go/test/ken/cplx4.go
Russ Cox f2b5a07453 delete float, complex - code changes
also:
	cmplx -> complex
	float64(1.0) -> 1.0
	float64(1) -> 1.0

R=gri, r, gri1, r2
CC=golang-dev
https://golang.org/cl/3991043
2011-01-19 23:09:00 -05:00

44 lines
786 B
Go

// $G $D/$F.go && $L $F.$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.
package main
import "fmt"
const (
R = 5
I = 6i
C1 = R + I // ADD(5,6)
)
func doprint(c complex128) { fmt.Printf("c = %f\n", c) }
func main() {
// constants
fmt.Printf("c = %f\n", -C1)
doprint(C1)
// variables
c1 := C1
fmt.Printf("c = %f\n", c1)
doprint(c1)
// 128
c2 := complex128(C1)
fmt.Printf("c = %G\n", c2)
// real, imag, complex
c3 := complex(real(c2)+3, imag(c2)-5) + c2
fmt.Printf("c = %G\n", c3)
// compiler used to crash on nested divide
c4 := complex(real(c3/2), imag(c3/2))
if c4 != c3/2 {
fmt.Printf("BUG: c3 = %G != c4 = %G\n", c3, c4)
}
}