Merge pull request #201 from Bytom/v0.1

[bytom/vapor.git] / vendor / gonum.org / v1 / gonum / lapack / testlapack / dlansy.go

diff --git a/vendor/gonum.org/v1/gonum/lapack/testlapack/dlansy.go b/vendor/gonum.org/v1/gonum/lapack/testlapack/dlansy.go
deleted file mode 100644 (file)
index 6f8d802..0000000
--- a/vendor/gonum.org/v1/gonum/lapack/testlapack/dlansy.go
+++ /dev/null
@@ -1,81 +0,0 @@
-// Copyright ©2015 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 testlapack
-
-import (
-       "math"
-       "testing"
-
-       "golang.org/x/exp/rand"
-
-       "gonum.org/v1/gonum/blas"
-       "gonum.org/v1/gonum/lapack"
-)
-
-type Dlansyer interface {
-       Dlanger
-       Dlansy(norm lapack.MatrixNorm, uplo blas.Uplo, n int, a []float64, lda int, work []float64) float64
-}
-
-func DlansyTest(t *testing.T, impl Dlansyer) {
-       rnd := rand.New(rand.NewSource(1))
-       for _, norm := range []lapack.MatrixNorm{lapack.MaxAbs, lapack.MaxColumnSum, lapack.MaxRowSum, lapack.NormFrob} {
-               for _, uplo := range []blas.Uplo{blas.Lower, blas.Upper} {
-                       for _, test := range []struct {
-                               n, lda int
-                       }{
-                               {1, 0},
-                               {3, 0},
-
-                               {1, 10},
-                               {3, 10},
-                       } {
-                               for trial := 0; trial < 100; trial++ {
-                                       n := test.n
-                                       lda := test.lda
-                                       if lda == 0 {
-                                               lda = n
-                                       }
-                                       a := make([]float64, lda*n)
-                                       if trial == 0 {
-                                               for i := range a {
-                                                       a[i] = float64(i)
-                                               }
-                                       } else {
-                                               for i := range a {
-                                                       a[i] = rnd.NormFloat64()
-                                               }
-                                       }
-
-                                       aDense := make([]float64, n*n)
-                                       if uplo == blas.Upper {
-                                               for i := 0; i < n; i++ {
-                                                       for j := i; j < n; j++ {
-                                                               v := a[i*lda+j]
-                                                               aDense[i*n+j] = v
-                                                               aDense[j*n+i] = v
-                                                       }
-                                               }
-                                       } else {
-                                               for i := 0; i < n; i++ {
-                                                       for j := 0; j <= i; j++ {
-                                                               v := a[i*lda+j]
-                                                               aDense[i*n+j] = v
-                                                               aDense[j*n+i] = v
-                                                       }
-                                               }
-                                       }
-                                       work := make([]float64, n)
-                                       got := impl.Dlansy(norm, uplo, n, a, lda, work)
-                                       want := impl.Dlange(norm, n, n, aDense, n, work)
-                                       if math.Abs(want-got) > 1e-14 {
-                                               t.Errorf("Norm mismatch. norm = %c, upper = %v, n = %v, lda = %v, want %v, got %v.",
-                                                       norm, uplo == blas.Upper, n, lda, got, want)
-                                       }
-                               }
-                       }
-               }
-       }
-}