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testlapack: use f64.L2NormUnitary in dlange helper

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This commit is contained in:
Vladimir Chalupecky
2020-08-13 15:55:43 +02:00
committed by Vladimír Chalupecký
parent 8a55f67cf4
commit b5dc2156b0
1 changed files with 3 additions and 3 deletions
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6
lapack/testlapack/general.go
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@@ -14,6 +14,7 @@ import (
"gonum.org/v1/gonum/blas" "gonum.org/v1/gonum/blas"
"gonum.org/v1/gonum/blas/blas64" "gonum.org/v1/gonum/blas/blas64"
"gonum.org/v1/gonum/internal/asm/f64"
"gonum.org/v1/gonum/lapack" "gonum.org/v1/gonum/lapack"
) )
@@ -1478,9 +1479,8 @@ func dlange(norm lapack.MatrixNorm, m, n int, a []float64, lda int) float64 {
} }
case lapack.Frobenius: case lapack.Frobenius:
for i := 0; i < m; i++ { for i := 0; i < m; i++ {
for j := 0; j < n; j++ { row := f64.L2NormUnitary(a[i*lda : i*lda+n])
value = math.Hypot(value, a[i*lda+j]) value = math.Hypot(value, row)
}
} }
default: default:
panic("bad MatrixNorm") panic("bad MatrixNorm")