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// Copyright ©2017 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 gonum
import (
"fmt"
"testing"
"golang.org/x/exp/rand"
"gonum.org/v1/gonum/blas"
)
var benchSinkZ []complex128
func BenchmarkZher(b *testing.B) {
for _, uplo := range []blas.Uplo{blas.Upper, blas.Lower} {
for _, n := range []int{10, 100, 1000, 10000} {
for _, inc := range []int{1, 10, 1000} {
benchmarkZher(b, uplo, n, inc)
}
}
}
}
func benchmarkZher(b *testing.B, uplo blas.Uplo, n, inc int) {
b.Run(fmt.Sprintf("Uplo%d-N%d-Inc%d", uplo, n, inc), func(b *testing.B) {
rnd := rand.New(rand.NewSource(1))
alpha := rnd.NormFloat64()
x := make([]complex128, (n-1)*inc+1)
for i := range x {
x[i] = complex(rnd.NormFloat64(), rnd.NormFloat64())
}
a := make([]complex128, len(benchSinkZ))
for i := range a {
a[i] = complex(rnd.NormFloat64(), rnd.NormFloat64())
}
benchSinkZ = make([]complex128, n*n)
copy(benchSinkZ, a)
b.ResetTimer()
for i := 0; i < b.N; i++ {
impl.Zher(uplo, n, alpha, x, inc, benchSinkZ, n)
copy(benchSinkZ, a)
}
})
}
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