p {
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Ll = append(Ll, x)
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} else if x > p {
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Lr = append(Lr, x)
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}
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}
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// Fallunterscheidung:
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if len(Ll) == i-1 {
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logging.LogDebug(fmt.Sprintf("Es gibt i-1 Elemente vor p=%[1]v. ==> i. kleinste Element = p", p))
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return p
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} else if len(Ll) >= i {
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logging.LogDebug(fmt.Sprintf("Es gibt >= i Elemente vor p=%[1]v. ==> Suche in linker Hälfte!", p))
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return FindIthSmallestDC(Ll, i)
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} else {
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logging.LogDebug(fmt.Sprintf("Es gibt < i-1 Elemente vor p=%[1]v. ==> Suche in rechter Hälfte!", p))
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i = i - (len(Ll) + 1)
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return FindIthSmallestDC(Lr, i)
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}
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}
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@ -0,0 +1,139 @@
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package ith_element
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/* ---------------------------------------------------------------- *
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* IMPORTS
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* ---------------------------------------------------------------- */
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|
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import (
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"fmt"
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"sort"
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|
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"ads/internal/core/metrics"
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"ads/internal/core/utils"
|
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"ads/internal/setup"
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)
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|
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/* ---------------------------------------------------------------- *
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||||
* GLOBAL VARIABLES/CONSTANTS
|
||||
* ---------------------------------------------------------------- */
|
||||
|
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//
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* CHECKS
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
func preChecks(L []int, i int, _ ...interface{}) error {
|
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if !(1 <= i && i <= len(L)) {
|
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return fmt.Errorf("Der Wert von i muss zw. %[1]v und %[2]v liegen.", 1, len(L))
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} else if !utils.ContainsNoDuplicatesListInt(L) {
|
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return fmt.Errorf("Ungültiger Input: L darf keine Duplikate enthalten!")
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}
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return nil
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}
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|
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func postChecks(L []int, i int, value int, _ ...interface{}) error {
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L_ := make([]int, len(L))
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copy(L_, L)
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sort.Ints(L_)
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if !(L_[i-1] == value) {
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return fmt.Errorf("Das i=%[1]v. kleinste Element ist %[2]v und nicht %[3]v.", i, L_[i-1], value)
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}
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return nil
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||||
}
|
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|
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/* ---------------------------------------------------------------- *
|
||||
* ALGORITHM find ith smallest + Display
|
||||
* ---------------------------------------------------------------- */
|
||||
|
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func FancyFindIthSmallest(input_L []int, input_i int) (int, error) {
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var name = "Auswahlproblem (i. kleinstes Element)"
|
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var inputs = map[string]interface{}{
|
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"L": input_L,
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"i": input_i,
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}
|
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var outputs map[string]interface{}
|
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var (
|
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output_value int
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)
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var err error
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|
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do_once := true
|
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for do_once {
|
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do_once = false
|
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setup.DisplayStartOfAlgorithm(name, inputs)
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metrics.RestartMetrics()
|
||||
|
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// Prechecks:
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err = preChecks(input_L, input_i)
|
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if err != nil {
|
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break
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}
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|
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// Ausführung des Algorithmus:
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output_value = FindIthSmallest(input_L, input_i)
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outputs = map[string]interface{}{
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"value": output_value,
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}
|
||||
|
||||
// Letzte Messages:
|
||||
setup.DisplayMetrics()
|
||||
setup.DisplayEndOfAlgorithm(outputs)
|
||||
|
||||
// Postchecks:
|
||||
err = postChecks(input_L, input_i, output_value)
|
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if err != nil {
|
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break
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}
|
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}
|
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|
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return output_value, err
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}
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|
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/* ---------------------------------------------------------------- *
|
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* ALGORITHM find ith smallest (D & C) + Display
|
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* ---------------------------------------------------------------- */
|
||||
|
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func FancyFindIthSmallestDC(input_L []int, input_i int) (int, error) {
|
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var name = "Auswahlproblem (i. kleinstes Element, D & C)"
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var inputs = map[string]interface{}{
|
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"L": input_L,
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"i": input_i,
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}
|
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var outputs map[string]interface{}
|
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var (
|
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output_value int
|
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)
|
||||
var err error
|
||||
|
||||
do_once := true
|
||||
for do_once {
|
||||
do_once = false
|
||||
setup.DisplayStartOfAlgorithm(name, inputs)
|
||||
metrics.RestartMetrics()
|
||||
|
||||
// Prechecks:
|
||||
err = preChecks(input_L, input_i)
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
|
||||
// Ausführung des Algorithmus:
|
||||
output_value = FindIthSmallestDC(input_L, input_i)
|
||||
outputs = map[string]interface{}{
|
||||
"value": output_value,
|
||||
}
|
||||
|
||||
// Letzte Messages:
|
||||
setup.DisplayMetrics()
|
||||
setup.DisplayEndOfAlgorithm(outputs)
|
||||
|
||||
// Postchecks:
|
||||
err = postChecks(input_L, input_i, output_value)
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
return output_value, err
|
||||
}
|
91
code/golang/internal/algorithms/search/jump/jump.go
Normal file
91
code/golang/internal/algorithms/search/jump/jump.go
Normal file
@ -0,0 +1,91 @@
|
||||
package jump
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* IMPORTS
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
|
||||
"ads/internal/algorithms/search/sequential"
|
||||
"ads/internal/core/logging"
|
||||
"ads/internal/core/metrics"
|
||||
)
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* GLOBAL VARIABLES/CONSTANTS
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
//
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* ALGORITHM jump search
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
/*
|
||||
Inputs: L = Liste von Zahlen, x = Zahl, m = lineare Sprunggröße.
|
||||
|
||||
Annahmen:
|
||||
- L sei aufsteigend sortiert.
|
||||
- L enthält keine Duplikate.
|
||||
|
||||
Outputs: Position von x in L, sonst −1 wenn x nicht in L.
|
||||
*/
|
||||
func JumpSearchLinear(L []int, x int, m int) int {
|
||||
i0 := 0
|
||||
i1 := m
|
||||
// ACHTUNG: dies ist eine while-Schleife ist golang:
|
||||
for i0 < len(L) {
|
||||
metrics.AddTimeCost()
|
||||
block := L[i0:i1]
|
||||
elementAfterBlock := block[len(block)-1] + 1
|
||||
if x < elementAfterBlock {
|
||||
logging.LogDebug(fmt.Sprintf("Element muss sich im Block [%[1]v, %[2]v) befinden.", i0, i1))
|
||||
index := sequential.SequentialSearch(block, x)
|
||||
if index >= 0 {
|
||||
index += i0 // NOTE: muss wegen Offset kompensieren
|
||||
}
|
||||
return index
|
||||
}
|
||||
logging.LogDebug(fmt.Sprintf("Element befindet sich nicht im Block [%[1]v, %[2]v).", i0, i1))
|
||||
i0 = i1
|
||||
i1 += m
|
||||
}
|
||||
return -1
|
||||
}
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* ALGORITHM jump search - exponentiell
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
/*
|
||||
Inputs: L = Liste von Zahlen, x = Zahl.
|
||||
|
||||
Annahmen:
|
||||
- L sei aufsteigend sortiert.
|
||||
- L enthält keine Duplikate.
|
||||
|
||||
Outputs: Position von x in L, sonst −1 wenn x nicht in L.
|
||||
*/
|
||||
func JumpSearchExponentiell(L []int, x int) int {
|
||||
i0 := 0
|
||||
i1 := 1
|
||||
// ACHTUNG: dies ist eine while-Schleife ist golang:
|
||||
for i0 < len(L) {
|
||||
metrics.AddTimeCost()
|
||||
block := L[i0:i1]
|
||||
elementAfterBlock := block[len(block)-1] + 1
|
||||
if x < elementAfterBlock {
|
||||
logging.LogDebug(fmt.Sprintf("Element muss sich im Block [%[1]v, %[2]v) befinden.", i0, i1))
|
||||
index := sequential.SequentialSearch(block, x)
|
||||
if index >= 0 {
|
||||
index += i0 // NOTE: muss wegen Offset kompensieren
|
||||
}
|
||||
return index
|
||||
}
|
||||
logging.LogDebug(fmt.Sprintf("Element befindet sich nicht im Block [%[1]v, %[2]v).", i0, i1))
|
||||
i0 = i1
|
||||
i1 *= 2
|
||||
}
|
||||
return -1
|
||||
}
|
143
code/golang/internal/algorithms/search/jump/jump_fancy.go
Normal file
143
code/golang/internal/algorithms/search/jump/jump_fancy.go
Normal file
@ -0,0 +1,143 @@
|
||||
package jump
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* IMPORTS
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
|
||||
"ads/internal/core/metrics"
|
||||
"ads/internal/core/utils"
|
||||
"ads/internal/setup"
|
||||
)
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* GLOBAL VARIABLES/CONSTANTS
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
//
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* CHECKS
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
func preChecks(L []int, _ ...interface{}) error {
|
||||
if !utils.IsSortedListInt(L) {
|
||||
return fmt.Errorf("Ungültiger Input: L muss aufsteigend sortiert sein!")
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func postChecks(L []int, x int, index int, _ ...interface{}) error {
|
||||
if utils.ArrayContains(L, x) {
|
||||
if !(index >= 0) {
|
||||
return fmt.Errorf("Der Algorithmus sollte nicht -1 zurückgeben.")
|
||||
}
|
||||
if L[index] != x {
|
||||
return fmt.Errorf("Der Algorithmus hat den falschen Index bestimmt.")
|
||||
}
|
||||
} else {
|
||||
if index != -1 {
|
||||
return fmt.Errorf("Der Algorithmus sollte -1 zurückgeben.")
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* ALGORITHM jump search + Display
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
func FancyJumpSearchLinear(input_L []int, input_x int, input_m int) (int, error) {
|
||||
var name = "Sprungsuche"
|
||||
var inputs = map[string]interface{}{
|
||||
"L": input_L,
|
||||
"x": input_x,
|
||||
"m": input_m,
|
||||
}
|
||||
var outputs map[string]interface{}
|
||||
var (
|
||||
output_index int
|
||||
)
|
||||
var err error
|
||||
|
||||
do_once := true
|
||||
for do_once {
|
||||
do_once = false
|
||||
setup.DisplayStartOfAlgorithm(name, inputs)
|
||||
metrics.RestartMetrics()
|
||||
|
||||
// Prechecks:
|
||||
err = preChecks(input_L, input_x, input_m)
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
|
||||
// Ausführung des Algorithmus:
|
||||
output_index = JumpSearchLinear(input_L, input_x, input_m)
|
||||
outputs = map[string]interface{}{
|
||||
"index": output_index,
|
||||
}
|
||||
|
||||
// Letzte Messages:
|
||||
setup.DisplayMetrics()
|
||||
setup.DisplayEndOfAlgorithm(outputs)
|
||||
|
||||
// Postchecks:
|
||||
err = postChecks(input_L, input_x, output_index)
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
return output_index, err
|
||||
}
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* ALGORITHM jump search - exponentiell + Display
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
func FancyJumpSearchExponentiell(input_L []int, input_x int) (int, error) {
|
||||
var name = "Sprungsuche (exponentiell)"
|
||||
var inputs = map[string]interface{}{
|
||||
"L": input_L,
|
||||
"x": input_x,
|
||||
}
|
||||
var outputs map[string]interface{}
|
||||
var (
|
||||
output_index int
|
||||
)
|
||||
var err error
|
||||
|
||||
do_once := true
|
||||
for do_once {
|
||||
do_once = false
|
||||
setup.DisplayStartOfAlgorithm(name, inputs)
|
||||
metrics.RestartMetrics()
|
||||
|
||||
// Prechecks:
|
||||
err = preChecks(input_L, input_x)
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
|
||||
// Ausführung des Algorithmus:
|
||||
output_index = JumpSearchExponentiell(input_L, input_x)
|
||||
outputs = map[string]interface{}{
|
||||
"index": output_index,
|
||||
}
|
||||
|
||||
// Letzte Messages:
|
||||
setup.DisplayMetrics()
|
||||
setup.DisplayEndOfAlgorithm(outputs)
|
||||
|
||||
// Postchecks:
|
||||
err = postChecks(input_L, input_x, output_index)
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
return output_index, err
|
||||
}
|
173
code/golang/internal/algorithms/search/poison/poison.go
Normal file
173
code/golang/internal/algorithms/search/poison/poison.go
Normal file
@ -0,0 +1,173 @@
|
||||
package poison
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* IMPORTS
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
|
||||
"ads/internal/core/logging"
|
||||
"ads/internal/core/metrics"
|
||||
"ads/internal/core/utils"
|
||||
)
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* GLOBAL VARIABLES/CONSTANTS
|
||||
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
|
||||
|
||||
//
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* ALGORITHM find poison
|
||||
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
|
||||
|
||||
/*
|
||||
Inputs: L = Liste von Getränken: durch boolesche Werte wird dargestellt, ob ein Getränk vergiftet ist.
|
||||
|
||||
Annahme: Genau ein Getränk sei vergiftet.
|
||||
|
||||
Outputs: Der Index des vergifteten Getränks, falls es eines gibt, ansonsten -1.
|
||||
|
||||
NOTE: Zeitkosten hier messen nur die Anzahl der Vorkoster.
|
||||
*/
|
||||
func FindPoison(L []int) int {
|
||||
logging.LogDebug("Bereite Vorkoster vor")
|
||||
n := len(L)
|
||||
testers := [][]int{}
|
||||
for i := 0; i < n; i++ {
|
||||
metrics.AddSpaceCost()
|
||||
logging.LogDebug(fmt.Sprintf("Füge Vorkoster hinzu, der nur Getränk %[1]v testet.", i))
|
||||
testers = append(testers, []int{i})
|
||||
}
|
||||
logging.LogDebug("Warte auf Effekte")
|
||||
effects := waitForEffects(L, testers)
|
||||
logging.LogDebug("Effekte auswerten, um vergiftete Getränke zu lokalisieren.")
|
||||
poisened := evaluateEffects(testers, effects)
|
||||
if len(poisened) > 0 {
|
||||
return poisened[0]
|
||||
}
|
||||
return -1
|
||||
}
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* ALGORITHM find poison fast
|
||||
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
|
||||
|
||||
/*
|
||||
Inputs: L = Liste von Getränken: durch boolesche Werte wird dargestellt, ob ein Getränk vergiftet ist.
|
||||
|
||||
Annahme: Genau ein Getränk sei vergiftet.
|
||||
|
||||
Outputs: Der Index des vergifteten Getränks, falls es eines gibt, ansonsten -1.
|
||||
|
||||
NOTE: Zeitkosten hier messen nur die Anzahl der Vorkoster.
|
||||
*/
|
||||
func FindPoisonFast(L []int) int {
|
||||
logging.LogDebug("Bereite Vorkoster vor")
|
||||
n := len(L)
|
||||
p := utils.LengthOfBinary(n)
|
||||
testers := [][]int{}
|
||||
// Für jedes Bit i=0 bis p-1 ...
|
||||
for i := 0; i < p; i++ {
|
||||
tester0 := []int{}
|
||||
tester1 := []int{}
|
||||
for k := 0; k < n; k++ {
|
||||
if utils.NthBit(k, i) == 0 {
|
||||
tester0 = append(tester0, k)
|
||||
} else {
|
||||
tester1 = append(tester1, k)
|
||||
}
|
||||
}
|
||||
/*
|
||||
* NOTE: tester1 ist virtuell: aus den Effekten auf tester0 und den Annahmen
|
||||
* lassen sich die Effekte auf tester0 erschließen.
|
||||
* Darum zählen wir nicht 2 sondern 1 Vorkoster.
|
||||
*/
|
||||
metrics.AddSpaceCost(1)
|
||||
logging.LogDebug(fmt.Sprintf("Füge Vorkoster hinzu, der alle Getränke k testet mit %[1]v. Bit von k = 0.", i))
|
||||
testers = append(testers, tester0)
|
||||
testers = append(testers, tester1)
|
||||
}
|
||||
logging.LogDebug("Warte auf Effekte")
|
||||
effects := waitForEffects(L, testers)
|
||||
logging.LogDebug("Effekte auswerten, um vergiftete Getränke zu lokalisieren.")
|
||||
poisened := evaluateEffects(testers, effects)
|
||||
if len(poisened) > 0 {
|
||||
return poisened[0]
|
||||
}
|
||||
return -1
|
||||
}
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* AUXILIARY METHOD wait for effects, evaluate effects
|
||||
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
|
||||
|
||||
/*
|
||||
Inputs:
|
||||
|
||||
- L = Liste von Getränken: durch boolesche Werte wird dargestellt, ob ein Getränk vergiftet ist.
|
||||
|
||||
- testers = Liste von Vorkostern. Jeder Vorkoster kostet eine 'Teilliste' der Getränke.
|
||||
|
||||
Outputs: effects = eine Liste, die jedem Vorkoster zuordnet, wie viele vergiftete Getränke er konsumiert hat.
|
||||
*/
|
||||
func waitForEffects(L []int, testers [][]int) []int {
|
||||
m := len(testers)
|
||||
effects := make([]int, m)
|
||||
for i, tester := range testers {
|
||||
effect := 0
|
||||
for _, k := range tester {
|
||||
effect += L[k]
|
||||
}
|
||||
effects[i] = effect
|
||||
}
|
||||
return effects
|
||||
}
|
||||
|
||||
/*
|
||||
Inputs:
|
||||
|
||||
- testers = Liste von Vorkostern. Jeder Vorkoster kostet eine 'Teilliste' der Getränke.
|
||||
|
||||
- effects = eine Liste, die jedem Vorkoster zuordnet, wie viele vergiftete Getränke er konsumiert hat.
|
||||
|
||||
Annahmen: Vorkoster wurden so angewiesen, dass es garantiert ist, vergiftete Getränke zu finden, wenn es die gibt.
|
||||
|
||||
Outputs: Liste der Indexes aller vergifteten Getränke.
|
||||
*/
|
||||
func evaluateEffects(testers [][]int, effects []int) []int {
|
||||
var states = map[int]bool{}
|
||||
var poisened = []int{}
|
||||
|
||||
// Werte Effekte aus, um Gift zu lokalisieren:
|
||||
// Zuerst die Indexes der Getränke bei allen vergifteten Tester zusammenführen:
|
||||
for i, tester := range testers {
|
||||
// wenn Tester positiv testet, dann ist eines der von ihm probierten Getränks vergiftet
|
||||
if effects[i] > 0 {
|
||||
// markiere alle vom Tester probierten Getränke
|
||||
for _, k := range tester {
|
||||
states[k] = true
|
||||
}
|
||||
}
|
||||
}
|
||||
// jetzt eliminieren wir alle Getränke, die von nicht vergifteten Testern konsumiert wurden:
|
||||
for i, tester := range testers {
|
||||
// wenn Tester negativ testet, dann ist KEINES der von ihm probierten Getränks vergiftet
|
||||
if effects[i] == 0 {
|
||||
// schließe alle vom Tester probierten Getränke aus
|
||||
for _, k := range tester {
|
||||
states[k] = false
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// was übrig bleibt sind die vergifteten Getränke, vorausgesetzt genug Vorkoster wurden ausgewählt
|
||||
for k, state := range states {
|
||||
if state {
|
||||
poisened = append(poisened, k)
|
||||
}
|
||||
}
|
||||
|
||||
return poisened
|
||||
}
|
136
code/golang/internal/algorithms/search/poison/poison_fancy.go
Normal file
136
code/golang/internal/algorithms/search/poison/poison_fancy.go
Normal file
@ -0,0 +1,136 @@
|
||||
package poison
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* IMPORTS
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
|
||||
"ads/internal/core/metrics"
|
||||
"ads/internal/core/utils"
|
||||
"ads/internal/setup"
|
||||
)
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* GLOBAL VARIABLES/CONSTANTS
|
||||
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
|
||||
|
||||
//
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* CHECKS
|
||||
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
|
||||
|
||||
func preChecks(L []int, _ ...interface{}) error {
|
||||
s := utils.SumListInt(L)
|
||||
if !(s > 0) {
|
||||
return fmt.Errorf("Mindestens ein Getränk muss vergiftet sein!")
|
||||
} else if !(s <= 1) {
|
||||
return fmt.Errorf("Höchstens ein Getränk darf vergiftet sein!")
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func postChecks(L []int, index int, _ ...interface{}) error {
|
||||
if !(index >= 0) {
|
||||
return fmt.Errorf("Der Algorithmus hat kein vergiftetes Getränk gefunden, obwohl per Annahme eines existiert.")
|
||||
} else if !(L[index] > 0) {
|
||||
return fmt.Errorf("Der Algorithmus hat das vergiftete Getränk nicht erfolgreich bestimmt.")
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* ALGORITHM find poison + Display
|
||||
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
|
||||
|
||||
func FancyFindPoison(input_L []int) (int, error) {
|
||||
var name = "Giftsuche (O(n) Vorkoster)"
|
||||
var inputs = map[string]interface{}{
|
||||
"L": input_L,
|
||||
}
|
||||
var outputs map[string]interface{}
|
||||
var (
|
||||
output_index int
|
||||
)
|
||||
var err error
|
||||
|
||||
do_once := true
|
||||
for do_once {
|
||||
do_once = false
|
||||
setup.DisplayStartOfAlgorithm(name, inputs)
|
||||
metrics.RestartMetrics()
|
||||
|
||||
// Prechecks:
|
||||
err = preChecks(input_L)
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
|
||||
// Ausführung des Algorithmus:
|
||||
output_index = FindPoison(input_L)
|
||||
outputs = map[string]interface{}{
|
||||
"index": output_index,
|
||||
}
|
||||
|
||||
// Letzte Messages:
|
||||
setup.DisplayMetrics()
|
||||
setup.DisplayEndOfAlgorithm(outputs)
|
||||
|
||||
// Postchecks:
|
||||
err = postChecks(input_L, output_index)
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
return output_index, err
|
||||
}
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* ALGORITHM find poison fast + Display
|
||||
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
|
||||
|
||||
func FancyFindPoisonFast(input_L []int) (int, error) {
|
||||
var name = "Giftsuche (O(log(n)) Vorkoster)"
|
||||
var inputs = map[string]interface{}{
|
||||
"L": input_L,
|
||||
}
|
||||
var outputs map[string]interface{}
|
||||
var (
|
||||
output_index int
|
||||
)
|
||||
var err error
|
||||
|
||||
do_once := true
|
||||
for do_once {
|
||||
do_once = false
|
||||
setup.DisplayStartOfAlgorithm(name, inputs)
|
||||
metrics.RestartMetrics()
|
||||
|
||||
// Prechecks:
|
||||
err = preChecks(input_L)
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
|
||||
// Ausführung des Algorithmus:
|
||||
output_index = FindPoisonFast(input_L)
|
||||
outputs = map[string]interface{}{
|
||||
"index": output_index,
|
||||
}
|
||||
|
||||
// Letzte Messages:
|
||||
setup.DisplayMetrics()
|
||||
setup.DisplayEndOfAlgorithm(outputs)
|
||||
|
||||
// Postchecks:
|
||||
err = postChecks(input_L, output_index)
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
return output_index, err
|
||||
}
|
@ -0,0 +1,39 @@
|
||||
package sequential
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* IMPORTS
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
|
||||
"ads/internal/core/logging"
|
||||
"ads/internal/core/metrics"
|
||||
)
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* GLOBAL VARIABLES/CONSTANTS
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
//
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* ALGORITHM sequential search
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
/*
|
||||
Inputs: L = Liste von Zahlen, x = Zahl.
|
||||
Outputs: Position von x in L, sonst −1 wenn x nicht in L.
|
||||
*/
|
||||
func SequentialSearch(L []int, x int) int {
|
||||
n := len(L)
|
||||
for i := 0; i < n; i++ {
|
||||
metrics.AddTimeCost()
|
||||
if L[i] == x {
|
||||
logging.LogDebug(fmt.Sprintf("Element in Position %[1]v gefunden.", i))
|
||||
return i
|
||||
}
|
||||
logging.LogDebug(fmt.Sprintf("Element nicht in Position %[1]v.", i))
|
||||
}
|
||||
return -1
|
||||
}
|
@ -0,0 +1,92 @@
|
||||
package sequential
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* IMPORTS
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
|
||||
"ads/internal/core/metrics"
|
||||
"ads/internal/core/utils"
|
||||
"ads/internal/setup"
|
||||
)
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* GLOBAL VARIABLES/CONSTANTS
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
//
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* CHECKS
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
func preChecks(L []int, _ ...interface{}) error {
|
||||
// Keine Checks!
|
||||
return nil
|
||||
}
|
||||
|
||||
func postChecks(L []int, x int, index int, _ ...interface{}) error {
|
||||
if utils.ArrayContains(L, x) {
|
||||
if !(index >= 0) {
|
||||
return fmt.Errorf("Der Algorithmus sollte nicht -1 zurückgeben.")
|
||||
}
|
||||
if L[index] != x {
|
||||
return fmt.Errorf("Der Algorithmus hat den falschen Index bestimmt.")
|
||||
}
|
||||
} else {
|
||||
if index != -1 {
|
||||
return fmt.Errorf("Der Algorithmus sollte -1 zurückgeben.")
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* METHOD sequential search + Display
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
func FancySequentialSearch(input_L []int, input_x int) (int, error) {
|
||||
var name = "Sequenziellsuchalgorithmus"
|
||||
var inputs = map[string]interface{}{
|
||||
"L": input_L,
|
||||
"x": input_x,
|
||||
}
|
||||
var outputs map[string]interface{}
|
||||
var (
|
||||
output_index int
|
||||
)
|
||||
var err error
|
||||
|
||||
do_once := true
|
||||
for do_once {
|
||||
do_once = false
|
||||
setup.DisplayStartOfAlgorithm(name, inputs)
|
||||
metrics.RestartMetrics()
|
||||
|
||||
// Prechecks:
|
||||
err = preChecks(input_L, input_x)
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
|
||||
// Ausführung des Algorithmus:
|
||||
output_index = SequentialSearch(input_L, input_x)
|
||||
outputs = map[string]interface{}{
|
||||
"index": output_index,
|
||||
}
|
||||
|
||||
// Letzte Messages:
|
||||
setup.DisplayMetrics()
|
||||
setup.DisplayEndOfAlgorithm(outputs)
|
||||
|
||||
// Postchecks:
|
||||
err = postChecks(input_L, input_x, output_index)
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
return output_index, err
|
||||
}
|
169
code/golang/internal/algorithms/sum/maxsubsum/maxsubsum.go
Normal file
169
code/golang/internal/algorithms/sum/maxsubsum/maxsubsum.go
Normal file
@ -0,0 +1,169 @@
|
||||
package maxsubsum
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* IMPORTS
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
|
||||
"ads/internal/core/logging"
|
||||
"ads/internal/core/metrics"
|
||||
"ads/internal/core/utils"
|
||||
)
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* GLOBAL VARIABLES/CONSTANTS
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
//
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* ALGORITHM max sub sum
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
/*
|
||||
Inputs: L = Liste von Zahlen
|
||||
|
||||
Outputs:
|
||||
|
||||
- maxSum = Wert der maximalen Summe einer Teilliste aufeinanderfolgender Elemente
|
||||
|
||||
- u, v = Indexes so dass die Teilliste [L[u], L[u+1], ..., L[v]] die maximale Summe aufweist
|
||||
*/
|
||||
func MaxSubSum(L []int) (int, int, int) {
|
||||
maxSum := 0
|
||||
u := 0
|
||||
v := -1
|
||||
for i := 0; i < len(L); i++ {
|
||||
// Bestimme maximale Teilsumme der linken Rände der Liste ab Index i {
|
||||
maxSum_, _, k := lRandSum(L[i:])
|
||||
if maxSum_ > maxSum {
|
||||
k += i // NOTE: muss wegen Offset kompensieren
|
||||
maxSum, u, v = maxSum_, i, k
|
||||
logging.LogDebug(fmt.Sprintf("max Teilsumme aktualisiert: Summe L[i] von i=%[1]v .. %[2]v = %[3]v", u, v, maxSum))
|
||||
}
|
||||
}
|
||||
return maxSum, u, v
|
||||
}
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* ALGORITHM max sub sum (D & C)
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
/*
|
||||
Inputs: L = Liste von Zahlen
|
||||
|
||||
Outputs:
|
||||
|
||||
- maxSum = Wert der maximalen Summe einer Teilliste aufeinanderfolgender Elemente
|
||||
|
||||
- u, v = Indexes so dass die Teilliste [L[u], L[u+1], ..., L[v]] die maximale Summe aufweist
|
||||
*/
|
||||
func MaxSubSumDC(L []int) (int, int, int) {
|
||||
maxSum := 0
|
||||
u := 0
|
||||
v := -1
|
||||
if len(L) == 1 {
|
||||
// wenn Liste aus 1 Element besteht, nicht teilen:
|
||||
if L[0] > maxSum {
|
||||
v = 0
|
||||
maxSum = L[0]
|
||||
}
|
||||
} else {
|
||||
u = utils.Ceil(float64(len(L)) / 2)
|
||||
Ll := L[:u]
|
||||
Lr := L[u:]
|
||||
// berechnet maximale Teilsumme der linken Hälfte:
|
||||
maxSum1, u1, v1 := MaxSubSumDC(Ll)
|
||||
// berechnet maximale Teilsumme der rechten Hälfte:
|
||||
maxSum2, u2, v2 := MaxSubSumDC(Lr)
|
||||
u2, v2 = u2+len(Ll), v2+len(Ll) // offsets kompensieren
|
||||
// berechnet maximale Teilsumme mit Überschneidung zw. den Hälften:
|
||||
maxSum3, u3, v3 := lrRandSum(Ll, Lr)
|
||||
// bestimme Maximum der 3 Möglichkeiten:
|
||||
maxSum = utils.MaxInt(maxSum1, maxSum2, maxSum3)
|
||||
if maxSum == maxSum1 {
|
||||
maxSum, u, v = maxSum1, u1, v1
|
||||
logging.LogDebug(fmt.Sprintf("max Teilsumme kommt in linker Partition vor: Summe L[i] von i=%[1]v .. %[2]v = %[3]v", u, v, maxSum))
|
||||
} else if maxSum == maxSum3 {
|
||||
maxSum, u, v = maxSum3, u3, v3
|
||||
logging.LogDebug(fmt.Sprintf("max Teilsumme kommt in Überschneidung vor: Summe L[i] von i=%[1]v .. %[2]v = %[3]v", u, v, maxSum))
|
||||
} else { // } else if maxSum == maxSum2 {
|
||||
maxSum, u, v = maxSum2, u2, v2
|
||||
logging.LogDebug(fmt.Sprintf("max Teilsumme kommt in rechter Partition vor: Summe L[i] von i=%[1]v .. %[2]v = %[3]v", u, v, maxSum))
|
||||
}
|
||||
}
|
||||
return maxSum, u, v
|
||||
}
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* AUXILIARY METHODS
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
/*
|
||||
Bestimmt maximale Teilsumme einer Teiliste einer Liste,
|
||||
wobei die Liste in zwei Intervalle partitioniert ist
|
||||
und die Teilliste beide überschneidet.
|
||||
|
||||
Inputs: Ll, Lr = eine Partition einer Liste von Zahlen in zwei Intervalle
|
||||
|
||||
Outputs: maxSum, u=0, v
|
||||
*/
|
||||
func lrRandSum(Ll []int, Lr []int) (int, int, int) {
|
||||
maxSumL, u, _ := rRandSum(Ll)
|
||||
maxSumR, _, v := lRandSum(Lr)
|
||||
maxSum := maxSumL + maxSumR
|
||||
v += len(Ll) // offsets kompensieren
|
||||
return maxSum, u, v
|
||||
}
|
||||
|
||||
/*
|
||||
Bestimmt maximale Teilsumme aller nicht leeren linken Segmente einer Liste.
|
||||
|
||||
Inputs: L = Liste von Zahlen
|
||||
|
||||
Outputs: maxSum, u(=0), v
|
||||
*/
|
||||
func lRandSum(L []int) (int, int, int) {
|
||||
n := len(L)
|
||||
// berechne kumulative Summen (vorwärts)
|
||||
metrics.AddTimeCost(n)
|
||||
total := L[0]
|
||||
maxSum := total
|
||||
u := 0
|
||||
v := 0
|
||||
for i := 0; i < n; i++ {
|
||||
total += L[i]
|
||||
if total > maxSum {
|
||||
v = i
|
||||
maxSum = total
|
||||
}
|
||||
}
|
||||
return maxSum, u, v
|
||||
}
|
||||
|
||||
/*
|
||||
Bestimmt maximale Teilsumme aller nicht leeren rechten Segmente einer Liste.
|
||||
|
||||
Inputs: L = Liste von Zahlen
|
||||
|
||||
Outputs: maxSum, u, v(=len(L)-1)
|
||||
*/
|
||||
func rRandSum(L []int) (int, int, int) {
|
||||
n := len(L)
|
||||
// berechne kumulative Summen (rückwärts)
|
||||
metrics.AddTimeCost(n)
|
||||
total := L[n-1]
|
||||
maxSum := total
|
||||
u := n - 1
|
||||
v := n - 1
|
||||
for i := n - 2; i >= 0; i-- {
|
||||
total += L[i]
|
||||
if total > maxSum {
|
||||
u = i
|
||||
maxSum = total
|
||||
}
|
||||
}
|
||||
return maxSum, u, v
|
||||
}
|
136
code/golang/internal/algorithms/sum/maxsubsum/maxsubsum_fancy.go
Normal file
136
code/golang/internal/algorithms/sum/maxsubsum/maxsubsum_fancy.go
Normal file
@ -0,0 +1,136 @@
|
||||
package maxsubsum
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
|
||||
"ads/internal/core/metrics"
|
||||
"ads/internal/setup"
|
||||
)
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* IMPORTS
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* GLOBAL VARIABLES/CONSTANTS
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
//
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* CHECKS
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
func preChecks(L []int, _ ...interface{}) error {
|
||||
if !(len(L) > 0) {
|
||||
return fmt.Errorf("Liste darf nicht leer sein.")
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func postChecks(L []int, _ ...interface{}) error {
|
||||
// TODO
|
||||
return nil
|
||||
}
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* METHOD Algorithm + Display
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
func FancyMaxSubSum(input_L []int) (int, int, int, error) {
|
||||
var name = "MaxSubSum (Maximale Teilsumme)"
|
||||
var inputs = map[string]interface{}{
|
||||
"L": input_L,
|
||||
}
|
||||
var outputs map[string]interface{}
|
||||
var (
|
||||
output_maxSum int
|
||||
output_indexFrom int
|
||||
output_indexTo int
|
||||
)
|
||||
var err error
|
||||
|
||||
do_once := true
|
||||
for do_once {
|
||||
do_once = false
|
||||
setup.DisplayStartOfAlgorithm(name, inputs)
|
||||
metrics.RestartMetrics()
|
||||
|
||||
// Prechecks:
|
||||
err = preChecks(input_L)
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
|
||||
// Ausführung des Algorithmus:
|
||||
output_maxSum, output_indexFrom, output_indexTo = MaxSubSum(input_L)
|
||||
outputs = map[string]interface{}{
|
||||
"maxSum": output_maxSum,
|
||||
"index_from": output_indexFrom,
|
||||
"index_to": output_indexTo,
|
||||
}
|
||||
|
||||
// Letzte Messages:
|
||||
setup.DisplayMetrics()
|
||||
setup.DisplayEndOfAlgorithm(outputs)
|
||||
|
||||
// Postchecks:
|
||||
err = postChecks(input_L, output_maxSum, output_indexFrom, output_indexTo)
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
return output_maxSum, output_indexFrom, output_indexTo, err
|
||||
}
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* ALGORITHM max sub sum (D & C)
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
func FancyMaxSubSumDC(input_L []int) (int, int, int, error) {
|
||||
var name = "MaxSubSum (Maximale Teilsumme mit D & C)"
|
||||
var inputs = map[string]interface{}{
|
||||
"L": input_L,
|
||||
}
|
||||
var outputs map[string]interface{}
|
||||
var (
|
||||
output_maxSum int
|
||||
output_indexFrom int
|
||||
output_indexTo int
|
||||
)
|
||||
var err error
|
||||
|
||||
do_once := true
|
||||
for do_once {
|
||||
do_once = false
|
||||
setup.DisplayStartOfAlgorithm(name, inputs)
|
||||
metrics.RestartMetrics()
|
||||
|
||||
// Prechecks:
|
||||
err = preChecks(input_L)
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
|
||||
// Ausführung des Algorithmus:
|
||||
output_maxSum, output_indexFrom, output_indexTo = MaxSubSumDC(input_L)
|
||||
outputs = map[string]interface{}{
|
||||
"maxSum": output_maxSum,
|
||||
"index_from": output_indexFrom,
|
||||
"index_to": output_indexTo,
|
||||
}
|
||||
|
||||
// Letzte Messages:
|
||||
setup.DisplayMetrics()
|
||||
setup.DisplayEndOfAlgorithm(outputs)
|
||||
|
||||
// Postchecks:
|
||||
err = postChecks(input_L, output_maxSum, output_indexFrom, output_indexTo)
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
return output_maxSum, output_indexFrom, output_indexTo, err
|
||||
}
|
50
code/golang/internal/core/metrics/metrics.go
Normal file
50
code/golang/internal/core/metrics/metrics.go
Normal file
@ -0,0 +1,50 @@
|
||||
package metrics
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* IMPORTS
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
import (
|
||||
"time"
|
||||
|
||||
"ads/internal/types"
|
||||
)
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* GLOBAL VARIABLES/CONSTANTS
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
var _ctr_time = types.NewCounter()
|
||||
var _ctr_space = types.NewCounter()
|
||||
var _tmr = types.NewTimer()
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* METHODS
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
func RestartMetrics() {
|
||||
_tmr.Reset()
|
||||
_ctr_time.Reset()
|
||||
_ctr_space.Reset()
|
||||
}
|
||||
|
||||
func AddTimeCost(options ...int) {
|
||||
_ctr_time.Add(options...)
|
||||
}
|
||||
|
||||
func AddSpaceCost(options ...int) {
|
||||
_ctr_space.Add(options...)
|
||||
}
|
||||
|
||||
func GetTimeCost() int {
|
||||
return _ctr_time.Size()
|
||||
}
|
||||
|
||||
func GetSpaceCost() int {
|
||||
return _ctr_space.Size()
|
||||
}
|
||||
|
||||
func GetTimeElapsed() time.Duration {
|
||||
_tmr.Stop()
|
||||
return _tmr.ElapsedTime()
|
||||
}
|
@ -24,26 +24,41 @@ func ArrayContains(x interface{}, elem interface{}) bool {
|
||||
return false
|
||||
}
|
||||
|
||||
// func ListComprehension(x interface{}, cond (interface{}) bool) bool {
|
||||
// xAsArray := reflect.ValueOf(x)
|
||||
// if xAsArray.Kind() == reflect.Slice {
|
||||
// for i := 0; i < xAsArray.Len(); i++ {
|
||||
// if xAsArray.Index(i).Interface() == elem {
|
||||
// return true
|
||||
// }
|
||||
// }
|
||||
// }
|
||||
// return false
|
||||
// }
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* METHOD array contains
|
||||
* METHOD sort
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
func UniqueListOfStrings(X []string) []string {
|
||||
func IsSortedListInt(X []int) bool {
|
||||
n := len(X)
|
||||
for i, x := range X {
|
||||
for j := i + 1; j < n; j++ {
|
||||
if X[j] < x {
|
||||
return false
|
||||
}
|
||||
}
|
||||
}
|
||||
return true
|
||||
}
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* METHOD insert, pop
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
func PopIndexListInt(X []int, index int) []int {
|
||||
// NOTE: aus irgendeinem Grund reicht es nicht aus mit X zu arbeiten, denn sonst die u. s. Zeile überschreibt X
|
||||
X_ := make([]int, len(X))
|
||||
copy(X_, X)
|
||||
return append(X_[:index], X_[(index+1):]...)
|
||||
}
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* METHOD unique
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
func UniqueListInt(X []int) []int {
|
||||
var ok bool
|
||||
m := map[string]bool{}
|
||||
X_unique := []string{}
|
||||
m := map[int]bool{}
|
||||
X_unique := []int{}
|
||||
for _, x := range X {
|
||||
if _, ok = m[x]; !ok {
|
||||
X_unique = append(X_unique, x)
|
||||
@ -52,6 +67,10 @@ func UniqueListOfStrings(X []string) []string {
|
||||
return X_unique
|
||||
}
|
||||
|
||||
func ContainsNoDuplicatesListInt(X []int) bool {
|
||||
return len(X) <= len(UniqueListInt(X))
|
||||
}
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* METHOD get value from array of unknown length
|
||||
* ---------------------------------------------------------------- */
|
||||
|
147
code/golang/internal/core/utils/utils_maths.go
Normal file
147
code/golang/internal/core/utils/utils_maths.go
Normal file
@ -0,0 +1,147 @@
|
||||
package utils
|
||||
|
||||
/*
|
||||
In Golang sind manche (basic!) mathematischen Vorgänge etwas umständlich zu implementieren.
|
||||
Wir wollen diese Methoden komplett einhüllen, damit wir von ihrer Komplexität
|
||||
in den Algorithmen nicht abgelenkt werden.
|
||||
*/
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* IMPORTS
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"math"
|
||||
"strconv"
|
||||
)
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* METHOD floor, ceil
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
func Floor(x float64) int {
|
||||
return int(math.Floor(x))
|
||||
}
|
||||
|
||||
func Ceil(x float64) int {
|
||||
return int(math.Ceil(x))
|
||||
}
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* METHOD max, min
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
func MinInt(x int, y ...int) int {
|
||||
if len(y) == 0 {
|
||||
return x
|
||||
} else if x < y[0] {
|
||||
return MinInt(x, y[1:]...)
|
||||
} else {
|
||||
return MinInt(y[0], y[1:]...)
|
||||
}
|
||||
}
|
||||
|
||||
func MaxInt(x int, y ...int) int {
|
||||
if len(y) == 0 {
|
||||
return x
|
||||
} else if x > y[0] {
|
||||
return MaxInt(x, y[1:]...)
|
||||
} else {
|
||||
return MaxInt(y[0], y[1:]...)
|
||||
}
|
||||
}
|
||||
|
||||
func ArgMinInt(X []int) int {
|
||||
if len(X) == 0 {
|
||||
return -1
|
||||
}
|
||||
minValue := X[0]
|
||||
index := 0
|
||||
for i, x := range X {
|
||||
if x < minValue {
|
||||
minValue = x
|
||||
index = i
|
||||
}
|
||||
}
|
||||
return index
|
||||
}
|
||||
|
||||
func ArgMaxInt(X []int) int {
|
||||
if len(X) == 0 {
|
||||
return -1
|
||||
}
|
||||
maxValue := X[0]
|
||||
index := 0
|
||||
for i, x := range X {
|
||||
if x > maxValue {
|
||||
maxValue = x
|
||||
index = i
|
||||
}
|
||||
}
|
||||
return index
|
||||
}
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* METHOD sum
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
func SumListInt(X []int) int {
|
||||
result := 0
|
||||
for _, x := range X {
|
||||
result += x
|
||||
}
|
||||
return result
|
||||
}
|
||||
|
||||
func SumListFloat(X []float64) float64 {
|
||||
result := 0.
|
||||
for _, x := range X {
|
||||
result += x
|
||||
}
|
||||
return result
|
||||
}
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* METHODS binary
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
/*
|
||||
Für eine Zahl n != 0 liefert die Länge der binären Darstellung der Zahl,
|
||||
und für n == 0 liefert 0
|
||||
*/
|
||||
func LengthOfBinary(number int) int {
|
||||
if number == 0 {
|
||||
return 0
|
||||
}
|
||||
if number < 0 {
|
||||
number = -number
|
||||
}
|
||||
number_binary := fmt.Sprintf("%b", int64(number))
|
||||
return len([]rune(number_binary))
|
||||
}
|
||||
|
||||
/*
|
||||
Für eine Zahl n != 0 liefert die Bits der binären Darstellung
|
||||
*/
|
||||
func IntToBinary(number int) []int {
|
||||
if number == 0 || number == 1 {
|
||||
return []int{number}
|
||||
}
|
||||
number_binary := fmt.Sprintf("%b", int64(number))
|
||||
runes := []rune(number_binary)
|
||||
bits := make([]int, len(runes))
|
||||
for i, rune := range runes {
|
||||
bit, _ := strconv.ParseInt(fmt.Sprintf("%c", rune), 2, 64)
|
||||
bits[len(runes)-1-i] = int(bit)
|
||||
}
|
||||
return bits
|
||||
}
|
||||
|
||||
func NthBit(number int, digit int) int {
|
||||
bits := IntToBinary(number)
|
||||
if digit < len(bits) {
|
||||
return bits[digit]
|
||||
}
|
||||
return 0
|
||||
}
|
@ -5,16 +5,148 @@ package endpoints
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
import (
|
||||
"ads/internal/core/logging"
|
||||
"ads/internal/setup"
|
||||
"ads/internal/types"
|
||||
"fmt"
|
||||
|
||||
algorithm_search_binary "ads/internal/algorithms/search/binary"
|
||||
algorithm_search_interpol "ads/internal/algorithms/search/interpol"
|
||||
algorithm_search_ith_element "ads/internal/algorithms/search/ith_element"
|
||||
algorithm_search_jump "ads/internal/algorithms/search/jump"
|
||||
algorithm_search_poison "ads/internal/algorithms/search/poison"
|
||||
algorithm_search_sequential "ads/internal/algorithms/search/sequential"
|
||||
algorithm_sum_maxsubsum "ads/internal/algorithms/sum/maxsubsum"
|
||||
"ads/internal/core/logging"
|
||||
)
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* ENDPOINT run
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
func Run(fnameConfig string) error {
|
||||
// Liest Config Datei ein und führt Algorithmen auf Fälle durch
|
||||
func Run(path string) error {
|
||||
var err error
|
||||
var err_case error
|
||||
|
||||
logging.LogPlain(setup.Logo())
|
||||
logging.LogWarn("Die Go-Implementierung ist noch unter Arbeit.")
|
||||
|
||||
// extrahiere user config
|
||||
config := setup.NewUserConfig()
|
||||
err = setup.GetUserConfig(path, &config)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
// Fälle extrahieren
|
||||
cases := []types.CaseConfig{}
|
||||
if config.Parts != nil && config.Parts.Cases != nil {
|
||||
cases = *config.Parts.Cases
|
||||
}
|
||||
for i := 0; i < len(cases); i++ {
|
||||
err_case = nil
|
||||
problem := cases[i]
|
||||
setup.DisplayStartOfCase(i, problem.Description)
|
||||
inputs := types.InputsConfig{}
|
||||
if problem.Inputs != nil {
|
||||
inputs = *problem.Inputs
|
||||
}
|
||||
if problem.Command == nil {
|
||||
err_case = fmt.Errorf("Attribute 'command:' fehlt!")
|
||||
} else {
|
||||
switch *problem.Command {
|
||||
case "algorithm-search-binary":
|
||||
L := inputs.List
|
||||
x := inputs.SearchValue
|
||||
if L != nil && x != nil {
|
||||
_, err_case = algorithm_search_binary.FancyBinarySearch(*L, *x)
|
||||
} else {
|
||||
err_case = fmt.Errorf("Fehlende Inputs für Befehl '%[1]s'.", *problem.Command)
|
||||
}
|
||||
case "algorithm-search-interpolation":
|
||||
L := inputs.List
|
||||
x := inputs.SearchValue
|
||||
if L != nil && x != nil {
|
||||
_, err_case = algorithm_search_interpol.FancyInterpolationSearch(*L, *x, 0, len(*L)-1)
|
||||
} else {
|
||||
err_case = fmt.Errorf("Fehlende Inputs für Befehl '%[1]s'.", *problem.Command)
|
||||
}
|
||||
case "algorithm-search-ith-element":
|
||||
L := inputs.List
|
||||
i := inputs.SearchRank
|
||||
if L != nil && i != nil {
|
||||
_, err_case = algorithm_search_ith_element.FancyFindIthSmallest(*L, *i)
|
||||
} else {
|
||||
err_case = fmt.Errorf("Fehlende Inputs für Befehl '%[1]s'.", *problem.Command)
|
||||
}
|
||||
case "algorithm-search-ith-element-dc":
|
||||
L := inputs.List
|
||||
i := inputs.SearchRank
|
||||
if L != nil && i != nil {
|
||||
_, err_case = algorithm_search_ith_element.FancyFindIthSmallestDC(*L, *i)
|
||||
} else {
|
||||
err_case = fmt.Errorf("Fehlende Inputs für Befehl '%[1]s'.", *problem.Command)
|
||||
}
|
||||
case "algorithm-search-jump":
|
||||
L := inputs.List
|
||||
x := inputs.SearchValue
|
||||
m := inputs.JumpSize
|
||||
if L != nil && x != nil {
|
||||
_, err_case = algorithm_search_jump.FancyJumpSearchLinear(*L, *x, *m)
|
||||
} else {
|
||||
err_case = fmt.Errorf("Fehlende Inputs für Befehl '%[1]s'.", *problem.Command)
|
||||
}
|
||||
case "algorithm-search-jump-exp":
|
||||
L := inputs.List
|
||||
x := inputs.SearchValue
|
||||
if L != nil && x != nil {
|
||||
_, err_case = algorithm_search_jump.FancyJumpSearchExponentiell(*L, *x)
|
||||
} else {
|
||||
err_case = fmt.Errorf("Fehlende Inputs für Befehl '%[1]s'.", *problem.Command)
|
||||
}
|
||||
case "algorithm-search-poison":
|
||||
L := inputs.List
|
||||
if L != nil {
|
||||
_, err_case = algorithm_search_poison.FancyFindPoison(*L)
|
||||
} else {
|
||||
err_case = fmt.Errorf("Fehlende Inputs für Befehl '%[1]s'.", *problem.Command)
|
||||
}
|
||||
case "algorithm-search-poison-fast":
|
||||
L := inputs.List
|
||||
if L != nil {
|
||||
_, err_case = algorithm_search_poison.FancyFindPoisonFast(*L)
|
||||
} else {
|
||||
err_case = fmt.Errorf("Fehlende Inputs für Befehl '%[1]s'.", *problem.Command)
|
||||
}
|
||||
case "algorithm-search-sequential":
|
||||
L := inputs.List
|
||||
x := inputs.SearchValue
|
||||
if L != nil && x != nil {
|
||||
_, err_case = algorithm_search_sequential.FancySequentialSearch(*L, *x)
|
||||
} else {
|
||||
err_case = fmt.Errorf("Fehlende Inputs für Befehl '%[1]s'.", *problem.Command)
|
||||
}
|
||||
case "algorithm-sum-maxsub":
|
||||
L := inputs.List
|
||||
if L != nil {
|
||||
_, _, _, err_case = algorithm_sum_maxsubsum.FancyMaxSubSum(*L)
|
||||
} else {
|
||||
err_case = fmt.Errorf("Fehlende Inputs für Befehl '%[1]s'.", *problem.Command)
|
||||
}
|
||||
case "algorithm-sum-maxsub-dc":
|
||||
L := inputs.List
|
||||
if L != nil {
|
||||
_, _, _, err_case = algorithm_sum_maxsubsum.FancyMaxSubSumDC(*L)
|
||||
} else {
|
||||
err_case = fmt.Errorf("Fehlende Inputs für Befehl '%[1]s'.", *problem.Command)
|
||||
}
|
||||
default:
|
||||
err_case = fmt.Errorf("Unbekannter Befehl '%[1]s'.", *problem.Command)
|
||||
}
|
||||
}
|
||||
if err_case != nil {
|
||||
logging.LogError(err_case)
|
||||
}
|
||||
}
|
||||
setup.DisplayEndOfCase()
|
||||
return nil
|
||||
}
|
||||
|
116
code/golang/internal/setup/setup_display.go
Normal file
116
code/golang/internal/setup/setup_display.go
Normal file
@ -0,0 +1,116 @@
|
||||
package setup
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* IMPORTS
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"reflect"
|
||||
"strings"
|
||||
|
||||
"ads/internal/core/logging"
|
||||
"ads/internal/core/metrics"
|
||||
)
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* METHOD display case start/end
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
func DisplayStartOfCase(index int, descr *string) {
|
||||
DisplayBar(80)
|
||||
if descr == nil || *descr == "" {
|
||||
logging.LogPlain(fmt.Sprintf("\033[92;1mCASE %[1]v\033[0m.", index))
|
||||
} else {
|
||||
logging.LogPlain(fmt.Sprintf("\033[92;1mCASE %[1]v\033[0m (\033[1;2m%[2]s\033[0m).", index, *descr))
|
||||
}
|
||||
}
|
||||
|
||||
func DisplayEndOfCase() {
|
||||
DisplayBar(80)
|
||||
return
|
||||
}
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* METHOD display value
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
func RepresentValue(value interface{}) interface{} {
|
||||
switch reflect.TypeOf(value).Kind() {
|
||||
case reflect.Ptr:
|
||||
obj := reflect.ValueOf(value)
|
||||
if obj.IsNil() {
|
||||
return fmt.Sprintf("%v", nil)
|
||||
} else {
|
||||
return fmt.Sprintf("&%v", RepresentValue(obj.Elem().Interface()))
|
||||
}
|
||||
case reflect.Slice:
|
||||
obj := reflect.ValueOf(value)
|
||||
n := obj.Len()
|
||||
values := []interface{}{}
|
||||
for i := 0; i < n; i++ {
|
||||
x := RepresentValue(obj.Index(i).Interface())
|
||||
values = append(values, x)
|
||||
}
|
||||
if n > 10 {
|
||||
values = append(append(values[:3], "..."), values[n-2:]...)
|
||||
}
|
||||
return fmt.Sprintf("%v", values)
|
||||
case reflect.Map:
|
||||
obj := reflect.ValueOf(value)
|
||||
n := obj.Len()
|
||||
iter := obj.MapRange()
|
||||
m := map[interface{}]interface{}{}
|
||||
parts := []string{}
|
||||
for iter.Next() {
|
||||
key := iter.Key().Interface()
|
||||
x := RepresentValue(iter.Value().Interface())
|
||||
m[key] = x
|
||||
parts = append(parts, fmt.Sprintf("%[1]v: %[2]v", key, x))
|
||||
}
|
||||
if n > 4 {
|
||||
parts = append(append(parts[:3], "..."), parts[n-2:]...)
|
||||
}
|
||||
return fmt.Sprintf("{%s}", strings.Join(parts, ", "))
|
||||
}
|
||||
return value
|
||||
}
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* METHOD display algorithm start/end
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
func DisplayStartOfAlgorithm(name string, inputs map[string]interface{}) {
|
||||
logging.LogPlain(fmt.Sprintf("Ausführung vom Algorithmus: \033[92;1m%[1]s\033[0m", name))
|
||||
logging.LogPlain("INPUTS")
|
||||
for varname, value := range inputs {
|
||||
logging.LogPlain(fmt.Sprintf(" - %[1]s = %[2]v", varname, RepresentValue(value)))
|
||||
}
|
||||
}
|
||||
|
||||
func DisplayEndOfAlgorithm(outputs map[string]interface{}) {
|
||||
logging.LogPlain("OUTPUTS:")
|
||||
for varname, value := range outputs {
|
||||
logging.LogPlain(fmt.Sprintf(" - %[1]s = %[2]v", varname, RepresentValue(value)))
|
||||
}
|
||||
}
|
||||
|
||||
func DisplayMetrics() {
|
||||
logging.LogPlain(fmt.Sprintf("Dauer der Ausführung: t = \033[1m%[1]v\033[0m", metrics.GetTimeElapsed()))
|
||||
logging.LogPlain(fmt.Sprintf("Kosten (Zeit): T(n) = \033[1m%[1]v\033[0m", metrics.GetTimeCost()))
|
||||
logging.LogPlain(fmt.Sprintf("Kosten (Platz): S(n) = \033[1m%[1]v\033[0m", metrics.GetSpaceCost()))
|
||||
return
|
||||
}
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* METHODS Verschiedenes
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
func DisplayBar(options ...int) {
|
||||
n := 80
|
||||
if len(options) > 0 {
|
||||
n = options[0]
|
||||
}
|
||||
logging.LogPlain(fmt.Sprintf("+%[1]s+", strings.Repeat("-", n)))
|
||||
return
|
||||
}
|
30
code/golang/internal/setup/setup_userconfig.go
Normal file
30
code/golang/internal/setup/setup_userconfig.go
Normal file
@ -0,0 +1,30 @@
|
||||
package setup
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* IMPORTS
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
import (
|
||||
"ads/internal/types"
|
||||
"io/ioutil"
|
||||
|
||||
"gopkg.in/yaml.v3"
|
||||
)
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* METHODS
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
// Erstellt eine Struktur, die die Infos aus der Config-Datei erfasst
|
||||
func NewUserConfig() types.UserConfig {
|
||||
return types.UserConfig{}
|
||||
}
|
||||
|
||||
// Extrahiert Inhalte einer YAML Config und parset dies als Struktur
|
||||
func GetUserConfig(path string, config *types.UserConfig) error {
|
||||
contents, err := ioutil.ReadFile(path)
|
||||
if err == nil {
|
||||
err = yaml.Unmarshal(contents, config)
|
||||
}
|
||||
return err
|
||||
}
|
109
code/golang/internal/types/types_basic.go
Normal file
109
code/golang/internal/types/types_basic.go
Normal file
@ -0,0 +1,109 @@
|
||||
package types
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* IMPORTS
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
import (
|
||||
"reflect"
|
||||
)
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* METHOD convert basic types to pointers
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
/****
|
||||
* NOTE: these cannot be replaced by inline variants, e.g.
|
||||
* var x string
|
||||
* var xx *string = &x
|
||||
* as then the values are tied.
|
||||
* These methods create addresses to clones of the original variables,
|
||||
* and do not coincide with the addresses of the original variables.
|
||||
****/
|
||||
|
||||
func StructToPtr(x struct{}) *struct{} {
|
||||
var value = x
|
||||
return &value
|
||||
}
|
||||
|
||||
func InterfaceToPtr(x interface{}) *interface{} {
|
||||
var value = x
|
||||
return &value
|
||||
}
|
||||
|
||||
func BoolToPtr(x bool) *bool {
|
||||
var value = x
|
||||
return &value
|
||||
}
|
||||
|
||||
func StringToPtr(x string) *string {
|
||||
var value = x
|
||||
return &value
|
||||
}
|
||||
|
||||
func IntToPtr(x int) *int {
|
||||
var value = x
|
||||
return &value
|
||||
}
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* METHOD get value from ptr with default
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
func ExpandPtrToBool(p *bool) interface{} {
|
||||
if p != nil {
|
||||
return *p
|
||||
}
|
||||
return p
|
||||
}
|
||||
|
||||
func PtrToBool(p *bool, Default bool) bool {
|
||||
if p != nil {
|
||||
return *p
|
||||
}
|
||||
return Default
|
||||
}
|
||||
|
||||
func ExpandPtrToString(p *string) interface{} {
|
||||
if p != nil {
|
||||
return *p
|
||||
}
|
||||
return p
|
||||
}
|
||||
|
||||
func PtrToString(p *string, Default string) string {
|
||||
if p != nil {
|
||||
return *p
|
||||
}
|
||||
return Default
|
||||
}
|
||||
|
||||
func ExpandPtrToInt(p *int) interface{} {
|
||||
if p != nil {
|
||||
return *p
|
||||
}
|
||||
return p
|
||||
}
|
||||
|
||||
func PtrToInt(p *int, Default int) int {
|
||||
if p != nil {
|
||||
return *p
|
||||
}
|
||||
return Default
|
||||
}
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* METHOD interface to (ptr to) array
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
func InterfaceToArray(x interface{}) *[]interface{} {
|
||||
if reflect.TypeOf(x).Kind() == reflect.Slice {
|
||||
var xSlice []interface{} = []interface{}{}
|
||||
var xConverted = reflect.ValueOf(x)
|
||||
for i := 0; i < xConverted.Len(); i++ {
|
||||
xSlice = append(xSlice, xConverted.Index(i).Interface())
|
||||
}
|
||||
return &xSlice
|
||||
}
|
||||
return nil
|
||||
}
|
52
code/golang/internal/types/types_counter.go
Normal file
52
code/golang/internal/types/types_counter.go
Normal file
@ -0,0 +1,52 @@
|
||||
package types
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* IMPORTS
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
)
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* GLOBAL VARIABLES/CONSTANTS
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
//
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* TYPE Counter
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
type Counter struct {
|
||||
nr int
|
||||
}
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* CLASS METHODS
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
func NewCounter() Counter {
|
||||
c := Counter{}
|
||||
return c
|
||||
}
|
||||
|
||||
func (self Counter) String() string {
|
||||
return fmt.Sprintf("%[1]v", self.nr)
|
||||
}
|
||||
|
||||
func (self Counter) Size() int {
|
||||
return self.nr
|
||||
}
|
||||
|
||||
func (self *Counter) Add(options ...int) {
|
||||
n := 1
|
||||
if len(options) > 0 {
|
||||
n = options[0]
|
||||
}
|
||||
self.nr += n
|
||||
}
|
||||
|
||||
func (self *Counter) Reset() {
|
||||
self.nr = 0
|
||||
}
|
66
code/golang/internal/types/types_timer.go
Normal file
66
code/golang/internal/types/types_timer.go
Normal file
@ -0,0 +1,66 @@
|
||||
package types
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* IMPORTS
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"time"
|
||||
)
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* GLOBAL VARIABLES/CONSTANTS
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
//
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* TYPE Timer
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
type Timer struct {
|
||||
time_elapsed time.Duration
|
||||
time_current time.Time
|
||||
}
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* CLASS METHODS
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
func NewTimer() Timer {
|
||||
c := Timer{}
|
||||
c.Reset()
|
||||
return c
|
||||
}
|
||||
|
||||
func (self Timer) String() string {
|
||||
return fmt.Sprintf("%[1]v", self.time_elapsed)
|
||||
}
|
||||
|
||||
func (self Timer) CurrentTime() time.Time {
|
||||
return self.time_current
|
||||
}
|
||||
|
||||
func (self Timer) ElapsedTime() time.Duration {
|
||||
return self.time_elapsed
|
||||
}
|
||||
|
||||
func (self *Timer) Start() {
|
||||
self.time_current = time.Now()
|
||||
}
|
||||
|
||||
func (self *Timer) Stop() {
|
||||
t0 := self.time_current
|
||||
t1 := time.Now()
|
||||
delta := t1.Sub(t0)
|
||||
self.time_current = t1
|
||||
self.time_elapsed += delta
|
||||
}
|
||||
|
||||
func (self *Timer) Reset() {
|
||||
t := time.Now()
|
||||
delta := t.Sub(t) // d. h. 0
|
||||
self.time_current = t
|
||||
self.time_elapsed = delta
|
||||
}
|
38
code/golang/internal/types/types_userconfig.go
Normal file
38
code/golang/internal/types/types_userconfig.go
Normal file
@ -0,0 +1,38 @@
|
||||
package types
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* IMPORTS
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
//
|
||||
|
||||
/* ---------------------------------------------------------------- *
|
||||
* YAML SCHEMES
|
||||
* ---------------------------------------------------------------- */
|
||||
|
||||
type UserConfig struct {
|
||||
Info *InfoConfig `yaml:"info"`
|
||||
Parts *PartsConfig `yaml:"parts"`
|
||||
}
|
||||
|
||||
type InfoConfig struct {
|
||||
Title *string `yaml:"title"`
|
||||
Description *string `yaml:"description"`
|
||||
}
|
||||
|
||||
type PartsConfig struct {
|
||||
Cases *([]CaseConfig) `yaml:"cases"`
|
||||
}
|
||||
|
||||
type CaseConfig struct {
|
||||
Command *string `yaml:"command"`
|
||||
Description *string `yaml:"description"`
|
||||
Inputs *InputsConfig `yaml:"inputs"`
|
||||
}
|
||||
|
||||
type InputsConfig struct {
|
||||
List *[]int `yaml:"L"`
|
||||
SearchRank *int `yaml:"i"`
|
||||
SearchValue *int `yaml:"x"`
|
||||
JumpSize *int `yaml:"m"`
|
||||
}
|
Loading…
x
Reference in New Issue
Block a user