blas/testblas: add test for Ztpmv
ADD
blas/testblas/ztpmv.go
+package testblas
+
+import (
+ "testing"
+
+ "gonum.org/v1/gonum/blas"
+)
+
+type Ztpmver interface {
+ Ztpmv(uplo blas.Uplo, trans blas.Transpose, diag blas.Diag, n int, ap []complex128, x []complex128, incX int)
+}
+
+func ZtpmvTest(t *testing.T, impl Ztpmver) {
+ for tc, test := range ztrmvTestCases {
+ n := len(test.x)
+ uplo := test.uplo
+ for _, trans := range []blas.Transpose{blas.NoTrans, blas.Trans, blas.ConjTrans} {
+ for _, diag := range []blas.Diag{blas.NonUnit, blas.Unit} {
+ for _, incX := range []int{-11, -2, -1, 1, 2, 7} {
+ ap := zPack(uplo, n, test.a, n)
+ apCopy := make([]complex128, len(ap))
+ copy(apCopy, ap)
+
+ x := makeZVector(test.x, incX)
+
+ impl.Ztpmv(uplo, trans, diag, n, ap, x, incX)
+
+ if !zsame(ap, apCopy) {
+ t.Errorf("Case %v (uplo=%v,trans=%v,diag=%v,incX=%v): unexpected modification of A", tc, uplo, trans, diag, incX)
+ }
+
+ var want []complex128
+ if diag == blas.NonUnit {
+ switch {
+ case trans == blas.NoTrans && incX > 0:
+ want = makeZVector(test.want, incX)
+ case trans == blas.NoTrans && incX < 0:
+ want = makeZVector(test.wantNeg, incX)
+ case trans == blas.Trans && incX > 0:
+ want = makeZVector(test.wantTrans, incX)
+ case trans == blas.Trans && incX < 0:
+ want = makeZVector(test.wantTransNeg, incX)
+ case trans == blas.ConjTrans && incX > 0:
+ want = makeZVector(test.wantConjTrans, incX)
+ case trans == blas.ConjTrans && incX < 0:
+ want = makeZVector(test.wantConjTransNeg, incX)
+ }
+ } else {
+ switch {
+ case trans == blas.NoTrans && incX > 0:
+ want = makeZVector(test.wantUnit, incX)
+ case trans == blas.NoTrans && incX < 0:
+ want = makeZVector(test.wantUnitNeg, incX)
+ case trans == blas.Trans && incX > 0:
+ want = makeZVector(test.wantUnitTrans, incX)
+ case trans == blas.Trans && incX < 0:
+ want = makeZVector(test.wantUnitTransNeg, incX)
+ case trans == blas.ConjTrans && incX > 0:
+ want = makeZVector(test.wantUnitConjTrans, incX)
+ case trans == blas.ConjTrans && incX < 0:
+ want = makeZVector(test.wantUnitConjTransNeg, incX)
+ }
+ }
+ if !zsame(x, want) {
+ t.Errorf("Case %v (uplo=%v,trans=%v,diag=%v,incX=%v): unexpected result\nwant %v\ngot %v", tc, uplo, trans, diag, incX, want, x)
+ }
+ }
+ }
+ }
+ }
+}

blas/testblas: add test for Ztpmv