go/test/ken/cplx4.go
Ken Thompson 2edb02b41e 1. decommit complex(float) conversion
2. add complex algorithm for map/chan
3. test for use of complex in
   array, slice, field, chan, map,
   field, pointer.

R=rsc
CC=golang-dev
https://golang.org/cl/384041
2010-03-09 17:51:30 -08:00

39 lines
625 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 complex) { 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, cmplx
c3 := cmplx(real(c2)+3, imag(c2)-5) + c2
fmt.Printf("c = %G\n", c3)
}