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https://github.com/golang/go
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aa45e52e74
we can't add the division result to n during iteration, because it might turn n into NaN or Inf. R=golang-dev, rsc, iant, iant CC=golang-dev https://golang.org/cl/6197045
68 lines
1.1 KiB
Go
68 lines
1.1 KiB
Go
// 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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res := 0i
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for i := 0; i < b.N; i++ {
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n += 0.1i
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res += n / d
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}
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result = res
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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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res := 0i
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for i := 0; i < b.N; i++ {
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n += 0.1i
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res += n / d
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}
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result = res
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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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res := 0i
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for i := 0; i < b.N; i++ {
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d += 0.1i
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res += n / d
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}
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result = res
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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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res := 0i
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for i := 0; i < b.N; i++ {
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d += 0.1i
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res += n / d
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}
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result = res
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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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res := 0i
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for i := 0; i < b.N; i++ {
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n += 0.1i
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res += n / d
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}
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result = res
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}
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