/
num_kullbacklibler.go
55 lines (48 loc) · 1.38 KB
/
num_kullbacklibler.go
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package stdlib
import (
"gonum.org/v1/gonum/stat"
"github.com/gammazero/deque"
tc "github.com/vulogov/ThreadComputation"
)
func bundnumKullbackLeiblerMatrix(x interface{}, y interface{}) interface{} {
switch rx := x.(type) {
case *tc.TCMatrix:
switch ry := y.(type) {
case *tc.TCMatrix:
m1, n1 := rx.M.Dims()
m2, n2 := ry.M.Dims()
if m1 == m2 && n1 == n2 {
src1 := BUNDMatrixToFloats(rx)
src2 := BUNDMatrixToFloats(ry)
res := stat.KullbackLeibler(src1, src2)
return res
}
}
}
return tc.MakeNone()
}
func bundnumKullbackLeiblerNumbers(x interface{}, y interface{}) interface{} {
switch rx := x.(type) {
case *tc.TCNumbers:
switch ry := y.(type) {
case *tc.TCNumbers:
if rx.Len() == ry.Len() {
res := stat.KullbackLeibler(rx.N, ry.N)
return res
}
}
}
return tc.MakeNone()
}
func BUNDnumKullbackLeibler(l *tc.TCExecListener, name string, q *deque.Deque) (interface{}, error) {
err := l.ExecuteOperator("numkullbacklibler", q)
if err != nil {
return nil, err
}
return nil, nil
}
func init() {
tc.SetFunction("num.KullbackLeibler", BUNDnumKullbackLeibler)
tc.RegisterOperatorCallback("numkullbacklibler", tc.Matrix, tc.Matrix, bundnumKullbackLeiblerMatrix)
tc.RegisterOperatorCallback("numkullbacklibler", tc.Numbers, tc.Numbers, bundnumKullbackLeiblerNumbers)
}