libgo/go/runtime/complex_test.go

   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 }