go/test/cmplxdivide.go

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// 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 cmplxdivide.c.
package main
import (
"fmt"
"math"
)
func calike(a, b complex128) bool {
if imag(a) != imag(b) && !(math.IsNaN(imag(a)) && math.IsNaN(imag(b))) {
return false
}
if real(a) != real(b) && !(math.IsNaN(real(a)) && math.IsNaN(real(b))) {
return false
}
return true
}
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.")
}
}