ReactOS 0.4.16-dev-197-g92996da
complex_io.cpp
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1/*
2 * Copyright (c) 1999
3 * Silicon Graphics Computer Systems, Inc.
4 *
5 * Copyright (c) 1999
6 * Boris Fomitchev
7 *
8 * This material is provided "as is", with absolutely no warranty expressed
9 * or implied. Any use is at your own risk.
10 *
11 * Permission to use or copy this software for any purpose is hereby granted
12 * without fee, provided the above notices are retained on all copies.
13 * Permission to modify the code and to distribute modified code is granted,
14 * provided the above notices are retained, and a notice that the code was
15 * modified is included with the above copyright notice.
16 *
17 */
18
19#include "stlport_prefix.h"
20
21#include <complex>
22#include <istream>
23
25
26// Specializations for narrow characters; lets us avoid the nuisance of
27// widening.
28_STLP_OPERATOR_SPEC
31{ return __os << '(' << (double)__z.real() << ',' << (double)__z.imag() << ')'; }
32
33_STLP_OPERATOR_SPEC
36{ return __os << '(' << __z.real() << ',' << __z.imag() << ')'; }
37
38#ifndef _STLP_NO_LONG_DOUBLE
39_STLP_OPERATOR_SPEC
42{ return __os << '(' << __z.real() << ',' << __z.imag() << ')'; }
43#endif
44
45// Specialization for narrow characters; lets us avoid widen.
46_STLP_OPERATOR_SPEC
49 float __re = 0;
50 float __im = 0;
51
52 char __c;
53
54 __is >> __c;
55 if (__c == '(') {
56 __is >> __re >> __c;
57 if (__c == ',')
58 __is >> __im >> __c;
59 if (__c != ')')
60 __is.setstate(ios_base::failbit);
61 }
62 else {
63 __is.putback(__c);
64 __is >> __re;
65 }
66
67 if (__is)
68 __z = complex<float>(__re, __im);
69 return __is;
70}
71
72_STLP_OPERATOR_SPEC
75 double __re = 0;
76 double __im = 0;
77
78 char __c;
79
80 __is >> __c;
81 if (__c == '(') {
82 __is >> __re >> __c;
83 if (__c == ',')
84 __is >> __im >> __c;
85 if (__c != ')')
86 __is.setstate(ios_base::failbit);
87 }
88 else {
89 __is.putback(__c);
90 __is >> __re;
91 }
92
93 if (__is)
94 __z = complex<double>(__re, __im);
95 return __is;
96}
97
98#ifndef _STLP_NO_LONG_DOUBLE
99_STLP_OPERATOR_SPEC
102 long double __re = 0;
103 long double __im = 0;
104
105 char __c;
106
107 __is >> __c;
108 if (__c == '(') {
109 __is >> __re >> __c;
110 if (__c == ',')
111 __is >> __im >> __c;
112 if (__c != ')')
113 __is.setstate(ios_base::failbit);
114 }
115 else {
116 __is.putback(__c);
117 __is >> __re;
118 }
119
120 if (__is)
121 __z = complex<long double>(__re, __im);
122 return __is;
123}
124#endif
125
126// Force instantiation of complex I/O functions
127#if !(defined (_STLP_NO_FORCE_INSTANTIATE) || defined (_STLP_NO_WCHAR_T))
128
131
134
135#ifndef _STLP_NO_LONG_DOUBLE
138
141#endif
142
145
148
149#endif /* _STLP_NO_WCHAR_T */
150
152
153
154// Local Variables:
155// mode:C++
156// End:
157
#define _STLP_CALL
Definition: _bc.h:131
_STLP_OPERATOR_SPEC basic_istream< char, char_traits< char > > &_STLP_CALL operator>>(basic_istream< char, char_traits< char > > &__is, complex< float > &__z)
Definition: complex_io.cpp:48
_STLP_BEGIN_NAMESPACE _STLP_OPERATOR_SPEC basic_ostream< char, char_traits< char > > &_STLP_CALL operator<<(basic_ostream< char, char_traits< char > > &__os, const complex< float > &__z)
Definition: complex_io.cpp:30
#define _STLP_BEGIN_NAMESPACE
Definition: features.h:501
#define _STLP_END_NAMESPACE
Definition: features.h:503
static const char mbstate_t *static wchar_t const char mbstate_t *static const wchar_t int *static double
Definition: string.c:80
#define __c
Definition: schilyio.h:209
value_type real() const
Definition: _complex.h:69
value_type imag() const
Definition: _complex.h:70