complex_test.go

Documentation: runtime

		 1  // Copyright 2012 The Go Authors. All rights reserved.
		 2  // Use of this source code is governed by a BSD-style
		 3  // license that can be found in the LICENSE file.
		 4  
		 5  package runtime_test
		 6  
		 7  import (
		 8  	"math/cmplx"
		 9  	"testing"
		10  )
		11  
		12  var result complex128
		13  
		14  func BenchmarkComplex128DivNormal(b *testing.B) {
		15  	d := 15 + 2i
		16  	n := 32 + 3i
		17  	res := 0i
		18  	for i := 0; i < b.N; i++ {
		19  		n += 0.1i
		20  		res += n / d
		21  	}
		22  	result = res
		23  }
		24  
		25  func BenchmarkComplex128DivNisNaN(b *testing.B) {
		26  	d := cmplx.NaN()
		27  	n := 32 + 3i
		28  	res := 0i
		29  	for i := 0; i < b.N; i++ {
		30  		n += 0.1i
		31  		res += n / d
		32  	}
		33  	result = res
		34  }
		35  
		36  func BenchmarkComplex128DivDisNaN(b *testing.B) {
		37  	d := 15 + 2i
		38  	n := cmplx.NaN()
		39  	res := 0i
		40  	for i := 0; i < b.N; i++ {
		41  		d += 0.1i
		42  		res += n / d
		43  	}
		44  	result = res
		45  }
		46  
		47  func BenchmarkComplex128DivNisInf(b *testing.B) {
		48  	d := 15 + 2i
		49  	n := cmplx.Inf()
		50  	res := 0i
		51  	for i := 0; i < b.N; i++ {
		52  		d += 0.1i
		53  		res += n / d
		54  	}
		55  	result = res
		56  }
		57  
		58  func BenchmarkComplex128DivDisInf(b *testing.B) {
		59  	d := cmplx.Inf()
		60  	n := 32 + 3i
		61  	res := 0i
		62  	for i := 0; i < b.N; i++ {
		63  		n += 0.1i
		64  		res += n / d
		65  	}
		66  	result = res
		67  }
		68
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