1
0
mirror of https://github.com/golang/go synced 2024-11-19 01:34:40 -07:00
go/test/cmplxdivide.go
Kai Backman 36057e721e more soft float support. passes several basic tests
but with less precision than hardware counterparts.

fixed a number of tests to output BUG when they failed.
changed the runner to distinghuish between output
and output containing ^BUG

R=rsc
CC=dho, golang-dev
https://golang.org/cl/1778041
2010-07-20 15:53:16 +03:00

49 lines
879 B
Go

// $G $D/$F.go $D/cmplxdivide1.go && $L $D/$F.$A && ./$A.out
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Driver for complex division table defined in cmplxdivide1.go
package main
import (
"cmath"
"fmt"
"math"
)
type Test struct{
f, g complex128
out complex128
}
var nan = math.NaN()
var inf = math.Inf(1)
var negzero = math.Copysign(0, -1)
func calike(a, b complex128) bool {
switch {
case cmath.IsInf(a) && cmath.IsInf(b):
return true
case cmath.IsNaN(a) && cmath.IsNaN(b):
return true
}
return a == b
}
func main() {
bad := false
for _, t := range tests {
x := t.f/t.g
if !calike(x, t.out) {
if !bad {
fmt.Printf("BUG\n")
bad = true
}
fmt.Printf("%v/%v: expected %v error; got %v\n", t.f, t.g, t.out, x)
}
}
}