go cplx5 源码
golang cplx5 代码
文件路径：/test/ken/cplx5.go
// run
// 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.
// Test compound types made of complex numbers.
package main
var a [12]complex128
var s []complex128
var c chan complex128
var f struct {
c complex128
}
var m map[complex128]complex128
func main() {
// array of complex128
for i := 0; i < len(a); i++ {
a[i] = complex(float64(i), float64(-i))
}
if a[5] != 5-5i {
panic(a[5])
}
// slice of complex128
s = make([]complex128, len(a))
for i := 0; i < len(s); i++ {
s[i] = a[i]
}
if s[5] != 5-5i {
panic(s[5])
}
// chan
c = make(chan complex128)
go chantest(c)
vc := <-c
if vc != 5-5i {
panic(vc)
}
// pointer of complex128
v := a[5]
pv := &v
if *pv != 5-5i {
panic(*pv)
}
// field of complex128
f.c = a[5]
if f.c != 5-5i {
panic(f.c)
}
// map of complex128
m = make(map[complex128]complex128)
for i := 0; i < len(s); i++ {
m[-a[i]] = a[i]
}
if m[5i-5] != 5-5i {
panic(m[5i-5])
}
vm := m[complex(-5, 5)]
if vm != 5-5i {
panic(vm)
}
}
func chantest(c chan complex128) { c <- a[5] }
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