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Source file test/cmplxdivide.go

Documentation: test

  // 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.")
  	}
  }
  

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