1 // The template and inlines for the -*- C++ -*- complex number classes.
3 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002
4 // Free Software Foundation, Inc.
6 // This file is part of the GNU ISO C++ Library. This library is free
7 // software; you can redistribute it and/or modify it under the
8 // terms of the GNU General Public License as published by the
9 // Free Software Foundation; either version 2, or (at your option)
12 // This library is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
17 // You should have received a copy of the GNU General Public License along
18 // with this library; see the file COPYING. If not, write to the Free
19 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
22 // As a special exception, you may use this file as part of a free software
23 // library without restriction. Specifically, if other files instantiate
24 // templates or use macros or inline functions from this file, or you compile
25 // this file and link it with other files to produce an executable, this
26 // file does not by itself cause the resulting executable to be covered by
27 // the GNU General Public License. This exception does not however
28 // invalidate any other reasons why the executable file might be covered by
29 // the GNU General Public License.
32 // ISO C++ 14882: 26.2 Complex Numbers
33 // Note: this is not a conforming implementation.
34 // Initially implemented by Ulrich Drepper <drepper@cygnus.com>
35 // Improved by Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
39 * This is a Standard C++ Library header. You should @c #include this header
40 * in your programs, rather than any of the "st[dl]_*.h" implementation files.
44 #define _CPP_COMPLEX 1
46 #pragma GCC system_header
48 #include <bits/c++config.h>
49 #include <bits/cpp_type_traits.h>
55 // Forward declarations
56 template<typename _Tp> class complex;
57 template<> class complex<float>;
58 template<> class complex<double>;
59 template<> class complex<long double>;
61 template<typename _Tp> _Tp abs(const complex<_Tp>&);
62 template<typename _Tp> _Tp arg(const complex<_Tp>&);
63 template<typename _Tp> _Tp norm(const complex<_Tp>&);
65 template<typename _Tp> complex<_Tp> conj(const complex<_Tp>&);
66 template<typename _Tp> complex<_Tp> polar(const _Tp&, const _Tp& = 0);
69 template<typename _Tp> complex<_Tp> cos(const complex<_Tp>&);
70 template<typename _Tp> complex<_Tp> cosh(const complex<_Tp>&);
71 template<typename _Tp> complex<_Tp> exp(const complex<_Tp>&);
72 template<typename _Tp> complex<_Tp> log(const complex<_Tp>&);
73 template<typename _Tp> complex<_Tp> log10(const complex<_Tp>&);
74 template<typename _Tp> complex<_Tp> pow(const complex<_Tp>&, int);
75 template<typename _Tp> complex<_Tp> pow(const complex<_Tp>&, const _Tp&);
76 template<typename _Tp> complex<_Tp> pow(const complex<_Tp>&,
78 template<typename _Tp> complex<_Tp> pow(const _Tp&, const complex<_Tp>&);
79 template<typename _Tp> complex<_Tp> sin(const complex<_Tp>&);
80 template<typename _Tp> complex<_Tp> sinh(const complex<_Tp>&);
81 template<typename _Tp> complex<_Tp> sqrt(const complex<_Tp>&);
82 template<typename _Tp> complex<_Tp> tan(const complex<_Tp>&);
83 template<typename _Tp> complex<_Tp> tanh(const complex<_Tp>&);
86 // 26.2.2 Primary template class complex
87 template<typename _Tp>
91 typedef _Tp value_type;
93 complex(const _Tp& = _Tp(), const _Tp & = _Tp());
95 // Let's the compiler synthetize the copy constructor
96 // complex (const complex<_Tp>&);
97 template<typename _Up>
98 complex(const complex<_Up>&);
103 complex<_Tp>& operator=(const _Tp&);
104 complex<_Tp>& operator+=(const _Tp&);
105 complex<_Tp>& operator-=(const _Tp&);
106 complex<_Tp>& operator*=(const _Tp&);
107 complex<_Tp>& operator/=(const _Tp&);
109 // Let's the compiler synthetize the
110 // copy and assignment operator
111 // complex<_Tp>& operator= (const complex<_Tp>&);
112 template<typename _Up>
113 complex<_Tp>& operator=(const complex<_Up>&);
114 template<typename _Up>
115 complex<_Tp>& operator+=(const complex<_Up>&);
116 template<typename _Up>
117 complex<_Tp>& operator-=(const complex<_Up>&);
118 template<typename _Up>
119 complex<_Tp>& operator*=(const complex<_Up>&);
120 template<typename _Up>
121 complex<_Tp>& operator/=(const complex<_Up>&);
124 _Tp _M_real, _M_imag;
127 template<typename _Tp>
129 complex<_Tp>::real() const { return _M_real; }
131 template<typename _Tp>
133 complex<_Tp>::imag() const { return _M_imag; }
135 template<typename _Tp>
137 complex<_Tp>::complex(const _Tp& __r, const _Tp& __i)
138 : _M_real(__r), _M_imag(__i) { }
140 template<typename _Tp>
141 template<typename _Up>
143 complex<_Tp>::complex(const complex<_Up>& __z)
144 : _M_real(__z.real()), _M_imag(__z.imag()) { }
146 template<typename _Tp>
148 complex<_Tp>::operator=(const _Tp& __t)
156 template<typename _Tp>
158 complex<_Tp>::operator+=(const _Tp& __t)
165 template<typename _Tp>
167 complex<_Tp>::operator-=(const _Tp& __t)
174 template<typename _Tp>
176 complex<_Tp>::operator*=(const _Tp& __t)
184 template<typename _Tp>
186 complex<_Tp>::operator/=(const _Tp& __t)
193 template<typename _Tp>
194 template<typename _Up>
196 complex<_Tp>::operator=(const complex<_Up>& __z)
198 _M_real = __z.real();
199 _M_imag = __z.imag();
204 template<typename _Tp>
205 template<typename _Up>
207 complex<_Tp>::operator+=(const complex<_Up>& __z)
209 _M_real += __z.real();
210 _M_imag += __z.imag();
215 template<typename _Tp>
216 template<typename _Up>
218 complex<_Tp>::operator-=(const complex<_Up>& __z)
220 _M_real -= __z.real();
221 _M_imag -= __z.imag();
226 // XXX: This is a grammar school implementation.
227 template<typename _Tp>
228 template<typename _Up>
230 complex<_Tp>::operator*=(const complex<_Up>& __z)
232 const _Tp __r = _M_real * __z.real() - _M_imag * __z.imag();
233 _M_imag = _M_real * __z.imag() + _M_imag * __z.real();
239 // XXX: This is a grammar school implementation.
240 template<typename _Tp>
241 template<typename _Up>
243 complex<_Tp>::operator/=(const complex<_Up>& __z)
245 const _Tp __r = _M_real * __z.real() + _M_imag * __z.imag();
246 const _Tp __n = norm(__z);
247 _M_imag = (_M_imag * __z.real() - _M_real * __z.imag()) / __n;
253 template<typename _Tp>
255 operator+(const complex<_Tp>& __x, const complex<_Tp>& __y)
256 { return complex<_Tp> (__x) += __y; }
258 template<typename _Tp>
260 operator+(const complex<_Tp>& __x, const _Tp& __y)
261 { return complex<_Tp> (__x) += __y; }
263 template<typename _Tp>
265 operator+(const _Tp& __x, const complex<_Tp>& __y)
266 { return complex<_Tp> (__y) += __x; }
268 template<typename _Tp>
270 operator-(const complex<_Tp>& __x, const complex<_Tp>& __y)
271 { return complex<_Tp> (__x) -= __y; }
273 template<typename _Tp>
275 operator-(const complex<_Tp>& __x, const _Tp& __y)
276 { return complex<_Tp> (__x) -= __y; }
278 template<typename _Tp>
280 operator-(const _Tp& __x, const complex<_Tp>& __y)
281 { return complex<_Tp> (__x) -= __y; }
283 template<typename _Tp>
285 operator*(const complex<_Tp>& __x, const complex<_Tp>& __y)
286 { return complex<_Tp> (__x) *= __y; }
288 template<typename _Tp>
290 operator*(const complex<_Tp>& __x, const _Tp& __y)
291 { return complex<_Tp> (__x) *= __y; }
293 template<typename _Tp>
295 operator*(const _Tp& __x, const complex<_Tp>& __y)
296 { return complex<_Tp> (__y) *= __x; }
298 template<typename _Tp>
300 operator/(const complex<_Tp>& __x, const complex<_Tp>& __y)
301 { return complex<_Tp> (__x) /= __y; }
303 template<typename _Tp>
305 operator/(const complex<_Tp>& __x, const _Tp& __y)
306 { return complex<_Tp> (__x) /= __y; }
308 template<typename _Tp>
310 operator/(const _Tp& __x, const complex<_Tp>& __y)
311 { return complex<_Tp> (__x) /= __y; }
313 template<typename _Tp>
315 operator+(const complex<_Tp>& __x)
318 template<typename _Tp>
320 operator-(const complex<_Tp>& __x)
321 { return complex<_Tp>(-__x.real(), -__x.imag()); }
323 template<typename _Tp>
325 operator==(const complex<_Tp>& __x, const complex<_Tp>& __y)
326 { return __x.real() == __y.real() && __x.imag() == __y.imag(); }
328 template<typename _Tp>
330 operator==(const complex<_Tp>& __x, const _Tp& __y)
331 { return __x.real() == __y && __x.imag() == _Tp(); }
333 template<typename _Tp>
335 operator==(const _Tp& __x, const complex<_Tp>& __y)
336 { return __x == __y.real() && _Tp() == __y.imag(); }
338 template<typename _Tp>
340 operator!=(const complex<_Tp>& __x, const complex<_Tp>& __y)
341 { return __x.real() != __y.real() || __x.imag() != __y.imag(); }
343 template<typename _Tp>
345 operator!=(const complex<_Tp>& __x, const _Tp& __y)
346 { return __x.real() != __y || __x.imag() != _Tp(); }
348 template<typename _Tp>
350 operator!=(const _Tp& __x, const complex<_Tp>& __y)
351 { return __x != __y.real() || _Tp() != __y.imag(); }
353 template<typename _Tp, typename _CharT, class _Traits>
354 basic_istream<_CharT, _Traits>&
355 operator>>(basic_istream<_CharT, _Traits>& __is, complex<_Tp>& __x)
362 __is >> __re_x >> __ch;
365 __is >> __im_x >> __ch;
367 __x = complex<_Tp>(__re_x, __im_x);
369 __is.setstate(ios_base::failbit);
371 else if (__ch == ')')
372 __x = complex<_Tp>(__re_x, _Tp(0));
374 __is.setstate(ios_base::failbit);
380 __x = complex<_Tp>(__re_x, _Tp(0));
385 template<typename _Tp, typename _CharT, class _Traits>
386 basic_ostream<_CharT, _Traits>&
387 operator<<(basic_ostream<_CharT, _Traits>& __os, const complex<_Tp>& __x)
389 basic_ostringstream<_CharT, _Traits> __s;
390 __s.flags(__os.flags());
391 __s.imbue(__os.getloc());
392 __s.precision(__os.precision());
393 __s << '(' << __x.real() << "," << __x.imag() << ')';
394 return __os << __s.str();
398 template<typename _Tp>
400 real(const complex<_Tp>& __z)
401 { return __z.real(); }
403 template<typename _Tp>
405 imag(const complex<_Tp>& __z)
406 { return __z.imag(); }
408 template<typename _Tp>
410 abs(const complex<_Tp>& __z)
412 _Tp __x = __z.real();
413 _Tp __y = __z.imag();
414 const _Tp __s = max(abs(__x), abs(__y));
415 if (__s == _Tp()) // well ...
419 return __s * sqrt(__x * __x + __y * __y);
422 template<typename _Tp>
424 arg(const complex<_Tp>& __z)
425 { return atan2(__z.imag(), __z.real()); }
427 // 26.2.7/5: norm(__z) returns the squared magintude of __z.
428 // As defined, norm() is -not- a norm is the common mathematical
429 // sens used in numerics. The helper class _Norm_helper<> tries to
430 // distinguish between builtin floating point and the rest, so as
431 // to deliver an answer as close as possible to the real value.
435 template<typename _Tp>
436 static inline _Tp _S_do_it(const complex<_Tp>& __z)
438 const _Tp __x = __z.real();
439 const _Tp __y = __z.imag();
440 return __x * __x + __y * __y;
445 struct _Norm_helper<true>
447 template<typename _Tp>
448 static inline _Tp _S_do_it(const complex<_Tp>& __z)
450 _Tp __res = abs(__z);
451 return __res * __res;
455 template<typename _Tp>
457 norm(const complex<_Tp>& __z)
459 return _Norm_helper<__is_floating<_Tp>::_M_type>::_S_do_it(__z);
462 template<typename _Tp>
464 polar(const _Tp& __rho, const _Tp& __theta)
465 { return complex<_Tp>(__rho * cos(__theta), __rho * sin(__theta)); }
467 template<typename _Tp>
469 conj(const complex<_Tp>& __z)
470 { return complex<_Tp>(__z.real(), -__z.imag()); }
473 template<typename _Tp>
475 cos(const complex<_Tp>& __z)
477 const _Tp __x = __z.real();
478 const _Tp __y = __z.imag();
479 return complex<_Tp>(cos(__x) * cosh(__y), -sin(__x) * sinh(__y));
482 template<typename _Tp>
484 cosh(const complex<_Tp>& __z)
486 const _Tp __x = __z.real();
487 const _Tp __y = __z.imag();
488 return complex<_Tp>(cosh(__x) * cos(__y), sinh(__x) * sin(__y));
491 template<typename _Tp>
493 exp(const complex<_Tp>& __z)
494 { return polar(exp(__z.real()), __z.imag()); }
496 template<typename _Tp>
498 log(const complex<_Tp>& __z)
499 { return complex<_Tp>(log(abs(__z)), arg(__z)); }
501 template<typename _Tp>
503 log10(const complex<_Tp>& __z)
504 { return log(__z) / log(_Tp(10.0)); }
506 template<typename _Tp>
508 sin(const complex<_Tp>& __z)
510 const _Tp __x = __z.real();
511 const _Tp __y = __z.imag();
512 return complex<_Tp>(sin(__x) * cosh(__y), cos(__x) * sinh(__y));
515 template<typename _Tp>
517 sinh(const complex<_Tp>& __z)
519 const _Tp __x = __z.real();
520 const _Tp __y = __z.imag();
521 return complex<_Tp>(sinh(__x) * cos(__y), cosh(__x) * sin(__y));
524 template<typename _Tp>
526 sqrt(const complex<_Tp>& __z)
528 _Tp __x = __z.real();
529 _Tp __y = __z.imag();
533 _Tp __t = sqrt(abs(__y) / 2);
534 return complex<_Tp>(__t, __y < _Tp() ? -__t : __t);
538 _Tp __t = sqrt(2 * (abs(__z) + abs(__x)));
541 ? complex<_Tp>(__u, __y / __t)
542 : complex<_Tp>(abs(__y) / __t, __y < _Tp() ? -__u : __u);
546 template<typename _Tp>
548 tan(const complex<_Tp>& __z)
550 return sin(__z) / cos(__z);
553 template<typename _Tp>
555 tanh(const complex<_Tp>& __z)
557 return sinh(__z) / cosh(__z);
560 template<typename _Tp>
562 pow(const complex<_Tp>& __z, int __n)
564 return __pow_helper(__z, __n);
567 template<typename _Tp>
569 pow(const complex<_Tp>& __x, const _Tp& __y)
571 return exp(__y * log(__x));
574 template<typename _Tp>
576 pow(const complex<_Tp>& __x, const complex<_Tp>& __y)
578 return exp(__y * log(__x));
581 template<typename _Tp>
583 pow(const _Tp& __x, const complex<_Tp>& __y)
585 return exp(__y * log(__x));
588 // 26.2.3 complex specializations
589 // complex<float> specialization
590 template<> class complex<float>
593 typedef float value_type;
595 complex(float = 0.0f, float = 0.0f);
596 #ifdef _GLIBCPP_BUGGY_COMPLEX
597 complex(const complex& __z) : _M_value(__z._M_value) { }
599 explicit complex(const complex<double>&);
600 explicit complex(const complex<long double>&);
605 complex<float>& operator=(float);
606 complex<float>& operator+=(float);
607 complex<float>& operator-=(float);
608 complex<float>& operator*=(float);
609 complex<float>& operator/=(float);
611 // Let's the compiler synthetize the copy and assignment
612 // operator. It always does a pretty good job.
613 // complex& operator= (const complex&);
614 template<typename _Tp>
615 complex<float>&operator=(const complex<_Tp>&);
616 template<typename _Tp>
617 complex<float>& operator+=(const complex<_Tp>&);
619 complex<float>& operator-=(const complex<_Tp>&);
621 complex<float>& operator*=(const complex<_Tp>&);
623 complex<float>&operator/=(const complex<_Tp>&);
626 typedef __complex__ float _ComplexT;
629 complex(_ComplexT __z) : _M_value(__z) { }
631 friend class complex<double>;
632 friend class complex<long double>;
636 complex<float>::real() const
637 { return __real__ _M_value; }
640 complex<float>::imag() const
641 { return __imag__ _M_value; }
644 complex<float>::complex(float r, float i)
646 __real__ _M_value = r;
647 __imag__ _M_value = i;
650 inline complex<float>&
651 complex<float>::operator=(float __f)
653 __real__ _M_value = __f;
654 __imag__ _M_value = 0.0f;
658 inline complex<float>&
659 complex<float>::operator+=(float __f)
661 __real__ _M_value += __f;
665 inline complex<float>&
666 complex<float>::operator-=(float __f)
668 __real__ _M_value -= __f;
672 inline complex<float>&
673 complex<float>::operator*=(float __f)
679 inline complex<float>&
680 complex<float>::operator/=(float __f)
686 template<typename _Tp>
687 inline complex<float>&
688 complex<float>::operator=(const complex<_Tp>& __z)
690 __real__ _M_value = __z.real();
691 __imag__ _M_value = __z.imag();
695 template<typename _Tp>
696 inline complex<float>&
697 complex<float>::operator+=(const complex<_Tp>& __z)
699 __real__ _M_value += __z.real();
700 __imag__ _M_value += __z.imag();
704 template<typename _Tp>
705 inline complex<float>&
706 complex<float>::operator-=(const complex<_Tp>& __z)
708 __real__ _M_value -= __z.real();
709 __imag__ _M_value -= __z.imag();
713 template<typename _Tp>
714 inline complex<float>&
715 complex<float>::operator*=(const complex<_Tp>& __z)
718 __real__ __t = __z.real();
719 __imag__ __t = __z.imag();
724 template<typename _Tp>
725 inline complex<float>&
726 complex<float>::operator/=(const complex<_Tp>& __z)
729 __real__ __t = __z.real();
730 __imag__ __t = __z.imag();
735 // 26.2.3 complex specializations
736 // complex<double> specialization
737 template<> class complex<double>
740 typedef double value_type;
742 complex(double =0.0, double =0.0);
743 #ifdef _GLIBCPP_BUGGY_COMPLEX
744 complex(const complex& __z) : _M_value(__z._M_value) { }
746 complex(const complex<float>&);
747 explicit complex(const complex<long double>&);
752 complex<double>& operator=(double);
753 complex<double>& operator+=(double);
754 complex<double>& operator-=(double);
755 complex<double>& operator*=(double);
756 complex<double>& operator/=(double);
758 // The compiler will synthetize this, efficiently.
759 // complex& operator= (const complex&);
760 template<typename _Tp>
761 complex<double>& operator=(const complex<_Tp>&);
762 template<typename _Tp>
763 complex<double>& operator+=(const complex<_Tp>&);
764 template<typename _Tp>
765 complex<double>& operator-=(const complex<_Tp>&);
766 template<typename _Tp>
767 complex<double>& operator*=(const complex<_Tp>&);
768 template<typename _Tp>
769 complex<double>& operator/=(const complex<_Tp>&);
772 typedef __complex__ double _ComplexT;
775 complex(_ComplexT __z) : _M_value(__z) { }
777 friend class complex<float>;
778 friend class complex<long double>;
782 complex<double>::real() const
783 { return __real__ _M_value; }
786 complex<double>::imag() const
787 { return __imag__ _M_value; }
790 complex<double>::complex(double __r, double __i)
792 __real__ _M_value = __r;
793 __imag__ _M_value = __i;
796 inline complex<double>&
797 complex<double>::operator=(double __d)
799 __real__ _M_value = __d;
800 __imag__ _M_value = 0.0;
804 inline complex<double>&
805 complex<double>::operator+=(double __d)
807 __real__ _M_value += __d;
811 inline complex<double>&
812 complex<double>::operator-=(double __d)
814 __real__ _M_value -= __d;
818 inline complex<double>&
819 complex<double>::operator*=(double __d)
825 inline complex<double>&
826 complex<double>::operator/=(double __d)
832 template<typename _Tp>
833 inline complex<double>&
834 complex<double>::operator=(const complex<_Tp>& __z)
836 __real__ _M_value = __z.real();
837 __imag__ _M_value = __z.imag();
841 template<typename _Tp>
842 inline complex<double>&
843 complex<double>::operator+=(const complex<_Tp>& __z)
845 __real__ _M_value += __z.real();
846 __imag__ _M_value += __z.imag();
850 template<typename _Tp>
851 inline complex<double>&
852 complex<double>::operator-=(const complex<_Tp>& __z)
854 __real__ _M_value -= __z.real();
855 __imag__ _M_value -= __z.imag();
859 template<typename _Tp>
860 inline complex<double>&
861 complex<double>::operator*=(const complex<_Tp>& __z)
864 __real__ __t = __z.real();
865 __imag__ __t = __z.imag();
870 template<typename _Tp>
871 inline complex<double>&
872 complex<double>::operator/=(const complex<_Tp>& __z)
875 __real__ __t = __z.real();
876 __imag__ __t = __z.imag();
881 // 26.2.3 complex specializations
882 // complex<long double> specialization
883 template<> class complex<long double>
886 typedef long double value_type;
888 complex(long double = 0.0L, long double = 0.0L);
889 #ifdef _GLIBCPP_BUGGY_COMPLEX
890 complex(const complex& __z) : _M_value(__z._M_value) { }
892 complex(const complex<float>&);
893 complex(const complex<double>&);
895 long double real() const;
896 long double imag() const;
898 complex<long double>& operator= (long double);
899 complex<long double>& operator+= (long double);
900 complex<long double>& operator-= (long double);
901 complex<long double>& operator*= (long double);
902 complex<long double>& operator/= (long double);
904 // The compiler knows how to do this efficiently
905 // complex& operator= (const complex&);
906 template<typename _Tp>
907 complex<long double>& operator=(const complex<_Tp>&);
908 template<typename _Tp>
909 complex<long double>& operator+=(const complex<_Tp>&);
910 template<typename _Tp>
911 complex<long double>& operator-=(const complex<_Tp>&);
912 template<typename _Tp>
913 complex<long double>& operator*=(const complex<_Tp>&);
914 template<typename _Tp>
915 complex<long double>& operator/=(const complex<_Tp>&);
918 typedef __complex__ long double _ComplexT;
921 complex(_ComplexT __z) : _M_value(__z) { }
923 friend class complex<float>;
924 friend class complex<double>;
928 complex<long double>::complex(long double __r, long double __i)
930 __real__ _M_value = __r;
931 __imag__ _M_value = __i;
935 complex<long double>::real() const
936 { return __real__ _M_value; }
939 complex<long double>::imag() const
940 { return __imag__ _M_value; }
942 inline complex<long double>&
943 complex<long double>::operator=(long double __r)
945 __real__ _M_value = __r;
946 __imag__ _M_value = 0.0L;
950 inline complex<long double>&
951 complex<long double>::operator+=(long double __r)
953 __real__ _M_value += __r;
957 inline complex<long double>&
958 complex<long double>::operator-=(long double __r)
960 __real__ _M_value -= __r;
964 inline complex<long double>&
965 complex<long double>::operator*=(long double __r)
971 inline complex<long double>&
972 complex<long double>::operator/=(long double __r)
978 template<typename _Tp>
979 inline complex<long double>&
980 complex<long double>::operator=(const complex<_Tp>& __z)
982 __real__ _M_value = __z.real();
983 __imag__ _M_value = __z.imag();
987 template<typename _Tp>
988 inline complex<long double>&
989 complex<long double>::operator+=(const complex<_Tp>& __z)
991 __real__ _M_value += __z.real();
992 __imag__ _M_value += __z.imag();
996 template<typename _Tp>
997 inline complex<long double>&
998 complex<long double>::operator-=(const complex<_Tp>& __z)
1000 __real__ _M_value -= __z.real();
1001 __imag__ _M_value -= __z.imag();
1005 template<typename _Tp>
1006 inline complex<long double>&
1007 complex<long double>::operator*=(const complex<_Tp>& __z)
1010 __real__ __t = __z.real();
1011 __imag__ __t = __z.imag();
1016 template<typename _Tp>
1017 inline complex<long double>&
1018 complex<long double>::operator/=(const complex<_Tp>& __z)
1021 __real__ __t = __z.real();
1022 __imag__ __t = __z.imag();
1027 // These bits have to be at the end of this file, so that the
1028 // specializations have all been defined.
1029 // ??? No, they have to be there because of compiler limitation at
1030 // inlining. It suffices that class specializations be defined.
1032 complex<float>::complex(const complex<double>& __z)
1033 : _M_value(_ComplexT(__z._M_value)) { }
1036 complex<float>::complex(const complex<long double>& __z)
1037 : _M_value(_ComplexT(__z._M_value)) { }
1040 complex<double>::complex(const complex<float>& __z)
1041 : _M_value(_ComplexT(__z._M_value)) { }
1044 complex<double>::complex(const complex<long double>& __z)
1046 __real__ _M_value = __z.real();
1047 __imag__ _M_value = __z.imag();
1051 complex<long double>::complex(const complex<float>& __z)
1052 : _M_value(_ComplexT(__z._M_value)) { }
1055 complex<long double>::complex(const complex<double>& __z)
1056 : _M_value(_ComplexT(__z._M_value)) { }
1059 #endif /* _CPP_COMPLEX */