Merge pull request #201 from Bytom/v0.1

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

diff --git a/vendor/gonum.org/v1/gonum/lapack/testlapack/dlantr.go b/vendor/gonum.org/v1/gonum/lapack/testlapack/dlantr.go
deleted file mode 100644 (file)
index bd3e0b8..0000000
--- a/vendor/gonum.org/v1/gonum/lapack/testlapack/dlantr.go
+++ /dev/null
@@ -1,90 +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 Dlantrer interface {
-       Dlanger
-       Dlantr(norm lapack.MatrixNorm, uplo blas.Uplo, diag blas.Diag, m, n int, a []float64, lda int, work []float64) float64
-}
-
-func DlantrTest(t *testing.T, impl Dlantrer) {
-       rnd := rand.New(rand.NewSource(1))
-       for _, norm := range []lapack.MatrixNorm{lapack.MaxAbs, lapack.MaxColumnSum, lapack.MaxRowSum, lapack.NormFrob} {
-               for _, diag := range []blas.Diag{blas.NonUnit, blas.Unit} {
-                       for _, uplo := range []blas.Uplo{blas.Lower, blas.Upper} {
-                               for _, test := range []struct {
-                                       m, n, lda int
-                               }{
-                                       {3, 3, 0},
-                                       {3, 5, 0},
-                                       {10, 5, 0},
-
-                                       {5, 5, 11},
-                                       {5, 10, 11},
-                                       {10, 5, 11},
-                               } {
-                                       // Do a couple of random trials since the values change.
-                                       for trial := 0; trial < 100; trial++ {
-                                               m := test.m
-                                               n := test.n
-                                               lda := test.lda
-                                               if lda == 0 {
-                                                       lda = n
-                                               }
-                                               a := make([]float64, m*lda)
-                                               if trial == 0 {
-                                                       for i := range a {
-                                                               a[i] = float64(i)
-                                                       }
-                                               } else {
-                                                       for i := range a {
-                                                               a[i] = rnd.NormFloat64()
-                                                       }
-                                               }
-                                               aDense := make([]float64, len(a))
-                                               if uplo == blas.Lower {
-                                                       for i := 0; i < m; i++ {
-                                                               for j := 0; j <= min(i, n-1); j++ {
-                                                                       aDense[i*lda+j] = a[i*lda+j]
-                                                               }
-                                                       }
-                                               } else {
-                                                       for i := 0; i < m; i++ {
-                                                               for j := i; j < n; j++ {
-                                                                       aDense[i*lda+j] = a[i*lda+j]
-                                                               }
-                                                       }
-                                               }
-                                               if diag == blas.Unit {
-                                                       for i := 0; i < min(m, n); i++ {
-                                                               aDense[i*lda+i] = 1
-                                                       }
-                                               }
-                                               work := make([]float64, n+6)
-                                               for i := range work {
-                                                       work[i] = rnd.Float64()
-                                               }
-                                               got := impl.Dlantr(norm, uplo, diag, m, n, a, lda, work)
-                                               want := impl.Dlange(norm, m, n, aDense, lda, work)
-                                               if math.Abs(got-want) > 1e-13 {
-                                                       t.Errorf("Norm mismatch. norm = %c, unitdiag = %v, upper = %v, m = %v, n = %v, lda = %v, Want %v, got %v.",
-                                                               norm, diag == blas.Unit, uplo == blas.Upper, m, n, lda, got, want)
-                                               }
-                                       }
-                               }
-                       }
-               }
-       }
-}