logik2021/codego/aussagenlogik/formulae/formulae_generate.go

166 lines
5.8 KiB
Go

package formulae
// NOTE: GoLang hat noch keine generics. Erst 2022.
/* ---------------------------------------------------------------- *
* Generate int-value FN from scheme
* ---------------------------------------------------------------- */
func CreateFromSchemeIntValued(scheme func(fml Formula, prevValues []int) int) func(fml Formula) int {
var fn func(fml Formula) int
var subFn = func(ch chan int, subFml Formula) { ch <- fn(subFml) }
fn = func(fml Formula) int {
var subFmls = fml.GetSubFormulae()
var n = len(subFmls)
var subChan = make([](chan int), n)
var prevValues = make([]int, len(subFmls))
// start parallel computations on subformulas
for i, subFml := range subFmls {
subChan[i] = make(chan int) // create Channel, since currently nil
go subFn(subChan[i], subFml)
}
// successively read values
for i := 0; i < n; i++ {
prevValues[i] = <-subChan[i]
}
// apply schema to get value for formula
return scheme(fml, prevValues)
}
return fn
}
/* ---------------------------------------------------------------- *
* Generate string-value FN from scheme
* ---------------------------------------------------------------- */
func CreateFromSchemeStringValued(scheme func(fml Formula, prevValues []string) string) func(fml Formula) string {
var fn func(fml Formula) string
var subFn = func(ch chan string, subFml Formula) { ch <- fn(subFml) }
fn = func(fml Formula) string {
var subFmls = fml.GetSubFormulae()
var n = len(subFmls)
var subChan = make([](chan string), n)
var prevValues = make([]string, len(subFmls))
// start parallel computations on subformulas
for i, subFml := range subFmls {
subChan[i] = make(chan string) // create Channel, since currently nil
go subFn(subChan[i], subFml)
}
// successively read values
for i := 0; i < n; i++ {
prevValues[i] = <-subChan[i]
}
// apply schema to get value for formula
return scheme(fml, prevValues)
}
return fn
}
/* ---------------------------------------------------------------- *
* Generate *[]string-value Fn from scheme
* ---------------------------------------------------------------- */
func CreateFromSchemeStringsValued(scheme func(fml Formula, prevValues [][]string) []string) func(fml Formula) []string {
var fn func(fml Formula) []string
var subFn = func(ch chan []string, subFml Formula) { ch <- fn(subFml) }
fn = func(fml Formula) []string {
var subFmls = fml.GetSubFormulae()
var n = len(subFmls)
var subChan = make([](chan []string), n)
var prevValues = make([][]string, len(subFmls))
// start parallel computations on subformulas
for i, subFml := range subFmls {
subChan[i] = make(chan []string) // create Channel, since currently nil
go subFn(subChan[i], subFml)
}
// successively read values
for i := 0; i < n; i++ {
prevValues[i] = <-subChan[i]
}
// apply schema to get value for formula
return scheme(fml, prevValues)
}
return fn
}
/* ---------------------------------------------------------------- *
* Generate Formula-value Fn from scheme
* ---------------------------------------------------------------- */
func CreateFromSchemeFmlValued(scheme func(fml Formula, prevValues []Formula) Formula) func(fml Formula) Formula {
var fn func(fml Formula) Formula
var subFn = func(ch chan Formula, subFml Formula) { ch <- fn(subFml) }
fn = func(fml Formula) Formula {
var subFmls = fml.GetSubFormulae()
var n = len(subFmls)
var subChan = make([](chan Formula), n)
var prevValues = make([]Formula, len(subFmls))
// start parallel computations on subformulas
for i, subFml := range subFmls {
subChan[i] = make(chan Formula) // create Channel, since currently nil
go subFn(subChan[i], subFml)
}
// successively read values
for i := 0; i < n; i++ {
prevValues[i] = <-subChan[i]
}
// apply schema to get value for formula
return scheme(fml, prevValues)
}
return fn
}
/* ---------------------------------------------------------------- *
* Generate *[]Formula-value Fn from scheme
* ---------------------------------------------------------------- */
func CreateFromSchemeFmlsValued(scheme func(fml Formula, prevValues [](*[]Formula)) *[]Formula) func(fml Formula) *[]Formula {
var fn func(fml Formula) *[]Formula
var subFn = func(ch chan *[]Formula, subFml Formula) { ch <- fn(subFml) }
fn = func(fml Formula) *[]Formula {
var subFmls = fml.GetSubFormulae()
var n = len(subFmls)
var subChan = make([](chan *[]Formula), n)
var prevValues = make([](*[]Formula), len(subFmls))
// start parallel computations on subformulas
for i, subFml := range subFmls {
subChan[i] = make(chan *[]Formula) // create Channel, since currently nil
go subFn(subChan[i], subFml)
}
// successively read values
for i := 0; i < n; i++ {
prevValues[i] = <-subChan[i]
}
// apply schema to get value for formula
return scheme(fml, prevValues)
}
return fn
}
/* ---------------------------------------------------------------- *
* Generate {pos: Formula, ne: Formula}-value Fn from scheme
* ---------------------------------------------------------------- */
func CreateFromSchemeFmlPairValued(scheme func(fml Formula, prevValues []FormulaPair) FormulaPair) func(fml Formula) FormulaPair {
var fn func(fml Formula) FormulaPair
var subFn = func(ch chan FormulaPair, subFml Formula) { ch <- fn(subFml) }
fn = func(fml Formula) FormulaPair {
var subFmls = fml.GetSubFormulae()
var n = len(subFmls)
var subChan = make([](chan FormulaPair), n)
var prevValues = make([]FormulaPair, len(subFmls))
// start parallel computations on subformulas
for i, subFml := range subFmls {
subChan[i] = make(chan FormulaPair) // create Channel, since currently nil
go subFn(subChan[i], subFml)
}
// successively read values
for i := 0; i < n; i++ {
prevValues[i] = <-subChan[i]
}
// apply schema to get value for formula
return scheme(fml, prevValues)
}
return fn
}