Merge pull request #201 from Bytom/v0.1

[bytom/vapor.git] / vendor / gonum.org / v1 / gonum / lapack / testlapack / dlaqp2.go

diff --git a/vendor/gonum.org/v1/gonum/lapack/testlapack/dlaqp2.go b/vendor/gonum.org/v1/gonum/lapack/testlapack/dlaqp2.go
deleted file mode 100644 (file)
index 1e8aee4..0000000
--- a/vendor/gonum.org/v1/gonum/lapack/testlapack/dlaqp2.go
+++ /dev/null
@@ -1,115 +0,0 @@
-// 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 testlapack
-
-import (
-       "fmt"
-       "math"
-       "testing"
-
-       "gonum.org/v1/gonum/blas"
-       "gonum.org/v1/gonum/blas/blas64"
-)
-
-type Dlaqp2er interface {
-       Dlapmter
-       Dlaqp2(m, n, offset int, a []float64, lda int, jpvt []int, tau, vn1, vn2, work []float64)
-}
-
-func Dlaqp2Test(t *testing.T, impl Dlaqp2er) {
-       for ti, test := range []struct {
-               m, n, offset int
-       }{
-               {m: 4, n: 3, offset: 0},
-               {m: 4, n: 3, offset: 2},
-               {m: 4, n: 3, offset: 4},
-               {m: 3, n: 4, offset: 0},
-               {m: 3, n: 4, offset: 1},
-               {m: 3, n: 4, offset: 2},
-               {m: 8, n: 3, offset: 0},
-               {m: 8, n: 3, offset: 4},
-               {m: 8, n: 3, offset: 8},
-               {m: 3, n: 8, offset: 0},
-               {m: 3, n: 8, offset: 1},
-               {m: 3, n: 8, offset: 2},
-               {m: 10, n: 10, offset: 0},
-               {m: 10, n: 10, offset: 5},
-               {m: 10, n: 10, offset: 10},
-       } {
-               m := test.m
-               n := test.n
-               jpiv := make([]int, n)
-
-               for _, extra := range []int{0, 11} {
-                       a := zeros(m, n, n+extra)
-                       c := 1
-                       for i := 0; i < m; i++ {
-                               for j := 0; j < n; j++ {
-                                       a.Data[i*a.Stride+j] = float64(c)
-                                       c++
-                               }
-                       }
-                       aCopy := cloneGeneral(a)
-                       for j := range jpiv {
-                               jpiv[j] = j
-                       }
-
-                       tau := make([]float64, n)
-                       vn1 := columnNorms(m, n, a.Data, a.Stride)
-                       vn2 := columnNorms(m, n, a.Data, a.Stride)
-                       work := make([]float64, n)
-
-                       impl.Dlaqp2(m, n, test.offset, a.Data, a.Stride, jpiv, tau, vn1, vn2, work)
-
-                       prefix := fmt.Sprintf("Case %v (offset=%d,m=%v,n=%v,extra=%v)", ti, test.offset, m, n, extra)
-                       if !generalOutsideAllNaN(a) {
-                               t.Errorf("%v: out-of-range write to A", prefix)
-                       }
-
-                       if test.offset == m {
-                               continue
-                       }
-
-                       mo := m - test.offset
-                       q := constructQ("QR", mo, n, a.Data[test.offset*a.Stride:], a.Stride, tau)
-                       // Check that q is orthonormal
-                       for i := 0; i < mo; i++ {
-                               nrm := blas64.Nrm2(mo, blas64.Vector{Inc: 1, Data: q.Data[i*mo:]})
-                               if math.Abs(nrm-1) > 1e-13 {
-                                       t.Errorf("Case %v, q not normal", ti)
-                               }
-                               for j := 0; j < i; j++ {
-                                       dot := blas64.Dot(mo, blas64.Vector{Inc: 1, Data: q.Data[i*mo:]}, blas64.Vector{Inc: 1, Data: q.Data[j*mo:]})
-                                       if math.Abs(dot) > 1e-14 {
-                                               t.Errorf("Case %v, q not orthogonal", ti)
-                                       }
-                               }
-                       }
-
-                       // Check that A * P = Q * R
-                       r := blas64.General{
-                               Rows:   mo,
-                               Cols:   n,
-                               Stride: n,
-                               Data:   make([]float64, mo*n),
-                       }
-                       for i := 0; i < mo; i++ {
-                               for j := i; j < n; j++ {
-                                       r.Data[i*n+j] = a.Data[(test.offset+i)*a.Stride+j]
-                               }
-                       }
-                       got := nanGeneral(mo, n, n)
-                       blas64.Gemm(blas.NoTrans, blas.NoTrans, 1, q, r, 0, got)
-
-                       want := aCopy
-                       impl.Dlapmt(true, want.Rows, want.Cols, want.Data, want.Stride, jpiv)
-                       want.Rows = mo
-                       want.Data = want.Data[test.offset*want.Stride:]
-                       if !equalApproxGeneral(got, want, 1e-12) {
-                               t.Errorf("Case %v,  Q*R != A*P\nQ*R=%v\nA*P=%v", ti, got, want)
-                       }
-               }
-       }
-}