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go/test/ken/cplx5.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

55 lines
921 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
var a [12]complex
var s []complex
var c chan complex
var f struct {
c complex
}
var m map[complex]complex
func main() {
// array of complex
for i := 0; i < len(a); i++ {
a[i] = cmplx(float(i), float(-i))
}
println(a[5])
// slice of complex
s = make([]complex, len(a))
for i := 0; i < len(s); i++ {
s[i] = a[i]
}
println(s[5])
// chan
c = make(chan complex)
go chantest(c)
println(<-c)
// pointer of complex
v := a[5]
pv := &v
println(*pv)
// field of complex
f.c = a[5]
println(f.c)
// map of complex
m = make(map[complex]complex)
for i := 0; i < len(s); i++ {
m[-a[i]] = a[i]
}
println(m[5i-5])
println(m[cmplx(-5, 5)])
}
func chantest(c chan complex) { c <- a[5] }