cplx5.go

     1  // run
     2  
     3  // Copyright 2010 The Go Authors. All rights reserved.
     4  // Use of this source code is governed by a BSD-style
     5  // license that can be found in the LICENSE file.
     6  
     7  // Test compound types made of complex numbers.
     8  
     9  package main
    10  
    11  var a [12]complex128
    12  var s []complex128
    13  var c chan complex128
    14  var f struct {
    15  	c complex128
    16  }
    17  var m map[complex128]complex128
    18  
    19  func main() {
    20  	// array of complex128
    21  	for i := 0; i < len(a); i++ {
    22  		a[i] = complex(float64(i), float64(-i))
    23  	}
    24  	if a[5] != 5-5i {
    25  		panic(a[5])
    26  	}
    27  
    28  	// slice of complex128
    29  	s = make([]complex128, len(a))
    30  	for i := 0; i < len(s); i++ {
    31  		s[i] = a[i]
    32  	}
    33  	if s[5] != 5-5i {
    34  		panic(s[5])
    35  	}
    36  
    37  	// chan
    38  	c = make(chan complex128)
    39  	go chantest(c)
    40  	vc := <-c
    41  	if vc != 5-5i {
    42  		panic(vc)
    43  	}
    44  
    45  	// pointer of complex128
    46  	v := a[5]
    47  	pv := &v
    48  	if *pv != 5-5i {
    49  		panic(*pv)
    50  	}
    51  
    52  	// field of complex128
    53  	f.c = a[5]
    54  	if f.c != 5-5i {
    55  		panic(f.c)
    56  	}
    57  
    58  	// map of complex128
    59  	m = make(map[complex128]complex128)
    60  	for i := 0; i < len(s); i++ {
    61  		m[-a[i]] = a[i]
    62  	}
    63  	if m[5i-5] != 5-5i {
    64  		panic(m[5i-5])
    65  	}
    66  	vm := m[complex(-5, 5)]
    67  	if vm != 5-5i {
    68  		panic(vm)
    69  	}
    70  }
    71  
    72  func chantest(c chan complex128) { c <- a[5] }
    73
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