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go/test/cmplxdivide.go
Emmanuel Odeke 53fd522c0d all: make copyright headers consistent with one space after period
Follows suit with https://go-review.googlesource.com/#/c/20111.

Generated by running
$ grep -R 'Go Authors.  All' * | cut -d":" -f1 | while read F;do perl -pi -e 's/Go
Authors.  All/Go Authors. All/g' $F;done

The code in cmd/internal/unvendor wasn't changed.

Fixes #15213

Change-Id: I4f235cee0a62ec435f9e8540a1ec08ae03b1a75f
Reviewed-on: https://go-review.googlesource.com/21819
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2016-05-02 13:43:18 +00:00

53 lines
957 B
Go

// run cmplxdivide1.go
// 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
// For details, see the comment at the top of in cmplxdivide.c.
package main
import (
"fmt"
"math"
"math/cmplx"
)
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 cmplx.IsInf(a) && cmplx.IsInf(b):
return true
case cmplx.IsNaN(a) && cmplx.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)
}
}
if bad {
panic("cmplxdivide failed.")
}
}