--- /dev/null
+// Code generated by "go generate gonum.org/v1/gonum/blas”; DO NOT EDIT.
+
+// 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 cblas128
+
+import (
+ math "math/cmplx"
+ "testing"
+
+ "gonum.org/v1/gonum/blas"
+)
+
+func newSymmetricFrom(a SymmetricCols) Symmetric {
+ t := Symmetric{
+ N: a.N,
+ Stride: a.N,
+ Data: make([]complex128, a.N*a.N),
+ Uplo: a.Uplo,
+ }
+ t.From(a)
+ return t
+}
+
+func (m Symmetric) n() int { return m.N }
+func (m Symmetric) at(i, j int) complex128 {
+ if m.Uplo == blas.Lower && i < j && j < m.N {
+ i, j = j, i
+ }
+ if m.Uplo == blas.Upper && i > j {
+ i, j = j, i
+ }
+ return m.Data[i*m.Stride+j]
+}
+func (m Symmetric) uplo() blas.Uplo { return m.Uplo }
+
+func newSymmetricColsFrom(a Symmetric) SymmetricCols {
+ t := SymmetricCols{
+ N: a.N,
+ Stride: a.N,
+ Data: make([]complex128, a.N*a.N),
+ Uplo: a.Uplo,
+ }
+ t.From(a)
+ return t
+}
+
+func (m SymmetricCols) n() int { return m.N }
+func (m SymmetricCols) at(i, j int) complex128 {
+ if m.Uplo == blas.Lower && i < j {
+ i, j = j, i
+ }
+ if m.Uplo == blas.Upper && i > j && i < m.N {
+ i, j = j, i
+ }
+ return m.Data[i+j*m.Stride]
+}
+func (m SymmetricCols) uplo() blas.Uplo { return m.Uplo }
+
+type symmetric interface {
+ n() int
+ at(i, j int) complex128
+ uplo() blas.Uplo
+}
+
+func sameSymmetric(a, b symmetric) bool {
+ an := a.n()
+ bn := b.n()
+ if an != bn {
+ return false
+ }
+ if a.uplo() != b.uplo() {
+ return false
+ }
+ for i := 0; i < an; i++ {
+ for j := 0; j < an; j++ {
+ if a.at(i, j) != b.at(i, j) || math.IsNaN(a.at(i, j)) != math.IsNaN(b.at(i, j)) {
+ return false
+ }
+ }
+ }
+ return true
+}
+
+var symmetricTests = []Symmetric{
+ {N: 3, Stride: 3, Data: []complex128{
+ 1, 2, 3,
+ 4, 5, 6,
+ 7, 8, 9,
+ }},
+ {N: 3, Stride: 5, Data: []complex128{
+ 1, 2, 3, 0, 0,
+ 4, 5, 6, 0, 0,
+ 7, 8, 9, 0, 0,
+ }},
+}
+
+func TestConvertSymmetric(t *testing.T) {
+ for _, test := range symmetricTests {
+ for _, uplo := range []blas.Uplo{blas.Upper, blas.Lower} {
+ test.Uplo = uplo
+ colmajor := newSymmetricColsFrom(test)
+ if !sameSymmetric(colmajor, test) {
+ t.Errorf("unexpected result for row major to col major conversion:\n\tgot: %#v\n\tfrom:%#v",
+ colmajor, test)
+ }
+ rowmajor := newSymmetricFrom(colmajor)
+ if !sameSymmetric(rowmajor, test) {
+ t.Errorf("unexpected result for col major to row major conversion:\n\tgot: %#v\n\twant:%#v",
+ rowmajor, test)
+ }
+ }
+ }
+}
+func newSymmetricBandFrom(a SymmetricBandCols) SymmetricBand {
+ t := SymmetricBand{
+ N: a.N,
+ K: a.K,
+ Stride: a.K + 1,
+ Data: make([]complex128, a.N*(a.K+1)),
+ Uplo: a.Uplo,
+ }
+ for i := range t.Data {
+ t.Data[i] = math.NaN()
+ }
+ t.From(a)
+ return t
+}
+
+func (m SymmetricBand) n() (n int) { return m.N }
+func (m SymmetricBand) at(i, j int) complex128 {
+ b := Band{
+ Rows: m.N, Cols: m.N,
+ Stride: m.Stride,
+ Data: m.Data,
+ }
+ switch m.Uplo {
+ default:
+ panic("cblas128: bad BLAS uplo")
+ case blas.Upper:
+ b.KU = m.K
+ if i > j {
+ i, j = j, i
+ }
+ case blas.Lower:
+ b.KL = m.K
+ if i < j {
+ i, j = j, i
+ }
+ }
+ return b.at(i, j)
+}
+func (m SymmetricBand) bandwidth() (k int) { return m.K }
+func (m SymmetricBand) uplo() blas.Uplo { return m.Uplo }
+
+func newSymmetricBandColsFrom(a SymmetricBand) SymmetricBandCols {
+ t := SymmetricBandCols{
+ N: a.N,
+ K: a.K,
+ Stride: a.K + 1,
+ Data: make([]complex128, a.N*(a.K+1)),
+ Uplo: a.Uplo,
+ }
+ for i := range t.Data {
+ t.Data[i] = math.NaN()
+ }
+ t.From(a)
+ return t
+}
+
+func (m SymmetricBandCols) n() (n int) { return m.N }
+func (m SymmetricBandCols) at(i, j int) complex128 {
+ b := BandCols{
+ Rows: m.N, Cols: m.N,
+ Stride: m.Stride,
+ Data: m.Data,
+ }
+ switch m.Uplo {
+ default:
+ panic("cblas128: bad BLAS uplo")
+ case blas.Upper:
+ b.KU = m.K
+ if i > j {
+ i, j = j, i
+ }
+ case blas.Lower:
+ b.KL = m.K
+ if i < j {
+ i, j = j, i
+ }
+ }
+ return b.at(i, j)
+}
+func (m SymmetricBandCols) bandwidth() (k int) { return m.K }
+func (m SymmetricBandCols) uplo() blas.Uplo { return m.Uplo }
+
+type symmetricBand interface {
+ n() (n int)
+ at(i, j int) complex128
+ bandwidth() (k int)
+ uplo() blas.Uplo
+}
+
+func sameSymmetricBand(a, b symmetricBand) bool {
+ an := a.n()
+ bn := b.n()
+ if an != bn {
+ return false
+ }
+ if a.uplo() != b.uplo() {
+ return false
+ }
+ ak := a.bandwidth()
+ bk := b.bandwidth()
+ if ak != bk {
+ return false
+ }
+ for i := 0; i < an; i++ {
+ for j := 0; j < an; j++ {
+ if a.at(i, j) != b.at(i, j) || math.IsNaN(a.at(i, j)) != math.IsNaN(b.at(i, j)) {
+ return false
+ }
+ }
+ }
+ return true
+}
+
+var symmetricBandTests = []SymmetricBand{
+ {N: 3, K: 0, Stride: 1, Uplo: blas.Upper, Data: []complex128{
+ 1,
+ 2,
+ 3,
+ }},
+ {N: 3, K: 0, Stride: 1, Uplo: blas.Lower, Data: []complex128{
+ 1,
+ 2,
+ 3,
+ }},
+ {N: 3, K: 1, Stride: 2, Uplo: blas.Upper, Data: []complex128{
+ 1, 2,
+ 3, 4,
+ 5, -1,
+ }},
+ {N: 3, K: 1, Stride: 2, Uplo: blas.Lower, Data: []complex128{
+ -1, 1,
+ 2, 3,
+ 4, 5,
+ }},
+ {N: 3, K: 2, Stride: 3, Uplo: blas.Upper, Data: []complex128{
+ 1, 2, 3,
+ 4, 5, -1,
+ 6, -2, -3,
+ }},
+ {N: 3, K: 2, Stride: 3, Uplo: blas.Lower, Data: []complex128{
+ -2, -1, 1,
+ -3, 2, 4,
+ 3, 5, 6,
+ }},
+
+ {N: 3, K: 0, Stride: 5, Uplo: blas.Upper, Data: []complex128{
+ 1, 0, 0, 0, 0,
+ 2, 0, 0, 0, 0,
+ 3, 0, 0, 0, 0,
+ }},
+ {N: 3, K: 0, Stride: 5, Uplo: blas.Lower, Data: []complex128{
+ 1, 0, 0, 0, 0,
+ 2, 0, 0, 0, 0,
+ 3, 0, 0, 0, 0,
+ }},
+ {N: 3, K: 1, Stride: 5, Uplo: blas.Upper, Data: []complex128{
+ 1, 2, 0, 0, 0,
+ 3, 4, 0, 0, 0,
+ 5, -1, 0, 0, 0,
+ }},
+ {N: 3, K: 1, Stride: 5, Uplo: blas.Lower, Data: []complex128{
+ -1, 1, 0, 0, 0,
+ 2, 3, 0, 0, 0,
+ 4, 5, 0, 0, 0,
+ }},
+ {N: 3, K: 2, Stride: 5, Uplo: blas.Upper, Data: []complex128{
+ 1, 2, 3, 0, 0,
+ 4, 5, -1, 0, 0,
+ 6, -2, -3, 0, 0,
+ }},
+ {N: 3, K: 2, Stride: 5, Uplo: blas.Lower, Data: []complex128{
+ -2, -1, 1, 0, 0,
+ -3, 2, 4, 0, 0,
+ 3, 5, 6, 0, 0,
+ }},
+}
+
+func TestConvertSymBand(t *testing.T) {
+ for _, test := range symmetricBandTests {
+ colmajor := newSymmetricBandColsFrom(test)
+ if !sameSymmetricBand(colmajor, test) {
+ t.Errorf("unexpected result for row major to col major conversion:\n\tgot: %#v\n\tfrom:%#v",
+ colmajor, test)
+ }
+ rowmajor := newSymmetricBandFrom(colmajor)
+ if !sameSymmetricBand(rowmajor, test) {
+ t.Errorf("unexpected result for col major to row major conversion:\n\tgot: %#v\n\twant:%#v",
+ rowmajor, test)
+ }
+ }
+}
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