forked from openshift/origin
/
dtxmv.go
145 lines (135 loc) · 3.82 KB
/
dtxmv.go
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package testblas
import (
"testing"
"github.com/gonum/blas"
)
type Dtxmver interface {
Dtrmv(ul blas.Uplo, tA blas.Transpose, d blas.Diag, n int, a []float64, lda int, x []float64, incX int)
Dtbmv(ul blas.Uplo, tA blas.Transpose, d blas.Diag, n, k int, a []float64, lda int, x []float64, incX int)
Dtpmv(ul blas.Uplo, tA blas.Transpose, d blas.Diag, n int, a []float64, x []float64, incX int)
}
type vec struct {
data []float64
inc int
}
var cases = []struct {
n, k int
ul blas.Uplo
d blas.Diag
ldab int
tr, tb, tp []float64
ins []vec
solNoTrans []float64
solTrans []float64
}{
{
n: 3,
k: 1,
ul: blas.Upper,
d: blas.NonUnit,
tr: []float64{1, 2, 0, 0, 3, 4, 0, 0, 5},
tb: []float64{1, 2, 3, 4, 5, 0},
ldab: 2,
tp: []float64{1, 2, 0, 3, 4, 5},
ins: []vec{
{[]float64{2, 3, 4}, 1},
{[]float64{2, 1, 3, 1, 4}, 2},
{[]float64{4, 1, 3, 1, 2}, -2},
},
solNoTrans: []float64{8, 25, 20},
solTrans: []float64{2, 13, 32},
},
{
n: 3,
k: 1,
ul: blas.Upper,
d: blas.Unit,
tr: []float64{1, 2, 0, 0, 3, 4, 0, 0, 5},
tb: []float64{1, 2, 3, 4, 5, 0},
ldab: 2,
tp: []float64{1, 2, 0, 3, 4, 5},
ins: []vec{
{[]float64{2, 3, 4}, 1},
{[]float64{2, 1, 3, 1, 4}, 2},
{[]float64{4, 1, 3, 1, 2}, -2},
},
solNoTrans: []float64{8, 19, 4},
solTrans: []float64{2, 7, 16},
},
{
n: 3,
k: 1,
ul: blas.Lower,
d: blas.NonUnit,
tr: []float64{1, 0, 0, 2, 3, 0, 0, 4, 5},
tb: []float64{0, 1, 2, 3, 4, 5},
ldab: 2,
tp: []float64{1, 2, 3, 0, 4, 5},
ins: []vec{
{[]float64{2, 3, 4}, 1},
{[]float64{2, 1, 3, 1, 4}, 2},
{[]float64{4, 1, 3, 1, 2}, -2},
},
solNoTrans: []float64{2, 13, 32},
solTrans: []float64{8, 25, 20},
},
{
n: 3,
k: 1,
ul: blas.Lower,
d: blas.Unit,
tr: []float64{1, 0, 0, 2, 3, 0, 0, 4, 5},
tb: []float64{0, 1, 2, 3, 4, 5},
ldab: 2,
tp: []float64{1, 2, 3, 0, 4, 5},
ins: []vec{
{[]float64{2, 3, 4}, 1},
{[]float64{2, 1, 3, 1, 4}, 2},
{[]float64{4, 1, 3, 1, 2}, -2},
},
solNoTrans: []float64{2, 7, 16},
solTrans: []float64{8, 19, 4},
},
}
func DtxmvTest(t *testing.T, blasser Dtxmver) {
for nc, c := range cases {
for nx, x := range c.ins {
in := make([]float64, len(x.data))
copy(in, x.data)
blasser.Dtrmv(c.ul, blas.NoTrans, c.d, c.n, c.tr, c.n, in, x.inc)
if !dStridedSliceTolEqual(c.n, in, x.inc, c.solNoTrans, 1) {
t.Error("Wrong Dtrmv result for: NoTrans in Case:", nc, "input:", nx)
}
in = make([]float64, len(x.data))
copy(in, x.data)
blasser.Dtrmv(c.ul, blas.Trans, c.d, c.n, c.tr, c.n, in, x.inc)
if !dStridedSliceTolEqual(c.n, in, x.inc, c.solTrans, 1) {
t.Error("Wrong Dtrmv result for: Trans in Case:", nc, "input:", nx)
}
in = make([]float64, len(x.data))
copy(in, x.data)
blasser.Dtbmv(c.ul, blas.NoTrans, c.d, c.n, c.k, c.tb, c.ldab, in, x.inc)
if !dStridedSliceTolEqual(c.n, in, x.inc, c.solNoTrans, 1) {
t.Error("Wrong Dtbmv result for: NoTrans in Case:", nc, "input:", nx)
}
in = make([]float64, len(x.data))
copy(in, x.data)
blasser.Dtbmv(c.ul, blas.Trans, c.d, c.n, c.k, c.tb, c.ldab, in, x.inc)
if !dStridedSliceTolEqual(c.n, in, x.inc, c.solTrans, 1) {
t.Error("Wrong Dtbmv result for: Trans in Case:", nc, "input:", nx)
}
in = make([]float64, len(x.data))
copy(in, x.data)
blasser.Dtpmv(c.ul, blas.NoTrans, c.d, c.n, c.tp, in, x.inc)
if !dStridedSliceTolEqual(c.n, in, x.inc, c.solNoTrans, 1) {
t.Error("Wrong Dtpmv result for: NoTrans in Case:", nc, "input:", nx)
}
in = make([]float64, len(x.data))
copy(in, x.data)
blasser.Dtpmv(c.ul, blas.Trans, c.d, c.n, c.tp, in, x.inc)
if !dStridedSliceTolEqual(c.n, in, x.inc, c.solTrans, 1) {
t.Error("Wrong Dtpmv result for: Trans in Case:", nc, "input:", nx)
}
}
}
}