gonum.org/v1/gonum@v0.14.0/blas/testblas/zgerc.go (about)

     1  // Copyright ©2017 The Gonum Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package testblas
     6  
     7  import (
     8  	"testing"
     9  )
    10  
    11  type Zgercer interface {
    12  	Zgerc(m, n int, alpha complex128, x []complex128, incX int, y []complex128, incY int, a []complex128, lda int)
    13  }
    14  
    15  func ZgercTest(t *testing.T, impl Zgercer) {
    16  	for tc, test := range []struct {
    17  		alpha complex128
    18  		x     []complex128
    19  		incX  int
    20  		y     []complex128
    21  		incY  int
    22  		a     []complex128
    23  
    24  		want []complex128
    25  	}{
    26  		{
    27  			incX:  1,
    28  			incY:  1,
    29  			alpha: 1 + 2i,
    30  		},
    31  		{
    32  			incX:  1,
    33  			incY:  1,
    34  			alpha: 1 + 2i,
    35  			x:     []complex128{1 + 13i, 18 + 15i, 10 + 18i},
    36  			y:     []complex128{15 + 12i, 4 + 8i, 5 + 16i, 19 + 12i},
    37  			a: []complex128{
    38  				10 + 9i, 6 + 17i, 3 + 10i, 6 + 7i,
    39  				3 + 4i, 11 + 16i, 5 + 14i, 11 + 18i,
    40  				18 + 6i, 4 + 1i, 13 + 2i, 14 + 3i},
    41  			want: []complex128{
    42  				-185 + 534i, 26 + 277i, 118 + 485i, -289 + 592i,
    43  				435 + 913i, 371 + 316i, 761 + 461i, 395 + 1131i,
    44  				84 + 888i, 204 + 361i, 491 + 608i, -24 + 1037i},
    45  		},
    46  		{
    47  			incX:  7,
    48  			incY:  13,
    49  			alpha: 1 + 2i,
    50  			x:     []complex128{1 + 13i, 18 + 15i, 10 + 18i},
    51  			y:     []complex128{15 + 12i, 4 + 8i, 5 + 16i, 19 + 12i},
    52  			a: []complex128{
    53  				10 + 9i, 6 + 17i, 3 + 10i, 6 + 7i,
    54  				3 + 4i, 11 + 16i, 5 + 14i, 11 + 18i,
    55  				18 + 6i, 4 + 1i, 13 + 2i, 14 + 3i},
    56  			want: []complex128{
    57  				-185 + 534i, 26 + 277i, 118 + 485i, -289 + 592i,
    58  				435 + 913i, 371 + 316i, 761 + 461i, 395 + 1131i,
    59  				84 + 888i, 204 + 361i, 491 + 608i, -24 + 1037i},
    60  		},
    61  		{
    62  			incX:  -7,
    63  			incY:  -13,
    64  			alpha: 1 + 2i,
    65  			x:     []complex128{10 + 18i, 18 + 15i, 1 + 13i},
    66  			y:     []complex128{19 + 12i, 5 + 16i, 4 + 8i, 15 + 12i},
    67  			a: []complex128{
    68  				10 + 9i, 6 + 17i, 3 + 10i, 6 + 7i,
    69  				3 + 4i, 11 + 16i, 5 + 14i, 11 + 18i,
    70  				18 + 6i, 4 + 1i, 13 + 2i, 14 + 3i},
    71  			want: []complex128{
    72  				-185 + 534i, 26 + 277i, 118 + 485i, -289 + 592i,
    73  				435 + 913i, 371 + 316i, 761 + 461i, 395 + 1131i,
    74  				84 + 888i, 204 + 361i, 491 + 608i, -24 + 1037i},
    75  		},
    76  		{
    77  			incX:  1,
    78  			incY:  1,
    79  			alpha: 1 + 2i,
    80  			x:     []complex128{5 + 16i, 12 + 19i, 9 + 7i, 2 + 4i},
    81  			y:     []complex128{18 + 7i, 20 + 15i, 12 + 14i},
    82  			a: []complex128{
    83  				11 + 4i, 17 + 18i, 7 + 13i,
    84  				14 + 20i, 14 + 10i, 7 + 5i,
    85  				7 + 17i, 10 + 6i, 11 + 13i,
    86  				7 + 6i, 19 + 16i, 8 + 8i,
    87  			},
    88  			want: []complex128{
    89  				-293 + 661i, -133 + 943i, 47 + 703i,
    90  				-153 + 976i, 139 + 1260i, 297 + 885i,
    91  				92 + 502i, 285 + 581i, 301 + 383i,
    92  				-45 + 192i, 19 + 266i, 48 + 188i,
    93  			},
    94  		},
    95  		{
    96  			incX:  7,
    97  			incY:  13,
    98  			alpha: 1 + 2i,
    99  			x:     []complex128{5 + 16i, 12 + 19i, 9 + 7i, 2 + 4i},
   100  			y:     []complex128{18 + 7i, 20 + 15i, 12 + 14i},
   101  			a: []complex128{
   102  				11 + 4i, 17 + 18i, 7 + 13i,
   103  				14 + 20i, 14 + 10i, 7 + 5i,
   104  				7 + 17i, 10 + 6i, 11 + 13i,
   105  				7 + 6i, 19 + 16i, 8 + 8i,
   106  			},
   107  			want: []complex128{
   108  				-293 + 661i, -133 + 943i, 47 + 703i,
   109  				-153 + 976i, 139 + 1260i, 297 + 885i,
   110  				92 + 502i, 285 + 581i, 301 + 383i,
   111  				-45 + 192i, 19 + 266i, 48 + 188i,
   112  			},
   113  		},
   114  		{
   115  			incX:  -7,
   116  			incY:  -13,
   117  			alpha: 1 + 2i,
   118  			x:     []complex128{2 + 4i, 9 + 7i, 12 + 19i, 5 + 16i},
   119  			y:     []complex128{12 + 14i, 20 + 15i, 18 + 7i},
   120  			a: []complex128{
   121  				11 + 4i, 17 + 18i, 7 + 13i,
   122  				14 + 20i, 14 + 10i, 7 + 5i,
   123  				7 + 17i, 10 + 6i, 11 + 13i,
   124  				7 + 6i, 19 + 16i, 8 + 8i,
   125  			},
   126  			want: []complex128{
   127  				-293 + 661i, -133 + 943i, 47 + 703i,
   128  				-153 + 976i, 139 + 1260i, 297 + 885i,
   129  				92 + 502i, 285 + 581i, 301 + 383i,
   130  				-45 + 192i, 19 + 266i, 48 + 188i,
   131  			},
   132  		},
   133  		{
   134  			incX:  -7,
   135  			incY:  -13,
   136  			alpha: 0,
   137  			x:     []complex128{2 + 4i, 9 + 7i, 12 + 19i, 5 + 16i},
   138  			y:     []complex128{12 + 14i, 20 + 15i, 18 + 7i},
   139  			a: []complex128{
   140  				11 + 4i, 17 + 18i, 7 + 13i,
   141  				14 + 20i, 14 + 10i, 7 + 5i,
   142  				7 + 17i, 10 + 6i, 11 + 13i,
   143  				7 + 6i, 19 + 16i, 8 + 8i,
   144  			},
   145  			want: []complex128{
   146  				11 + 4i, 17 + 18i, 7 + 13i,
   147  				14 + 20i, 14 + 10i, 7 + 5i,
   148  				7 + 17i, 10 + 6i, 11 + 13i,
   149  				7 + 6i, 19 + 16i, 8 + 8i,
   150  			},
   151  		},
   152  	} {
   153  		m := len(test.x)
   154  		n := len(test.y)
   155  		incX := test.incX
   156  		incY := test.incY
   157  
   158  		for _, lda := range []int{max(1, n), n + 20} {
   159  			x := makeZVector(test.x, incX)
   160  			xCopy := make([]complex128, len(x))
   161  			copy(xCopy, x)
   162  
   163  			y := makeZVector(test.y, incY)
   164  			yCopy := make([]complex128, len(y))
   165  			copy(yCopy, y)
   166  
   167  			a := makeZGeneral(test.a, m, n, lda)
   168  			want := makeZGeneral(test.want, m, n, lda)
   169  
   170  			impl.Zgerc(m, n, test.alpha, x, incX, y, incY, a, lda)
   171  
   172  			if !zsame(x, xCopy) {
   173  				t.Errorf("Case %v: unexpected modification of x", tc)
   174  			}
   175  			if !zsame(y, yCopy) {
   176  				t.Errorf("Case %v: unexpected modification of y", tc)
   177  			}
   178  			if !zsame(want, a) {
   179  				t.Errorf("Case %v: unexpected result\nwant %v\ngot %v", tc, want, a)
   180  			}
   181  		}
   182  	}
   183  }