1 // run cmplxdivide1.go 2 3 // Copyright 2010 The Go Authors. All rights reserved. 4 // Use of this source code is governed by a BSD-style 5 // license that can be found in the LICENSE file. 6 7 // Driver for complex division table defined in cmplxdivide1.go 8 // For details, see the comment at the top of in cmplxdivide.c. 9 10 package main 11 12 import ( 13 "fmt" 14 "math" 15 "math/cmplx" 16 ) 17 18 type Test struct { 19 f, g complex128 20 out complex128 21 } 22 23 var nan = math.NaN() 24 var inf = math.Inf(1) 25 var negzero = math.Copysign(0, -1) 26 27 func calike(a, b complex128) bool { 28 switch { 29 case cmplx.IsInf(a) && cmplx.IsInf(b): 30 return true 31 case cmplx.IsNaN(a) && cmplx.IsNaN(b): 32 return true 33 } 34 return a == b 35 } 36 37 func main() { 38 bad := false 39 for _, t := range tests { 40 x := t.f / t.g 41 if !calike(x, t.out) { 42 if !bad { 43 fmt.Printf("BUG\n") 44 bad = true 45 } 46 fmt.Printf("%v/%v: expected %v error; got %v\n", t.f, t.g, t.out, x) 47 } 48 } 49 if bad { 50 panic("cmplxdivide failed.") 51 } 52 } 53
