mirror of
https://github.com/gonum/gonum.git
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76 lines
2.5 KiB
Go
76 lines
2.5 KiB
Go
// Copyright ©2018 The Gonum Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package testblas
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import (
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"testing"
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"gonum.org/v1/gonum/blas"
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)
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type Ztpmver interface {
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Ztpmv(uplo blas.Uplo, trans blas.Transpose, diag blas.Diag, n int, ap []complex128, x []complex128, incX int)
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}
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func ZtpmvTest(t *testing.T, impl Ztpmver) {
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for tc, test := range ztrmvTestCases {
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n := len(test.x)
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uplo := test.uplo
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for _, trans := range []blas.Transpose{blas.NoTrans, blas.Trans, blas.ConjTrans} {
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for _, diag := range []blas.Diag{blas.NonUnit, blas.Unit} {
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for _, incX := range []int{-11, -2, -1, 1, 2, 7} {
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ap := zPack(uplo, n, test.a, n)
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apCopy := make([]complex128, len(ap))
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copy(apCopy, ap)
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x := makeZVector(test.x, incX)
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impl.Ztpmv(uplo, trans, diag, n, ap, x, incX)
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if !zsame(ap, apCopy) {
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t.Errorf("Case %v (uplo=%v,trans=%v,diag=%v,incX=%v): unexpected modification of A", tc, uplo, trans, diag, incX)
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}
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var want []complex128
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if diag == blas.NonUnit {
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switch {
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case trans == blas.NoTrans && incX > 0:
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want = makeZVector(test.want, incX)
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case trans == blas.NoTrans && incX < 0:
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want = makeZVector(test.wantNeg, incX)
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case trans == blas.Trans && incX > 0:
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want = makeZVector(test.wantTrans, incX)
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case trans == blas.Trans && incX < 0:
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want = makeZVector(test.wantTransNeg, incX)
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case trans == blas.ConjTrans && incX > 0:
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want = makeZVector(test.wantConjTrans, incX)
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case trans == blas.ConjTrans && incX < 0:
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want = makeZVector(test.wantConjTransNeg, incX)
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}
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} else {
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switch {
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case trans == blas.NoTrans && incX > 0:
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want = makeZVector(test.wantUnit, incX)
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case trans == blas.NoTrans && incX < 0:
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want = makeZVector(test.wantUnitNeg, incX)
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case trans == blas.Trans && incX > 0:
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want = makeZVector(test.wantUnitTrans, incX)
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case trans == blas.Trans && incX < 0:
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want = makeZVector(test.wantUnitTransNeg, incX)
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case trans == blas.ConjTrans && incX > 0:
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want = makeZVector(test.wantUnitConjTrans, incX)
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case trans == blas.ConjTrans && incX < 0:
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want = makeZVector(test.wantUnitConjTransNeg, incX)
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}
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}
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if !zsame(x, want) {
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t.Errorf("Case %v (uplo=%v,trans=%v,diag=%v,incX=%v): unexpected result\nwant %v\ngot %v", tc, uplo, trans, diag, incX, want, x)
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}
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}
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}
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}
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}
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}
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