mirror of
https://github.com/gonum/gonum.git
synced 2025-10-05 23:26:52 +08:00
105 lines
2.9 KiB
Go
105 lines
2.9 KiB
Go
// Copyright ©2019 The Gonum Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package testblas
|
|
|
|
import (
|
|
"fmt"
|
|
"testing"
|
|
|
|
"golang.org/x/exp/rand"
|
|
"gonum.org/v1/gonum/blas"
|
|
)
|
|
|
|
type Zgemmer interface {
|
|
Zgemm(tA, tB blas.Transpose, m, n, k int, alpha complex128, a []complex128, lda int, b []complex128, ldb int, beta complex128, c []complex128, ldc int)
|
|
}
|
|
|
|
func ZgemmTest(t *testing.T, impl Zgemmer) {
|
|
for _, tA := range []blas.Transpose{blas.NoTrans, blas.Trans, blas.ConjTrans} {
|
|
for _, tB := range []blas.Transpose{blas.NoTrans, blas.Trans, blas.ConjTrans} {
|
|
name := transString(tA) + "-" + transString(tB)
|
|
t.Run(name, func(t *testing.T) {
|
|
for _, m := range []int{0, 1, 2, 5, 10} {
|
|
for _, n := range []int{0, 1, 2, 5, 10} {
|
|
for _, k := range []int{0, 1, 2, 7, 11} {
|
|
zgemmTest(t, impl, tA, tB, m, n, k)
|
|
}
|
|
}
|
|
}
|
|
})
|
|
}
|
|
}
|
|
}
|
|
|
|
func zgemmTest(t *testing.T, impl Zgemmer, tA, tB blas.Transpose, m, n, k int) {
|
|
const tol = 1e-13
|
|
|
|
rnd := rand.New(rand.NewSource(1))
|
|
|
|
rowA, colA := m, k
|
|
if tA != blas.NoTrans {
|
|
rowA, colA = k, m
|
|
}
|
|
rowB, colB := k, n
|
|
if tB != blas.NoTrans {
|
|
rowB, colB = n, k
|
|
}
|
|
|
|
for _, lda := range []int{max(1, colA), colA + 2} {
|
|
for _, ldb := range []int{max(1, colB), colB + 3} {
|
|
for _, ldc := range []int{max(1, n), n + 4} {
|
|
for _, alpha := range []complex128{0, 1, complex(0.7, -0.9)} {
|
|
for _, beta := range []complex128{0, 1, complex(1.3, -1.1)} {
|
|
// Allocate the matrix A and fill it with random numbers.
|
|
a := make([]complex128, rowA*lda)
|
|
for i := range a {
|
|
a[i] = rndComplex128(rnd)
|
|
}
|
|
// Create a copy of A.
|
|
aCopy := make([]complex128, len(a))
|
|
copy(aCopy, a)
|
|
|
|
// Allocate the matrix B and fill it with random numbers.
|
|
b := make([]complex128, rowB*ldb)
|
|
for i := range b {
|
|
b[i] = rndComplex128(rnd)
|
|
}
|
|
// Create a copy of B.
|
|
bCopy := make([]complex128, len(b))
|
|
copy(bCopy, b)
|
|
|
|
// Allocate the matrix C and fill it with random numbers.
|
|
c := make([]complex128, m*ldc)
|
|
for i := range c {
|
|
c[i] = rndComplex128(rnd)
|
|
}
|
|
|
|
// Compute the expected result using an internal Zgemm implementation.
|
|
want := zmm(tA, tB, m, n, k, alpha, a, lda, b, ldb, beta, c, ldc)
|
|
|
|
// Compute a result using Zgemm.
|
|
impl.Zgemm(tA, tB, m, n, k, alpha, a, lda, b, ldb, beta, c, ldc)
|
|
|
|
prefix := fmt.Sprintf("m=%v,n=%v,k=%v,lda=%v,ldb=%v,ldc=%v,alpha=%v,beta=%v", m, n, k, lda, ldb, ldc, alpha, beta)
|
|
|
|
if !zsame(a, aCopy) {
|
|
t.Errorf("%v: unexpected modification of A", prefix)
|
|
continue
|
|
}
|
|
if !zsame(b, bCopy) {
|
|
t.Errorf("%v: unexpected modification of B", prefix)
|
|
continue
|
|
}
|
|
|
|
if !zEqualApprox(c, want, tol) {
|
|
t.Errorf("%v: unexpected result,\nwant=%v\ngot =%v\n", prefix, want, c)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|