Merge pull request #201 from Bytom/v0.1

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

diff --git a/vendor/gonum.org/v1/gonum/lapack/testlapack/dlascl.go b/vendor/gonum.org/v1/gonum/lapack/testlapack/dlascl.go
deleted file mode 100644 (file)
index 1c92e57..0000000
--- a/vendor/gonum.org/v1/gonum/lapack/testlapack/dlascl.go
+++ /dev/null
@@ -1,107 +0,0 @@
-// Copyright ©2016 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 (
-       "fmt"
-       "math"
-       "testing"
-
-       "golang.org/x/exp/rand"
-
-       "gonum.org/v1/gonum/lapack"
-)
-
-type Dlascler interface {
-       Dlascl(kind lapack.MatrixType, kl, ku int, cfrom, cto float64, m, n int, a []float64, lda int)
-}
-
-func DlasclTest(t *testing.T, impl Dlascler) {
-       const tol = 1e-16
-
-       rnd := rand.New(rand.NewSource(1))
-       for ti, test := range []struct {
-               m, n int
-       }{
-               {0, 0},
-               {1, 1},
-               {1, 10},
-               {10, 1},
-               {2, 2},
-               {2, 11},
-               {11, 2},
-               {3, 3},
-               {3, 11},
-               {11, 3},
-               {11, 11},
-               {11, 100},
-               {100, 11},
-       } {
-               m := test.m
-               n := test.n
-               for _, extra := range []int{0, 11} {
-                       for _, kind := range []lapack.MatrixType{lapack.General, lapack.UpperTri, lapack.LowerTri} {
-                               a := randomGeneral(m, n, n+extra, rnd)
-                               aCopy := cloneGeneral(a)
-                               cfrom := rnd.NormFloat64()
-                               cto := rnd.NormFloat64()
-                               scale := cto / cfrom
-
-                               impl.Dlascl(kind, -1, -1, cfrom, cto, m, n, a.Data, a.Stride)
-
-                               prefix := fmt.Sprintf("Case #%v: kind=%v,m=%v,n=%v,extra=%v", ti, kind, m, n, extra)
-                               if !generalOutsideAllNaN(a) {
-                                       t.Errorf("%v: out-of-range write to A", prefix)
-                               }
-                               switch kind {
-                               case lapack.General:
-                                       for i := 0; i < m; i++ {
-                                               for j := 0; j < n; j++ {
-                                                       want := scale * aCopy.Data[i*aCopy.Stride+j]
-                                                       got := a.Data[i*a.Stride+j]
-                                                       if math.Abs(want-got) > tol {
-                                                               t.Errorf("%v: unexpected A[%v,%v]=%v, want %v", prefix, i, j, got, want)
-                                                       }
-                                               }
-                                       }
-                               case lapack.UpperTri:
-                                       for i := 0; i < m; i++ {
-                                               for j := i; j < n; j++ {
-                                                       want := scale * aCopy.Data[i*aCopy.Stride+j]
-                                                       got := a.Data[i*a.Stride+j]
-                                                       if math.Abs(want-got) > tol {
-                                                               t.Errorf("%v: unexpected A[%v,%v]=%v, want %v", prefix, i, j, got, want)
-                                                       }
-                                               }
-                                       }
-                                       for i := 0; i < m; i++ {
-                                               for j := 0; j < min(i, n); j++ {
-                                                       if a.Data[i*a.Stride+j] != aCopy.Data[i*aCopy.Stride+j] {
-                                                               t.Errorf("%v: unexpected modification in lower triangle of A", prefix)
-                                                       }
-                                               }
-                                       }
-                               case lapack.LowerTri:
-                                       for i := 0; i < m; i++ {
-                                               for j := 0; j <= min(i, n-1); j++ {
-                                                       want := scale * aCopy.Data[i*aCopy.Stride+j]
-                                                       got := a.Data[i*a.Stride+j]
-                                                       if math.Abs(want-got) > tol {
-                                                               t.Errorf("%v: unexpected A[%v,%v]=%v, want %v", prefix, i, j, got, want)
-                                                       }
-                                               }
-                                       }
-                                       for i := 0; i < m; i++ {
-                                               for j := i + 1; j < n; j++ {
-                                                       if a.Data[i*a.Stride+j] != aCopy.Data[i*aCopy.Stride+j] {
-                                                               t.Errorf("%v: unexpected modification in upper triangle of A", prefix)
-                                                       }
-                                               }
-                                       }
-                               }
-                       }
-               }
-       }
-}