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runtime: add benchmark for complex128 division
R=golang-dev, dave, rsc CC=golang-dev, minux.ma https://golang.org/cl/6070043
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57
src/pkg/runtime/complex_test.go
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57
src/pkg/runtime/complex_test.go
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// Copyright 2012 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package runtime_test
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import (
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"math/cmplx"
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"testing"
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)
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var result complex128
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func BenchmarkComplex128DivNormal(b *testing.B) {
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d := 15 + 2i
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n := 32 + 3i
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for i := 0; i < b.N; i++ {
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n += n / d
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}
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result = n
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}
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func BenchmarkComplex128DivNisNaN(b *testing.B) {
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d := cmplx.NaN()
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n := 32 + 3i
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for i := 0; i < b.N; i++ {
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n += n / d
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}
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result = n
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}
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func BenchmarkComplex128DivDisNaN(b *testing.B) {
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d := 15 + 2i
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n := cmplx.NaN()
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for i := 0; i < b.N; i++ {
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n += n / d
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}
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result = n
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}
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func BenchmarkComplex128DivNisInf(b *testing.B) {
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d := 15 + 2i
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n := cmplx.Inf()
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for i := 0; i < b.N; i++ {
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n += n / d
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}
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result = n
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}
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func BenchmarkComplex128DivDisInf(b *testing.B) {
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d := cmplx.Inf()
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n := 32 + 3i
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for i := 0; i < b.N; i++ {
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n += n / d
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}
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result = n
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}
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