+++ /dev/null
-// Copyright ©2017 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 (
- "testing"
-
- "gonum.org/v1/gonum/blas"
-)
-
-var zher2TestCases = []struct {
- alpha complex128
- incX, incY int
- x []complex128
- y []complex128
- a []complex128
-
- want []complex128
-}{
- {
- alpha: 1 + 2i,
- incX: 1,
- incY: 1,
- },
- {
- alpha: 1 + 2i,
- incX: 1,
- incY: 1,
- x: []complex128{
- -6 + 2i,
- -2 - 4i,
- 0 + 0i,
- 0 + 7i,
- },
- y: []complex128{
- 2 - 5i,
- 0 + 0i,
- -8 - 9i,
- 6 + 6i,
- },
- a: []complex128{
- 2 + 0i, -9 + 7i, 3 + 11i, 10 - 1i,
- -9 - 7i, 16 + 0i, -5 + 2i, -7 - 5i,
- 3 - 11i, -5 - 2i, 14 + 0i, 2 - 1i,
- 10 + 1i, -7 + 5i, 2 + 1i, 18 + 0i,
- },
- want: []complex128{
- 62 + 0i, 43 - 7i, 173 + 1i, -173 + 55i,
- 43 + 7i, 16 + 0i, 19 + 120i, -19 - 89i,
- 173 - 1i, 19 - 120i, 14 + 0i, 51 + 181i,
- -173 - 55i, -19 + 89i, 51 - 181i, -66 + 0i,
- },
- },
- {
- alpha: 1 + 2i,
- incX: 1,
- incY: 1,
- x: []complex128{
- -6 + 2i,
- -2 - 4i,
- 0 + 0i,
- 0 + 7i,
- },
- y: []complex128{
- 2 - 5i,
- -8 - 9i,
- 0 + 0i,
- 6 + 6i,
- },
- a: []complex128{
- 2 + 0i, -9 + 7i, 3 + 11i, 10 - 1i,
- -9 - 7i, 16 + 0i, -5 + 2i, -7 - 5i,
- 3 - 11i, -5 - 2i, 14 + 0i, 2 - 1i,
- 10 + 1i, -7 + 5i, 2 + 1i, 18 + 0i,
- },
- want: []complex128{
- 62 + 0i, 213 - 17i, 3 + 11i, -173 + 55i,
- 213 + 17i, 64 + 0i, -5 + 2i, 30 + 93i,
- 3 - 11i, -5 - 2i, 14 + 0i, 2 - 1i,
- -173 - 55i, 30 - 93i, 2 + 1i, -66 + 0i,
- },
- },
- {
- alpha: 1 + 2i,
- incX: 2,
- incY: 4,
- x: []complex128{
- -6 + 2i,
- -2 - 4i,
- 0 + 0i,
- 0 + 7i,
- },
- y: []complex128{
- 2 - 5i,
- -8 - 9i,
- 0 + 0i,
- 6 + 6i,
- },
- a: []complex128{
- 2 + 0i, -9 + 7i, 3 + 11i, 10 - 1i,
- -9 - 7i, 16 + 0i, -5 + 2i, -7 - 5i,
- 3 - 11i, -5 - 2i, 14 + 0i, 2 - 1i,
- 10 + 1i, -7 + 5i, 2 + 1i, 18 + 0i,
- },
- want: []complex128{
- 62 + 0i, 213 - 17i, 3 + 11i, -173 + 55i,
- 213 + 17i, 64 + 0i, -5 + 2i, 30 + 93i,
- 3 - 11i, -5 - 2i, 14 + 0i, 2 - 1i,
- -173 - 55i, 30 - 93i, 2 + 1i, -66 + 0i,
- },
- },
- {
- alpha: 1 + 2i,
- incX: 3,
- incY: 7,
- x: []complex128{
- -6 + 2i,
- -2 - 4i,
- 0 + 0i,
- 0 + 7i,
- },
- y: []complex128{
- 2 - 5i,
- 0 + 0i,
- -8 - 9i,
- 6 + 6i,
- },
- a: []complex128{
- 2 + 0i, -9 + 7i, 3 + 11i, 10 - 1i,
- -9 - 7i, 16 + 0i, -5 + 2i, -7 - 5i,
- 3 - 11i, -5 - 2i, 14 + 0i, 2 - 1i,
- 10 + 1i, -7 + 5i, 2 + 1i, 18 + 0i,
- },
- want: []complex128{
- 62 + 0i, 43 - 7i, 173 + 1i, -173 + 55i,
- 43 + 7i, 16 + 0i, 19 + 120i, -19 - 89i,
- 173 - 1i, 19 - 120i, 14 + 0i, 51 + 181i,
- -173 - 55i, -19 + 89i, 51 - 181i, -66 + 0i,
- },
- },
- {
- alpha: 1 + 2i,
- incX: -3,
- incY: 7,
- x: []complex128{
- 0 + 7i,
- 0 + 0i,
- -2 - 4i,
- -6 + 2i,
- },
- y: []complex128{
- 2 - 5i,
- 0 + 0i,
- -8 - 9i,
- 6 + 6i,
- },
- a: []complex128{
- 2 + 0i, -9 + 7i, 3 + 11i, 10 - 1i,
- -9 - 7i, 16 + 0i, -5 + 2i, -7 - 5i,
- 3 - 11i, -5 - 2i, 14 + 0i, 2 - 1i,
- 10 + 1i, -7 + 5i, 2 + 1i, 18 + 0i,
- },
- want: []complex128{
- 62 + 0i, 43 - 7i, 173 + 1i, -173 + 55i,
- 43 + 7i, 16 + 0i, 19 + 120i, -19 - 89i,
- 173 - 1i, 19 - 120i, 14 + 0i, 51 + 181i,
- -173 - 55i, -19 + 89i, 51 - 181i, -66 + 0i,
- },
- },
- {
- alpha: 1 + 2i,
- incX: 3,
- incY: -7,
- x: []complex128{
- -6 + 2i,
- -2 - 4i,
- 0 + 0i,
- 0 + 7i,
- },
- y: []complex128{
- 6 + 6i,
- -8 - 9i,
- 0 + 0i,
- 2 - 5i,
- },
- a: []complex128{
- 2 + 0i, -9 + 7i, 3 + 11i, 10 - 1i,
- -9 - 7i, 16 + 0i, -5 + 2i, -7 - 5i,
- 3 - 11i, -5 - 2i, 14 + 0i, 2 - 1i,
- 10 + 1i, -7 + 5i, 2 + 1i, 18 + 0i,
- },
- want: []complex128{
- 62 + 0i, 43 - 7i, 173 + 1i, -173 + 55i,
- 43 + 7i, 16 + 0i, 19 + 120i, -19 - 89i,
- 173 - 1i, 19 - 120i, 14 + 0i, 51 + 181i,
- -173 - 55i, -19 + 89i, 51 - 181i, -66 + 0i,
- },
- },
- {
- alpha: 1 + 2i,
- incX: -3,
- incY: -7,
- x: []complex128{
- 0 + 7i,
- 0 + 0i,
- -2 - 4i,
- -6 + 2i,
- },
- y: []complex128{
- 6 + 6i,
- -8 - 9i,
- 0 + 0i,
- 2 - 5i,
- },
- a: []complex128{
- 2 + 0i, -9 + 7i, 3 + 11i, 10 - 1i,
- -9 - 7i, 16 + 0i, -5 + 2i, -7 - 5i,
- 3 - 11i, -5 - 2i, 14 + 0i, 2 - 1i,
- 10 + 1i, -7 + 5i, 2 + 1i, 18 + 0i,
- },
- want: []complex128{
- 62 + 0i, 43 - 7i, 173 + 1i, -173 + 55i,
- 43 + 7i, 16 + 0i, 19 + 120i, -19 - 89i,
- 173 - 1i, 19 - 120i, 14 + 0i, 51 + 181i,
- -173 - 55i, -19 + 89i, 51 - 181i, -66 + 0i,
- },
- },
- {
- alpha: 0,
- incX: 1,
- incY: 1,
- x: []complex128{
- -6 + 2i,
- -2 - 4i,
- 0 + 0i,
- 0 + 7i,
- },
- y: []complex128{
- 2 - 5i,
- 0 + 0i,
- -8 - 9i,
- 6 + 6i,
- },
- a: []complex128{
- 2 + 0i, -9 + 7i, 3 + 11i, 10 - 1i,
- -9 - 7i, 16 + 0i, -5 + 2i, -7 - 5i,
- 3 - 11i, -5 - 2i, 14 + 0i, 2 - 1i,
- 10 + 1i, -7 + 5i, 2 + 1i, 18 + 0i,
- },
- want: []complex128{
- 2 + 0i, -9 + 7i, 3 + 11i, 10 - 1i,
- -9 - 7i, 16 + 0i, -5 + 2i, -7 - 5i,
- 3 - 11i, -5 - 2i, 14 + 0i, 2 - 1i,
- 10 + 1i, -7 + 5i, 2 + 1i, 18 + 0i,
- },
- },
-}
-
-type Zher2er interface {
- Zher2(uplo blas.Uplo, n int, alpha complex128, x []complex128, incX int, y []complex128, incY int, a []complex128, lda int)
-}
-
-func Zher2Test(t *testing.T, impl Zher2er) {
- for tc, test := range zher2TestCases {
- n := len(test.x)
- incX := test.incX
- incY := test.incY
- for _, uplo := range []blas.Uplo{blas.Lower, blas.Upper} {
- for _, lda := range []int{max(1, n), n + 11} {
- x := makeZVector(test.x, incX)
- xCopy := make([]complex128, len(x))
- copy(xCopy, x)
-
- y := makeZVector(test.y, incY)
- yCopy := make([]complex128, len(y))
- copy(yCopy, y)
-
- a := makeZGeneral(test.a, n, n, lda)
- want := makeZGeneral(test.want, n, n, lda)
-
- if uplo == blas.Upper {
- for i := 0; i < n; i++ {
- for j := 0; j < i; j++ {
- a[i*lda+j] = znan
- want[i*lda+j] = znan
- }
- }
- } else {
- for i := 0; i < n; i++ {
- for j := i + 1; j < n; j++ {
- a[i*lda+j] = znan
- want[i*lda+j] = znan
- }
- }
- }
-
- impl.Zher2(uplo, n, test.alpha, x, incX, y, incY, a, lda)
-
- if !zsame(x, xCopy) {
- t.Errorf("Case %v (uplo=%v,incX=%v,incY=%v,lda=%v: unexpected modification of x", tc, uplo, incX, incY, lda)
- }
- if !zsame(y, yCopy) {
- t.Errorf("Case %v (uplo=%v,incX=%v,incY=%v,lda=%v: unexpected modification of y", tc, uplo, incX, incY, lda)
- }
- if !zsame(want, a) {
- t.Errorf("Case %v (uplo=%v,incX=%v,incY=%v,lda=%v: unexpected result\nwant: %v\ngot: %v", tc, uplo, incX, incY, lda, want, a)
- }
- }
- }
- }
-}
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