mirror of git://gcc.gnu.org/git/gcc.git
				
				
				
			
		
			
				
	
	
		
			1686 lines
		
	
	
		
			42 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			1686 lines
		
	
	
		
			42 KiB
		
	
	
	
		
			C++
		
	
	
	
| // -*- C++ -*- C forwarding header.
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| 
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| // Copyright (C) 1997-2013 Free Software Foundation, Inc.
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| //
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| // This file is part of the GNU ISO C++ Library.  This library is free
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| // software; you can redistribute it and/or modify it under the
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| // terms of the GNU General Public License as published by the
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| // Free Software Foundation; either version 3, or (at your option)
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| // any later version.
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| 
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| // This library is distributed in the hope that it will be useful,
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| // but WITHOUT ANY WARRANTY; without even the implied warranty of
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| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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| // GNU General Public License for more details.
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| 
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| // Under Section 7 of GPL version 3, you are granted additional
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| // permissions described in the GCC Runtime Library Exception, version
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| // 3.1, as published by the Free Software Foundation.
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| 
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| // You should have received a copy of the GNU General Public License and
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| // a copy of the GCC Runtime Library Exception along with this program;
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| // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
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| // <http://www.gnu.org/licenses/>.
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| 
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| /** @file include/cmath
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|  *  This is a Standard C++ Library file.  You should @c \#include this file
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|  *  in your programs, rather than any of the @a *.h implementation files.
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|  *
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|  *  This is the C++ version of the Standard C Library header @c math.h,
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|  *  and its contents are (mostly) the same as that header, but are all
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|  *  contained in the namespace @c std (except for names which are defined
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|  *  as macros in C).
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|  */
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| 
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| //
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| // ISO C++ 14882: 26.5  C library
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| //
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| 
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| #pragma GCC system_header
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| 
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| #include <bits/c++config.h>
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| #include <bits/cpp_type_traits.h>
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| #include <ext/type_traits.h>
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| #include <math.h>
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| 
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| #ifndef _GLIBCXX_CMATH
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| #define _GLIBCXX_CMATH 1
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| 
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| // Get rid of those macros defined in <math.h> in lieu of real functions.
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| #undef abs
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| #undef div
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| #undef acos
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| #undef asin
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| #undef atan
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| #undef atan2
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| #undef ceil
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| #undef cos
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| #undef cosh
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| #undef exp
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| #undef fabs
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| #undef floor
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| #undef fmod
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| #undef frexp
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| #undef ldexp
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| #undef log
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| #undef log10
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| #undef modf
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| #undef pow
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| #undef sin
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| #undef sinh
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| #undef sqrt
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| #undef tan
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| #undef tanh
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| 
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| namespace std _GLIBCXX_VISIBILITY(default)
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| {
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| _GLIBCXX_BEGIN_NAMESPACE_VERSION
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| 
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| #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO
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|   inline _GLIBCXX_CONSTEXPR double
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|   abs(double __x)
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|   { return __builtin_fabs(__x); }
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| #endif
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| 
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| #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO
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|   inline _GLIBCXX_CONSTEXPR float
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|   abs(float __x)
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|   { return __builtin_fabsf(__x); }
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| 
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|   inline _GLIBCXX_CONSTEXPR long double
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|   abs(long double __x)
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|   { return __builtin_fabsl(__x); }
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| #endif
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| 
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|   template<typename _Tp>
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|     inline _GLIBCXX_CONSTEXPR
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|     typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
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|                                     double>::__type
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|     abs(_Tp __x)
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|     { return __builtin_fabs(__x); }
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| 
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|   using ::acos;
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| 
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| #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO
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|   inline _GLIBCXX_CONSTEXPR float
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|   acos(float __x)
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|   { return __builtin_acosf(__x); }
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| 
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|   inline _GLIBCXX_CONSTEXPR long double
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|   acos(long double __x)
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|   { return __builtin_acosl(__x); }
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| #endif
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| 
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|   template<typename _Tp>
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|     inline _GLIBCXX_CONSTEXPR
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|     typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
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|                                     double>::__type
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|     acos(_Tp __x)
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|     { return __builtin_acos(__x); }
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| 
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|   using ::asin;
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| 
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| #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO
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|   inline _GLIBCXX_CONSTEXPR float
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|   asin(float __x)
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|   { return __builtin_asinf(__x); }
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| 
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|   inline _GLIBCXX_CONSTEXPR long double
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|   asin(long double __x)
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|   { return __builtin_asinl(__x); }
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| #endif
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| 
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|   template<typename _Tp>
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|     inline _GLIBCXX_CONSTEXPR
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|     typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
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|                                     double>::__type
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|     asin(_Tp __x)
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|     { return __builtin_asin(__x); }
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| 
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|   using ::atan;
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| 
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| #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO
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|   inline _GLIBCXX_CONSTEXPR float
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|   atan(float __x)
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|   { return __builtin_atanf(__x); }
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| 
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|   inline _GLIBCXX_CONSTEXPR long double
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|   atan(long double __x)
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|   { return __builtin_atanl(__x); }
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| #endif
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| 
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|   template<typename _Tp>
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|     inline _GLIBCXX_CONSTEXPR
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|     typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
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|                                     double>::__type
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|     atan(_Tp __x)
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|     { return __builtin_atan(__x); }
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| 
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|   using ::atan2;
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| 
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| #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO
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|   inline _GLIBCXX_CONSTEXPR float
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|   atan2(float __y, float __x)
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|   { return __builtin_atan2f(__y, __x); }
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| 
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|   inline _GLIBCXX_CONSTEXPR long double
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|   atan2(long double __y, long double __x)
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|   { return __builtin_atan2l(__y, __x); }
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| #endif
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| 
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|   template<typename _Tp, typename _Up>
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|     inline _GLIBCXX_CONSTEXPR
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|     typename __gnu_cxx::__promote_2<_Tp, _Up>::__type
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|     atan2(_Tp __y, _Up __x)
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|     {
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|       typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type;
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|       return atan2(__type(__y), __type(__x));
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|     }
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| 
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|   using ::ceil;
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| 
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| #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO
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|   inline _GLIBCXX_CONSTEXPR float
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|   ceil(float __x)
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|   { return __builtin_ceilf(__x); }
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| 
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|   inline _GLIBCXX_CONSTEXPR long double
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|   ceil(long double __x)
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|   { return __builtin_ceill(__x); }
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| #endif
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| 
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|   template<typename _Tp>
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|     inline _GLIBCXX_CONSTEXPR
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|     typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
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|                                     double>::__type
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|     ceil(_Tp __x)
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|     { return __builtin_ceil(__x); }
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| 
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|   using ::cos;
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| 
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| #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO
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|   inline _GLIBCXX_CONSTEXPR float
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|   cos(float __x)
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|   { return __builtin_cosf(__x); }
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| 
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|   inline _GLIBCXX_CONSTEXPR long double
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|   cos(long double __x)
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|   { return __builtin_cosl(__x); }
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| #endif
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| 
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|   template<typename _Tp>
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|     inline _GLIBCXX_CONSTEXPR
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|     typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
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|                                     double>::__type
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|     cos(_Tp __x)
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|     { return __builtin_cos(__x); }
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| 
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|   using ::cosh;
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| 
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| #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO
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|   inline _GLIBCXX_CONSTEXPR float
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|   cosh(float __x)
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|   { return __builtin_coshf(__x); }
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| 
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|   inline _GLIBCXX_CONSTEXPR long double
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|   cosh(long double __x)
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|   { return __builtin_coshl(__x); }
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| #endif
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| 
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|   template<typename _Tp>
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|     inline _GLIBCXX_CONSTEXPR
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|     typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
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|                                     double>::__type
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|     cosh(_Tp __x)
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|     { return __builtin_cosh(__x); }
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| 
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|   using ::exp;
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| 
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| #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO
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|   inline _GLIBCXX_CONSTEXPR float
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|   exp(float __x)
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|   { return __builtin_expf(__x); }
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| 
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|   inline _GLIBCXX_CONSTEXPR long double
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|   exp(long double __x)
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|   { return __builtin_expl(__x); }
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| #endif
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| 
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|   template<typename _Tp>
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|     inline _GLIBCXX_CONSTEXPR
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|     typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
 | |
|                                     double>::__type
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|     exp(_Tp __x)
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|     { return __builtin_exp(__x); }
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| 
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|   using ::fabs;
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| 
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| #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO
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|   inline _GLIBCXX_CONSTEXPR float
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|   fabs(float __x)
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|   { return __builtin_fabsf(__x); }
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| 
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|   inline _GLIBCXX_CONSTEXPR long double
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|   fabs(long double __x)
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|   { return __builtin_fabsl(__x); }
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| #endif
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| 
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|   template<typename _Tp>
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|     inline _GLIBCXX_CONSTEXPR
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|     typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
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|                                     double>::__type
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|     fabs(_Tp __x)
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|     { return __builtin_fabs(__x); }
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| 
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|   using ::floor;
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| 
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| #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO
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|   inline _GLIBCXX_CONSTEXPR float
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|   floor(float __x)
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|   { return __builtin_floorf(__x); }
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| 
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|   inline _GLIBCXX_CONSTEXPR long double
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|   floor(long double __x)
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|   { return __builtin_floorl(__x); }
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| #endif
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| 
 | |
|   template<typename _Tp>
 | |
|     inline _GLIBCXX_CONSTEXPR
 | |
|     typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
 | |
|                                     double>::__type
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|     floor(_Tp __x)
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|     { return __builtin_floor(__x); }
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| 
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|   using ::fmod;
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| 
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| #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO
 | |
|   inline _GLIBCXX_CONSTEXPR float
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|   fmod(float __x, float __y)
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|   { return __builtin_fmodf(__x, __y); }
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| 
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|   inline _GLIBCXX_CONSTEXPR long double
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|   fmod(long double __x, long double __y)
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|   { return __builtin_fmodl(__x, __y); }
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| #endif
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| 
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|   template<typename _Tp, typename _Up>
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|     inline _GLIBCXX_CONSTEXPR
 | |
|     typename __gnu_cxx::__promote_2<_Tp, _Up>::__type
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|     fmod(_Tp __x, _Up __y)
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|     {
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|       typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type;
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|       return fmod(__type(__x), __type(__y));
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|     }
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| 
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|   using ::frexp;
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| 
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| #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO
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|   inline float
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|   frexp(float __x, int* __exp)
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|   { return __builtin_frexpf(__x, __exp); }
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| 
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|   inline long double
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|   frexp(long double __x, int* __exp)
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|   { return __builtin_frexpl(__x, __exp); }
 | |
| #endif
 | |
| 
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|   template<typename _Tp>
 | |
|     inline _GLIBCXX_CONSTEXPR
 | |
|     typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
 | |
|                                     double>::__type
 | |
|     frexp(_Tp __x, int* __exp)
 | |
|     { return __builtin_frexp(__x, __exp); }
 | |
| 
 | |
|   using ::ldexp;
 | |
| 
 | |
| #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO
 | |
|   inline _GLIBCXX_CONSTEXPR float
 | |
|   ldexp(float __x, int __exp)
 | |
|   { return __builtin_ldexpf(__x, __exp); }
 | |
| 
 | |
|   inline _GLIBCXX_CONSTEXPR long double
 | |
|   ldexp(long double __x, int __exp)
 | |
|   { return __builtin_ldexpl(__x, __exp); }
 | |
| #endif
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     inline _GLIBCXX_CONSTEXPR
 | |
|     typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
 | |
|                                     double>::__type
 | |
|     ldexp(_Tp __x, int __exp)
 | |
|     { return __builtin_ldexp(__x, __exp); }
 | |
| 
 | |
|   using ::log;
 | |
| 
 | |
| #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO
 | |
|   inline _GLIBCXX_CONSTEXPR float
 | |
|   log(float __x)
 | |
|   { return __builtin_logf(__x); }
 | |
| 
 | |
|   inline _GLIBCXX_CONSTEXPR long double
 | |
|   log(long double __x)
 | |
|   { return __builtin_logl(__x); }
 | |
| #endif
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     inline _GLIBCXX_CONSTEXPR
 | |
|     typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
 | |
|                                     double>::__type
 | |
|     log(_Tp __x)
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|     { return __builtin_log(__x); }
 | |
| 
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|   using ::log10;
 | |
| 
 | |
| #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO
 | |
|   inline _GLIBCXX_CONSTEXPR float
 | |
|   log10(float __x)
 | |
|   { return __builtin_log10f(__x); }
 | |
| 
 | |
|   inline _GLIBCXX_CONSTEXPR long double
 | |
|   log10(long double __x)
 | |
|   { return __builtin_log10l(__x); }
 | |
| #endif
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     inline _GLIBCXX_CONSTEXPR
 | |
|     typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
 | |
|                                     double>::__type
 | |
|     log10(_Tp __x)
 | |
|     { return __builtin_log10(__x); }
 | |
| 
 | |
|   using ::modf;
 | |
| 
 | |
| #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO
 | |
|   inline float
 | |
|   modf(float __x, float* __iptr)
 | |
|   { return __builtin_modff(__x, __iptr); }
 | |
| 
 | |
|   inline long double
 | |
|   modf(long double __x, long double* __iptr)
 | |
|   { return __builtin_modfl(__x, __iptr); }
 | |
| #endif
 | |
| 
 | |
|   using ::pow;
 | |
| 
 | |
| #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO
 | |
|   inline _GLIBCXX_CONSTEXPR float
 | |
|   pow(float __x, float __y)
 | |
|   { return __builtin_powf(__x, __y); }
 | |
| 
 | |
|   inline _GLIBCXX_CONSTEXPR long double
 | |
|   pow(long double __x, long double __y)
 | |
|   { return __builtin_powl(__x, __y); }
 | |
| 
 | |
| #if __cplusplus < 201103L
 | |
|   // _GLIBCXX_RESOLVE_LIB_DEFECTS
 | |
|   // DR 550. What should the return type of pow(float,int) be?
 | |
|   inline double
 | |
|   pow(double __x, int __i)
 | |
|   { return __builtin_powi(__x, __i); }
 | |
| 
 | |
|   inline float
 | |
|   pow(float __x, int __n)
 | |
|   { return __builtin_powif(__x, __n); }
 | |
| 
 | |
|   inline long double
 | |
|   pow(long double __x, int __n)
 | |
|   { return __builtin_powil(__x, __n); }
 | |
| #endif
 | |
| #endif
 | |
| 
 | |
|   template<typename _Tp, typename _Up>
 | |
|     inline _GLIBCXX_CONSTEXPR
 | |
|     typename __gnu_cxx::__promote_2<_Tp, _Up>::__type
 | |
|     pow(_Tp __x, _Up __y)
 | |
|     {
 | |
|       typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type;
 | |
|       return pow(__type(__x), __type(__y));
 | |
|     }
 | |
| 
 | |
|   using ::sin;
 | |
| 
 | |
| #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO
 | |
|   inline _GLIBCXX_CONSTEXPR float
 | |
|   sin(float __x)
 | |
|   { return __builtin_sinf(__x); }
 | |
| 
 | |
|   inline _GLIBCXX_CONSTEXPR long double
 | |
|   sin(long double __x)
 | |
|   { return __builtin_sinl(__x); }
 | |
| #endif
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     inline _GLIBCXX_CONSTEXPR
 | |
|     typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
 | |
|                                     double>::__type
 | |
|     sin(_Tp __x)
 | |
|     { return __builtin_sin(__x); }
 | |
| 
 | |
|   using ::sinh;
 | |
| 
 | |
| #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO
 | |
|   inline _GLIBCXX_CONSTEXPR float
 | |
|   sinh(float __x)
 | |
|   { return __builtin_sinhf(__x); }
 | |
| 
 | |
|   inline _GLIBCXX_CONSTEXPR long double
 | |
|   sinh(long double __x)
 | |
|   { return __builtin_sinhl(__x); }
 | |
| #endif
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     inline _GLIBCXX_CONSTEXPR
 | |
|     typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
 | |
|                                     double>::__type
 | |
|     sinh(_Tp __x)
 | |
|     { return __builtin_sinh(__x); }
 | |
| 
 | |
|   using ::sqrt;
 | |
| 
 | |
| #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO
 | |
|   inline _GLIBCXX_CONSTEXPR float
 | |
|   sqrt(float __x)
 | |
|   { return __builtin_sqrtf(__x); }
 | |
| 
 | |
|   inline _GLIBCXX_CONSTEXPR long double
 | |
|   sqrt(long double __x)
 | |
|   { return __builtin_sqrtl(__x); }
 | |
| #endif
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     inline _GLIBCXX_CONSTEXPR
 | |
|     typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
 | |
|                                     double>::__type
 | |
|     sqrt(_Tp __x)
 | |
|     { return __builtin_sqrt(__x); }
 | |
| 
 | |
|   using ::tan;
 | |
| 
 | |
| #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO
 | |
|   inline _GLIBCXX_CONSTEXPR float
 | |
|   tan(float __x)
 | |
|   { return __builtin_tanf(__x); }
 | |
| 
 | |
|   inline _GLIBCXX_CONSTEXPR long double
 | |
|   tan(long double __x)
 | |
|   { return __builtin_tanl(__x); }
 | |
| #endif
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     inline _GLIBCXX_CONSTEXPR
 | |
|     typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
 | |
|                                     double>::__type
 | |
|     tan(_Tp __x)
 | |
|     { return __builtin_tan(__x); }
 | |
| 
 | |
|   using ::tanh;
 | |
| 
 | |
| #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO
 | |
|   inline _GLIBCXX_CONSTEXPR float
 | |
|   tanh(float __x)
 | |
|   { return __builtin_tanhf(__x); }
 | |
| 
 | |
|   inline _GLIBCXX_CONSTEXPR long double
 | |
|   tanh(long double __x)
 | |
|   { return __builtin_tanhl(__x); }
 | |
| #endif
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     inline _GLIBCXX_CONSTEXPR
 | |
|     typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
 | |
|                                     double>::__type
 | |
|     tanh(_Tp __x)
 | |
|     { return __builtin_tanh(__x); }
 | |
| 
 | |
| _GLIBCXX_END_NAMESPACE_VERSION
 | |
| } // namespace
 | |
| 
 | |
| #if _GLIBCXX_USE_C99_MATH
 | |
| #if !_GLIBCXX_USE_C99_FP_MACROS_DYNAMIC
 | |
| 
 | |
| // These are possible macros imported from C99-land.
 | |
| #undef fpclassify
 | |
| #undef isfinite
 | |
| #undef isinf
 | |
| #undef isnan
 | |
| #undef isnormal
 | |
| #undef signbit
 | |
| #undef isgreater
 | |
| #undef isgreaterequal
 | |
| #undef isless
 | |
| #undef islessequal
 | |
| #undef islessgreater
 | |
| #undef isunordered
 | |
| 
 | |
| namespace std _GLIBCXX_VISIBILITY(default)
 | |
| {
 | |
| _GLIBCXX_BEGIN_NAMESPACE_VERSION
 | |
| 
 | |
| #if __cplusplus >= 201103L
 | |
|   constexpr int
 | |
|   fpclassify(float __x)
 | |
|   { return __builtin_fpclassify(FP_NAN, FP_INFINITE, FP_NORMAL,
 | |
| 				FP_SUBNORMAL, FP_ZERO, __x); }
 | |
| 
 | |
|   constexpr int
 | |
|   fpclassify(double __x)
 | |
|   { return __builtin_fpclassify(FP_NAN, FP_INFINITE, FP_NORMAL,
 | |
| 				FP_SUBNORMAL, FP_ZERO, __x); }
 | |
| 
 | |
|   constexpr int
 | |
|   fpclassify(long double __x)
 | |
|   { return __builtin_fpclassify(FP_NAN, FP_INFINITE, FP_NORMAL,
 | |
| 				FP_SUBNORMAL, FP_ZERO, __x); }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
 | |
|                                               int>::__type
 | |
|     fpclassify(_Tp __x)
 | |
|     { return __x != 0 ? FP_NORMAL : FP_ZERO; }
 | |
| 
 | |
|   constexpr bool
 | |
|   isfinite(float __x)
 | |
|   { return __builtin_isfinite(__x); }
 | |
| 
 | |
|   constexpr bool
 | |
|   isfinite(double __x)
 | |
|   { return __builtin_isfinite(__x); }
 | |
| 
 | |
|   constexpr bool
 | |
|   isfinite(long double __x)
 | |
|   { return __builtin_isfinite(__x); }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
 | |
|                                               bool>::__type
 | |
|     isfinite(_Tp __x)
 | |
|     { return true; }
 | |
| 
 | |
|   constexpr bool
 | |
|   isinf(float __x)
 | |
|   { return __builtin_isinf(__x); }
 | |
| 
 | |
|   constexpr bool
 | |
|   isinf(double __x)
 | |
|   { return __builtin_isinf(__x); }
 | |
| 
 | |
|   constexpr bool
 | |
|   isinf(long double __x)
 | |
|   { return __builtin_isinf(__x); }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
 | |
|                                               bool>::__type
 | |
|     isinf(_Tp __x)
 | |
|     { return false; }
 | |
| 
 | |
|   constexpr bool
 | |
|   isnan(float __x)
 | |
|   { return __builtin_isnan(__x); }
 | |
| 
 | |
|   constexpr bool
 | |
|   isnan(double __x)
 | |
|   { return __builtin_isnan(__x); }
 | |
| 
 | |
|   constexpr bool
 | |
|   isnan(long double __x)
 | |
|   { return __builtin_isnan(__x); }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
 | |
|                                               bool>::__type
 | |
|     isnan(_Tp __x)
 | |
|     { return false; }
 | |
| 
 | |
|   constexpr bool
 | |
|   isnormal(float __x)
 | |
|   { return __builtin_isnormal(__x); }
 | |
| 
 | |
|   constexpr bool
 | |
|   isnormal(double __x)
 | |
|   { return __builtin_isnormal(__x); }
 | |
| 
 | |
|   constexpr bool
 | |
|   isnormal(long double __x)
 | |
|   { return __builtin_isnormal(__x); }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
 | |
|                                               bool>::__type
 | |
|     isnormal(_Tp __x)
 | |
|     { return __x != 0 ? true : false; }
 | |
| 
 | |
|   constexpr bool
 | |
|   signbit(float __x)
 | |
|   { return __builtin_signbit(__x); }
 | |
| 
 | |
|   constexpr bool
 | |
|   signbit(double __x)
 | |
|   { return __builtin_signbit(__x); }
 | |
| 
 | |
|   constexpr bool
 | |
|   signbit(long double __x)
 | |
|   { return __builtin_signbit(__x); }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
 | |
|                                               bool>::__type
 | |
|     signbit(_Tp __x)
 | |
|     { return __x < 0 ? true : false; }
 | |
| 
 | |
|   constexpr bool
 | |
|   isgreater(float __x, float __y)
 | |
|   { return __builtin_isgreater(__x, __y); }
 | |
| 
 | |
|   constexpr bool
 | |
|   isgreater(double __x, double __y)
 | |
|   { return __builtin_isgreater(__x, __y); }
 | |
| 
 | |
|   constexpr bool
 | |
|   isgreater(long double __x, long double __y)
 | |
|   { return __builtin_isgreater(__x, __y); }
 | |
| 
 | |
|   template<typename _Tp, typename _Up>
 | |
|     constexpr typename
 | |
|     __gnu_cxx::__enable_if<(__is_arithmetic<_Tp>::__value
 | |
| 			    && __is_arithmetic<_Up>::__value), bool>::__type
 | |
|     isgreater(_Tp __x, _Up __y)
 | |
|     {
 | |
|       typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type;
 | |
|       return __builtin_isgreater(__type(__x), __type(__y));
 | |
|     }
 | |
| 
 | |
|   constexpr bool
 | |
|   isgreaterequal(float __x, float __y)
 | |
|   { return __builtin_isgreaterequal(__x, __y); }
 | |
| 
 | |
|   constexpr bool
 | |
|   isgreaterequal(double __x, double __y)
 | |
|   { return __builtin_isgreaterequal(__x, __y); }
 | |
| 
 | |
|   constexpr bool
 | |
|   isgreaterequal(long double __x, long double __y)
 | |
|   { return __builtin_isgreaterequal(__x, __y); }
 | |
| 
 | |
|   template<typename _Tp, typename _Up>
 | |
|     constexpr typename
 | |
|     __gnu_cxx::__enable_if<(__is_arithmetic<_Tp>::__value
 | |
| 			    && __is_arithmetic<_Up>::__value), bool>::__type
 | |
|     isgreaterequal(_Tp __x, _Up __y)
 | |
|     {
 | |
|       typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type;
 | |
|       return __builtin_isgreaterequal(__type(__x), __type(__y));
 | |
|     }
 | |
| 
 | |
|   constexpr bool
 | |
|   isless(float __x, float __y)
 | |
|   { return __builtin_isless(__x, __y); }
 | |
| 
 | |
|   constexpr bool
 | |
|   isless(double __x, double __y)
 | |
|   { return __builtin_isless(__x, __y); }
 | |
| 
 | |
|   constexpr bool
 | |
|   isless(long double __x, long double __y)
 | |
|   { return __builtin_isless(__x, __y); }
 | |
| 
 | |
|   template<typename _Tp, typename _Up>
 | |
|     constexpr typename
 | |
|     __gnu_cxx::__enable_if<(__is_arithmetic<_Tp>::__value
 | |
| 			    && __is_arithmetic<_Up>::__value), bool>::__type
 | |
|     isless(_Tp __x, _Up __y)
 | |
|     {
 | |
|       typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type;
 | |
|       return __builtin_isless(__type(__x), __type(__y));
 | |
|     }
 | |
| 
 | |
|   constexpr bool
 | |
|   islessequal(float __x, float __y)
 | |
|   { return __builtin_islessequal(__x, __y); }
 | |
| 
 | |
|   constexpr bool
 | |
|   islessequal(double __x, double __y)
 | |
|   { return __builtin_islessequal(__x, __y); }
 | |
| 
 | |
|   constexpr bool
 | |
|   islessequal(long double __x, long double __y)
 | |
|   { return __builtin_islessequal(__x, __y); }
 | |
| 
 | |
|   template<typename _Tp, typename _Up>
 | |
|     constexpr typename
 | |
|     __gnu_cxx::__enable_if<(__is_arithmetic<_Tp>::__value
 | |
| 			    && __is_arithmetic<_Up>::__value), bool>::__type
 | |
|     islessequal(_Tp __x, _Up __y)
 | |
|     {
 | |
|       typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type;
 | |
|       return __builtin_islessequal(__type(__x), __type(__y));
 | |
|     }
 | |
| 
 | |
|   constexpr bool
 | |
|   islessgreater(float __x, float __y)
 | |
|   { return __builtin_islessgreater(__x, __y); }
 | |
| 
 | |
|   constexpr bool
 | |
|   islessgreater(double __x, double __y)
 | |
|   { return __builtin_islessgreater(__x, __y); }
 | |
| 
 | |
|   constexpr bool
 | |
|   islessgreater(long double __x, long double __y)
 | |
|   { return __builtin_islessgreater(__x, __y); }
 | |
| 
 | |
|   template<typename _Tp, typename _Up>
 | |
|     constexpr typename
 | |
|     __gnu_cxx::__enable_if<(__is_arithmetic<_Tp>::__value
 | |
| 			    && __is_arithmetic<_Up>::__value), bool>::__type
 | |
|     islessgreater(_Tp __x, _Up __y)
 | |
|     {
 | |
|       typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type;
 | |
|       return __builtin_islessgreater(__type(__x), __type(__y));
 | |
|     }
 | |
| 
 | |
|   constexpr bool
 | |
|   isunordered(float __x, float __y)
 | |
|   { return __builtin_isunordered(__x, __y); }
 | |
| 
 | |
|   constexpr bool
 | |
|   isunordered(double __x, double __y)
 | |
|   { return __builtin_isunordered(__x, __y); }
 | |
| 
 | |
|   constexpr bool
 | |
|   isunordered(long double __x, long double __y)
 | |
|   { return __builtin_isunordered(__x, __y); }
 | |
| 
 | |
|   template<typename _Tp, typename _Up>
 | |
|     constexpr typename
 | |
|     __gnu_cxx::__enable_if<(__is_arithmetic<_Tp>::__value
 | |
| 			    && __is_arithmetic<_Up>::__value), bool>::__type
 | |
|     isunordered(_Tp __x, _Up __y)
 | |
|     {
 | |
|       typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type;
 | |
|       return __builtin_isunordered(__type(__x), __type(__y));
 | |
|     }
 | |
| 
 | |
| #else
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
 | |
| 					   int>::__type
 | |
|     fpclassify(_Tp __f)
 | |
|     {
 | |
|       typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
 | |
|       return __builtin_fpclassify(FP_NAN, FP_INFINITE, FP_NORMAL,
 | |
| 				  FP_SUBNORMAL, FP_ZERO, __type(__f));
 | |
|     }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
 | |
| 					   int>::__type
 | |
|     isfinite(_Tp __f)
 | |
|     {
 | |
|       typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
 | |
|       return __builtin_isfinite(__type(__f));
 | |
|     }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
 | |
| 					   int>::__type
 | |
|     isinf(_Tp __f)
 | |
|     {
 | |
|       typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
 | |
|       return __builtin_isinf(__type(__f));
 | |
|     }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
 | |
| 					   int>::__type
 | |
|     isnan(_Tp __f)
 | |
|     {
 | |
|       typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
 | |
|       return __builtin_isnan(__type(__f));
 | |
|     }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
 | |
| 					   int>::__type
 | |
|     isnormal(_Tp __f)
 | |
|     {
 | |
|       typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
 | |
|       return __builtin_isnormal(__type(__f));
 | |
|     }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
 | |
| 					   int>::__type
 | |
|     signbit(_Tp __f)
 | |
|     {
 | |
|       typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
 | |
|       return __builtin_signbit(__type(__f));
 | |
|     }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
 | |
| 					   int>::__type
 | |
|     isgreater(_Tp __f1, _Tp __f2)
 | |
|     {
 | |
|       typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
 | |
|       return __builtin_isgreater(__type(__f1), __type(__f2));
 | |
|     }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
 | |
| 					   int>::__type
 | |
|     isgreaterequal(_Tp __f1, _Tp __f2)
 | |
|     {
 | |
|       typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
 | |
|       return __builtin_isgreaterequal(__type(__f1), __type(__f2));
 | |
|     }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
 | |
| 					   int>::__type
 | |
|     isless(_Tp __f1, _Tp __f2)
 | |
|     {
 | |
|       typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
 | |
|       return __builtin_isless(__type(__f1), __type(__f2));
 | |
|     }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
 | |
| 					   int>::__type
 | |
|     islessequal(_Tp __f1, _Tp __f2)
 | |
|     {
 | |
|       typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
 | |
|       return __builtin_islessequal(__type(__f1), __type(__f2));
 | |
|     }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
 | |
| 					   int>::__type
 | |
|     islessgreater(_Tp __f1, _Tp __f2)
 | |
|     {
 | |
|       typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
 | |
|       return __builtin_islessgreater(__type(__f1), __type(__f2));
 | |
|     }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
 | |
| 					   int>::__type
 | |
|     isunordered(_Tp __f1, _Tp __f2)
 | |
|     {
 | |
|       typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
 | |
|       return __builtin_isunordered(__type(__f1), __type(__f2));
 | |
|     }
 | |
| 
 | |
| #endif
 | |
| 
 | |
| _GLIBCXX_END_NAMESPACE_VERSION
 | |
| } // namespace
 | |
| 
 | |
| #endif /* _GLIBCXX_USE_C99_FP_MACROS_DYNAMIC */
 | |
| #endif
 | |
| 
 | |
| #if __cplusplus >= 201103L
 | |
| 
 | |
| #ifdef _GLIBCXX_USE_C99_MATH_TR1
 | |
| 
 | |
| #undef acosh
 | |
| #undef acoshf
 | |
| #undef acoshl
 | |
| #undef asinh
 | |
| #undef asinhf
 | |
| #undef asinhl
 | |
| #undef atanh
 | |
| #undef atanhf
 | |
| #undef atanhl
 | |
| #undef cbrt
 | |
| #undef cbrtf
 | |
| #undef cbrtl
 | |
| #undef copysign
 | |
| #undef copysignf
 | |
| #undef copysignl
 | |
| #undef erf
 | |
| #undef erff
 | |
| #undef erfl
 | |
| #undef erfc
 | |
| #undef erfcf
 | |
| #undef erfcl
 | |
| #undef exp2
 | |
| #undef exp2f
 | |
| #undef exp2l
 | |
| #undef expm1
 | |
| #undef expm1f
 | |
| #undef expm1l
 | |
| #undef fdim
 | |
| #undef fdimf
 | |
| #undef fdiml
 | |
| #undef fma
 | |
| #undef fmaf
 | |
| #undef fmal
 | |
| #undef fmax
 | |
| #undef fmaxf
 | |
| #undef fmaxl
 | |
| #undef fmin
 | |
| #undef fminf
 | |
| #undef fminl
 | |
| #undef hypot
 | |
| #undef hypotf
 | |
| #undef hypotl
 | |
| #undef ilogb
 | |
| #undef ilogbf
 | |
| #undef ilogbl
 | |
| #undef lgamma
 | |
| #undef lgammaf
 | |
| #undef lgammal
 | |
| #undef llrint
 | |
| #undef llrintf
 | |
| #undef llrintl
 | |
| #undef llround
 | |
| #undef llroundf
 | |
| #undef llroundl
 | |
| #undef log1p
 | |
| #undef log1pf
 | |
| #undef log1pl
 | |
| #undef log2
 | |
| #undef log2f
 | |
| #undef log2l
 | |
| #undef logb
 | |
| #undef logbf
 | |
| #undef logbl
 | |
| #undef lrint
 | |
| #undef lrintf
 | |
| #undef lrintl
 | |
| #undef lround
 | |
| #undef lroundf
 | |
| #undef lroundl
 | |
| #undef nan
 | |
| #undef nanf
 | |
| #undef nanl
 | |
| #undef nearbyint
 | |
| #undef nearbyintf
 | |
| #undef nearbyintl
 | |
| #undef nextafter
 | |
| #undef nextafterf
 | |
| #undef nextafterl
 | |
| #undef nexttoward
 | |
| #undef nexttowardf
 | |
| #undef nexttowardl
 | |
| #undef remainder
 | |
| #undef remainderf
 | |
| #undef remainderl
 | |
| #undef remquo
 | |
| #undef remquof
 | |
| #undef remquol
 | |
| #undef rint
 | |
| #undef rintf
 | |
| #undef rintl
 | |
| #undef round
 | |
| #undef roundf
 | |
| #undef roundl
 | |
| #undef scalbln
 | |
| #undef scalblnf
 | |
| #undef scalblnl
 | |
| #undef scalbn
 | |
| #undef scalbnf
 | |
| #undef scalbnl
 | |
| #undef tgamma
 | |
| #undef tgammaf
 | |
| #undef tgammal
 | |
| #undef trunc
 | |
| #undef truncf
 | |
| #undef truncl
 | |
| 
 | |
| namespace std _GLIBCXX_VISIBILITY(default)
 | |
| {
 | |
| _GLIBCXX_BEGIN_NAMESPACE_VERSION
 | |
| 
 | |
|   // types
 | |
|   using ::double_t;
 | |
|   using ::float_t;
 | |
| 
 | |
|   // functions
 | |
|   using ::acosh;
 | |
|   using ::acoshf;
 | |
|   using ::acoshl;
 | |
| 
 | |
|   using ::asinh;
 | |
|   using ::asinhf;
 | |
|   using ::asinhl;
 | |
| 
 | |
|   using ::atanh;
 | |
|   using ::atanhf;
 | |
|   using ::atanhl;
 | |
| 
 | |
|   using ::cbrt;
 | |
|   using ::cbrtf;
 | |
|   using ::cbrtl;
 | |
| 
 | |
|   using ::copysign;
 | |
|   using ::copysignf;
 | |
|   using ::copysignl;
 | |
| 
 | |
|   using ::erf;
 | |
|   using ::erff;
 | |
|   using ::erfl;
 | |
| 
 | |
|   using ::erfc;
 | |
|   using ::erfcf;
 | |
|   using ::erfcl;
 | |
| 
 | |
|   using ::exp2;
 | |
|   using ::exp2f;
 | |
|   using ::exp2l;
 | |
| 
 | |
|   using ::expm1;
 | |
|   using ::expm1f;
 | |
|   using ::expm1l;
 | |
| 
 | |
|   using ::fdim;
 | |
|   using ::fdimf;
 | |
|   using ::fdiml;
 | |
| 
 | |
|   using ::fma;
 | |
|   using ::fmaf;
 | |
|   using ::fmal;
 | |
| 
 | |
|   using ::fmax;
 | |
|   using ::fmaxf;
 | |
|   using ::fmaxl;
 | |
| 
 | |
|   using ::fmin;
 | |
|   using ::fminf;
 | |
|   using ::fminl;
 | |
| 
 | |
|   using ::hypot;
 | |
|   using ::hypotf;
 | |
|   using ::hypotl;
 | |
| 
 | |
|   using ::ilogb;
 | |
|   using ::ilogbf;
 | |
|   using ::ilogbl;
 | |
| 
 | |
|   using ::lgamma;
 | |
|   using ::lgammaf;
 | |
|   using ::lgammal;
 | |
| 
 | |
|   using ::llrint;
 | |
|   using ::llrintf;
 | |
|   using ::llrintl;
 | |
| 
 | |
|   using ::llround;
 | |
|   using ::llroundf;
 | |
|   using ::llroundl;
 | |
| 
 | |
|   using ::log1p;
 | |
|   using ::log1pf;
 | |
|   using ::log1pl;
 | |
| 
 | |
|   using ::log2;
 | |
|   using ::log2f;
 | |
|   using ::log2l;
 | |
| 
 | |
|   using ::logb;
 | |
|   using ::logbf;
 | |
|   using ::logbl;
 | |
| 
 | |
|   using ::lrint;
 | |
|   using ::lrintf;
 | |
|   using ::lrintl;
 | |
| 
 | |
|   using ::lround;
 | |
|   using ::lroundf;
 | |
|   using ::lroundl;
 | |
| 
 | |
|   using ::nan;
 | |
|   using ::nanf;
 | |
|   using ::nanl;
 | |
| 
 | |
|   using ::nearbyint;
 | |
|   using ::nearbyintf;
 | |
|   using ::nearbyintl;
 | |
| 
 | |
|   using ::nextafter;
 | |
|   using ::nextafterf;
 | |
|   using ::nextafterl;
 | |
| 
 | |
|   using ::nexttoward;
 | |
|   using ::nexttowardf;
 | |
|   using ::nexttowardl;
 | |
| 
 | |
|   using ::remainder;
 | |
|   using ::remainderf;
 | |
|   using ::remainderl;
 | |
| 
 | |
|   using ::remquo;
 | |
|   using ::remquof;
 | |
|   using ::remquol;
 | |
| 
 | |
|   using ::rint;
 | |
|   using ::rintf;
 | |
|   using ::rintl;
 | |
| 
 | |
|   using ::round;
 | |
|   using ::roundf;
 | |
|   using ::roundl;
 | |
| 
 | |
|   using ::scalbln;
 | |
|   using ::scalblnf;
 | |
|   using ::scalblnl;
 | |
| 
 | |
|   using ::scalbn;
 | |
|   using ::scalbnf;
 | |
|   using ::scalbnl;
 | |
| 
 | |
|   using ::tgamma;
 | |
|   using ::tgammaf;
 | |
|   using ::tgammal;
 | |
| 
 | |
|   using ::trunc;
 | |
|   using ::truncf;
 | |
|   using ::truncl;
 | |
| 
 | |
|   /// Additional overloads.
 | |
|   constexpr float
 | |
|   acosh(float __x)
 | |
|   { return __builtin_acoshf(__x); }
 | |
| 
 | |
|   constexpr long double
 | |
|   acosh(long double __x)
 | |
|   { return __builtin_acoshl(__x); }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
 | |
|                                               double>::__type
 | |
|     acosh(_Tp __x)
 | |
|     { return __builtin_acosh(__x); }
 | |
| 
 | |
|   constexpr float
 | |
|   asinh(float __x)
 | |
|   { return __builtin_asinhf(__x); }
 | |
| 
 | |
|   constexpr long double
 | |
|   asinh(long double __x)
 | |
|   { return __builtin_asinhl(__x); }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
 | |
|                                               double>::__type
 | |
|     asinh(_Tp __x)
 | |
|     { return __builtin_asinh(__x); }
 | |
| 
 | |
|   constexpr float
 | |
|   atanh(float __x)
 | |
|   { return __builtin_atanhf(__x); }
 | |
| 
 | |
|   constexpr long double
 | |
|   atanh(long double __x)
 | |
|   { return __builtin_atanhl(__x); }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
 | |
|                                               double>::__type
 | |
|     atanh(_Tp __x)
 | |
|     { return __builtin_atanh(__x); }
 | |
| 
 | |
|   constexpr float
 | |
|   cbrt(float __x)
 | |
|   { return __builtin_cbrtf(__x); }
 | |
| 
 | |
|   constexpr long double
 | |
|   cbrt(long double __x)
 | |
|   { return __builtin_cbrtl(__x); }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
 | |
|                                               double>::__type
 | |
|     cbrt(_Tp __x)
 | |
|     { return __builtin_cbrt(__x); }
 | |
| 
 | |
|   constexpr float
 | |
|   copysign(float __x, float __y)
 | |
|   { return __builtin_copysignf(__x, __y); }
 | |
| 
 | |
|   constexpr long double
 | |
|   copysign(long double __x, long double __y)
 | |
|   { return __builtin_copysignl(__x, __y); }
 | |
| 
 | |
|   template<typename _Tp, typename _Up>
 | |
|     constexpr typename __gnu_cxx::__promote_2<_Tp, _Up>::__type
 | |
|     copysign(_Tp __x, _Up __y)
 | |
|     {
 | |
|       typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type;
 | |
|       return copysign(__type(__x), __type(__y));
 | |
|     }
 | |
| 
 | |
|   constexpr float
 | |
|   erf(float __x)
 | |
|   { return __builtin_erff(__x); }
 | |
| 
 | |
|   constexpr long double
 | |
|   erf(long double __x)
 | |
|   { return __builtin_erfl(__x); }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
 | |
|                                               double>::__type
 | |
|     erf(_Tp __x)
 | |
|     { return __builtin_erf(__x); }
 | |
| 
 | |
|   constexpr float
 | |
|   erfc(float __x)
 | |
|   { return __builtin_erfcf(__x); }
 | |
| 
 | |
|   constexpr long double
 | |
|   erfc(long double __x)
 | |
|   { return __builtin_erfcl(__x); }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
 | |
|                                               double>::__type
 | |
|     erfc(_Tp __x)
 | |
|     { return __builtin_erfc(__x); }
 | |
| 
 | |
|   constexpr float
 | |
|   exp2(float __x)
 | |
|   { return __builtin_exp2f(__x); }
 | |
| 
 | |
|   constexpr long double
 | |
|   exp2(long double __x)
 | |
|   { return __builtin_exp2l(__x); }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
 | |
|                                               double>::__type
 | |
|     exp2(_Tp __x)
 | |
|     { return __builtin_exp2(__x); }
 | |
| 
 | |
|   constexpr float
 | |
|   expm1(float __x)
 | |
|   { return __builtin_expm1f(__x); }
 | |
| 
 | |
|   constexpr long double
 | |
|   expm1(long double __x)
 | |
|   { return __builtin_expm1l(__x); }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
 | |
|                                               double>::__type
 | |
|     expm1(_Tp __x)
 | |
|     { return __builtin_expm1(__x); }
 | |
| 
 | |
|   constexpr float
 | |
|   fdim(float __x, float __y)
 | |
|   { return __builtin_fdimf(__x, __y); }
 | |
| 
 | |
|   constexpr long double
 | |
|   fdim(long double __x, long double __y)
 | |
|   { return __builtin_fdiml(__x, __y); }
 | |
| 
 | |
|   template<typename _Tp, typename _Up>
 | |
|     constexpr typename __gnu_cxx::__promote_2<_Tp, _Up>::__type
 | |
|     fdim(_Tp __x, _Up __y)
 | |
|     {
 | |
|       typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type;
 | |
|       return fdim(__type(__x), __type(__y));
 | |
|     }
 | |
| 
 | |
|   constexpr float
 | |
|   fma(float __x, float __y, float __z)
 | |
|   { return __builtin_fmaf(__x, __y, __z); }
 | |
| 
 | |
|   constexpr long double
 | |
|   fma(long double __x, long double __y, long double __z)
 | |
|   { return __builtin_fmal(__x, __y, __z); }
 | |
| 
 | |
|   template<typename _Tp, typename _Up, typename _Vp>
 | |
|     constexpr typename __gnu_cxx::__promote_3<_Tp, _Up, _Vp>::__type
 | |
|     fma(_Tp __x, _Up __y, _Vp __z)
 | |
|     {
 | |
|       typedef typename __gnu_cxx::__promote_3<_Tp, _Up, _Vp>::__type __type;
 | |
|       return fma(__type(__x), __type(__y), __type(__z));
 | |
|     }
 | |
| 
 | |
|   constexpr float
 | |
|   fmax(float __x, float __y)
 | |
|   { return __builtin_fmaxf(__x, __y); }
 | |
| 
 | |
|   constexpr long double
 | |
|   fmax(long double __x, long double __y)
 | |
|   { return __builtin_fmaxl(__x, __y); }
 | |
| 
 | |
|   template<typename _Tp, typename _Up>
 | |
|     constexpr typename __gnu_cxx::__promote_2<_Tp, _Up>::__type
 | |
|     fmax(_Tp __x, _Up __y)
 | |
|     {
 | |
|       typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type;
 | |
|       return fmax(__type(__x), __type(__y));
 | |
|     }
 | |
| 
 | |
|   constexpr float
 | |
|   fmin(float __x, float __y)
 | |
|   { return __builtin_fminf(__x, __y); }
 | |
| 
 | |
|   constexpr long double
 | |
|   fmin(long double __x, long double __y)
 | |
|   { return __builtin_fminl(__x, __y); }
 | |
| 
 | |
|   template<typename _Tp, typename _Up>
 | |
|     constexpr typename __gnu_cxx::__promote_2<_Tp, _Up>::__type
 | |
|     fmin(_Tp __x, _Up __y)
 | |
|     {
 | |
|       typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type;
 | |
|       return fmin(__type(__x), __type(__y));
 | |
|     }
 | |
| 
 | |
|   constexpr float
 | |
|   hypot(float __x, float __y)
 | |
|   { return __builtin_hypotf(__x, __y); }
 | |
| 
 | |
|   constexpr long double
 | |
|   hypot(long double __x, long double __y)
 | |
|   { return __builtin_hypotl(__x, __y); }
 | |
| 
 | |
|   template<typename _Tp, typename _Up>
 | |
|     constexpr typename __gnu_cxx::__promote_2<_Tp, _Up>::__type
 | |
|     hypot(_Tp __x, _Up __y)
 | |
|     {
 | |
|       typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type;
 | |
|       return hypot(__type(__x), __type(__y));
 | |
|     }
 | |
| 
 | |
|   constexpr int
 | |
|   ilogb(float __x)
 | |
|   { return __builtin_ilogbf(__x); }
 | |
| 
 | |
|   constexpr int
 | |
|   ilogb(long double __x)
 | |
|   { return __builtin_ilogbl(__x); }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     constexpr
 | |
|     typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
 | |
|                                     int>::__type
 | |
|     ilogb(_Tp __x)
 | |
|     { return __builtin_ilogb(__x); }
 | |
| 
 | |
|   constexpr float
 | |
|   lgamma(float __x)
 | |
|   { return __builtin_lgammaf(__x); }
 | |
| 
 | |
|   constexpr long double
 | |
|   lgamma(long double __x)
 | |
|   { return __builtin_lgammal(__x); }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
 | |
|                                               double>::__type
 | |
|     lgamma(_Tp __x)
 | |
|     { return __builtin_lgamma(__x); }
 | |
| 
 | |
|   constexpr long long
 | |
|   llrint(float __x)
 | |
|   { return __builtin_llrintf(__x); }
 | |
| 
 | |
|   constexpr long long
 | |
|   llrint(long double __x)
 | |
|   { return __builtin_llrintl(__x); }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
 | |
|                                               long long>::__type
 | |
|     llrint(_Tp __x)
 | |
|     { return __builtin_llrint(__x); }
 | |
| 
 | |
|   constexpr long long
 | |
|   llround(float __x)
 | |
|   { return __builtin_llroundf(__x); }
 | |
| 
 | |
|   constexpr long long
 | |
|   llround(long double __x)
 | |
|   { return __builtin_llroundl(__x); }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
 | |
|                                               long long>::__type
 | |
|     llround(_Tp __x)
 | |
|     { return __builtin_llround(__x); }
 | |
| 
 | |
|   constexpr float
 | |
|   log1p(float __x)
 | |
|   { return __builtin_log1pf(__x); }
 | |
| 
 | |
|   constexpr long double
 | |
|   log1p(long double __x)
 | |
|   { return __builtin_log1pl(__x); }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
 | |
|                                               double>::__type
 | |
|     log1p(_Tp __x)
 | |
|     { return __builtin_log1p(__x); }
 | |
| 
 | |
|   // DR 568.
 | |
|   constexpr float
 | |
|   log2(float __x)
 | |
|   { return __builtin_log2f(__x); }
 | |
| 
 | |
|   constexpr long double
 | |
|   log2(long double __x)
 | |
|   { return __builtin_log2l(__x); }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
 | |
|                                               double>::__type
 | |
|     log2(_Tp __x)
 | |
|     { return __builtin_log2(__x); }
 | |
| 
 | |
|   constexpr float
 | |
|   logb(float __x)
 | |
|   { return __builtin_logbf(__x); }
 | |
| 
 | |
|   constexpr long double
 | |
|   logb(long double __x)
 | |
|   { return __builtin_logbl(__x); }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
 | |
|                                               double>::__type
 | |
|     logb(_Tp __x)
 | |
|     { return __builtin_logb(__x); }
 | |
| 
 | |
|   constexpr long
 | |
|   lrint(float __x)
 | |
|   { return __builtin_lrintf(__x); }
 | |
| 
 | |
|   constexpr long
 | |
|   lrint(long double __x)
 | |
|   { return __builtin_lrintl(__x); }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
 | |
|                                               long>::__type
 | |
|     lrint(_Tp __x)
 | |
|     { return __builtin_lrint(__x); }
 | |
| 
 | |
|   constexpr long
 | |
|   lround(float __x)
 | |
|   { return __builtin_lroundf(__x); }
 | |
| 
 | |
|   constexpr long
 | |
|   lround(long double __x)
 | |
|   { return __builtin_lroundl(__x); }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
 | |
|                                               long>::__type
 | |
|     lround(_Tp __x)
 | |
|     { return __builtin_lround(__x); }
 | |
| 
 | |
|   constexpr float
 | |
|   nearbyint(float __x)
 | |
|   { return __builtin_nearbyintf(__x); }
 | |
| 
 | |
|   constexpr long double
 | |
|   nearbyint(long double __x)
 | |
|   { return __builtin_nearbyintl(__x); }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
 | |
|                                               double>::__type
 | |
|     nearbyint(_Tp __x)
 | |
|     { return __builtin_nearbyint(__x); }
 | |
| 
 | |
|   constexpr float
 | |
|   nextafter(float __x, float __y)
 | |
|   { return __builtin_nextafterf(__x, __y); }
 | |
| 
 | |
|   constexpr long double
 | |
|   nextafter(long double __x, long double __y)
 | |
|   { return __builtin_nextafterl(__x, __y); }
 | |
| 
 | |
|   template<typename _Tp, typename _Up>
 | |
|     constexpr typename __gnu_cxx::__promote_2<_Tp, _Up>::__type
 | |
|     nextafter(_Tp __x, _Up __y)
 | |
|     {
 | |
|       typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type;
 | |
|       return nextafter(__type(__x), __type(__y));
 | |
|     }
 | |
| 
 | |
|   constexpr float
 | |
|   nexttoward(float __x, long double __y)
 | |
|   { return __builtin_nexttowardf(__x, __y); }
 | |
| 
 | |
|   constexpr long double
 | |
|   nexttoward(long double __x, long double __y)
 | |
|   { return __builtin_nexttowardl(__x, __y); }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
 | |
|                                               double>::__type
 | |
|     nexttoward(_Tp __x, long double __y)
 | |
|     { return __builtin_nexttoward(__x, __y); }
 | |
| 
 | |
|   constexpr float
 | |
|   remainder(float __x, float __y)
 | |
|   { return __builtin_remainderf(__x, __y); }
 | |
| 
 | |
|   constexpr long double
 | |
|   remainder(long double __x, long double __y)
 | |
|   { return __builtin_remainderl(__x, __y); }
 | |
| 
 | |
|   template<typename _Tp, typename _Up>
 | |
|     constexpr typename __gnu_cxx::__promote_2<_Tp, _Up>::__type
 | |
|     remainder(_Tp __x, _Up __y)
 | |
|     {
 | |
|       typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type;
 | |
|       return remainder(__type(__x), __type(__y));
 | |
|     }
 | |
| 
 | |
|   inline float
 | |
|   remquo(float __x, float __y, int* __pquo)
 | |
|   { return __builtin_remquof(__x, __y, __pquo); }
 | |
| 
 | |
|   inline long double
 | |
|   remquo(long double __x, long double __y, int* __pquo)
 | |
|   { return __builtin_remquol(__x, __y, __pquo); }
 | |
| 
 | |
|   template<typename _Tp, typename _Up>
 | |
|     inline typename __gnu_cxx::__promote_2<_Tp, _Up>::__type
 | |
|     remquo(_Tp __x, _Up __y, int* __pquo)
 | |
|     {
 | |
|       typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type;
 | |
|       return remquo(__type(__x), __type(__y), __pquo);
 | |
|     }
 | |
| 
 | |
|   constexpr float
 | |
|   rint(float __x)
 | |
|   { return __builtin_rintf(__x); }
 | |
| 
 | |
|   constexpr long double
 | |
|   rint(long double __x)
 | |
|   { return __builtin_rintl(__x); }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
 | |
|                                               double>::__type
 | |
|     rint(_Tp __x)
 | |
|     { return __builtin_rint(__x); }
 | |
| 
 | |
|   constexpr float
 | |
|   round(float __x)
 | |
|   { return __builtin_roundf(__x); }
 | |
| 
 | |
|   constexpr long double
 | |
|   round(long double __x)
 | |
|   { return __builtin_roundl(__x); }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
 | |
|                                               double>::__type
 | |
|     round(_Tp __x)
 | |
|     { return __builtin_round(__x); }
 | |
| 
 | |
|   constexpr float
 | |
|   scalbln(float __x, long __ex)
 | |
|   { return __builtin_scalblnf(__x, __ex); }
 | |
| 
 | |
|   constexpr long double
 | |
|   scalbln(long double __x, long __ex)
 | |
|   { return __builtin_scalblnl(__x, __ex); }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
 | |
|                                               double>::__type
 | |
|     scalbln(_Tp __x, long __ex)
 | |
|     { return __builtin_scalbln(__x, __ex); }
 | |
|  
 | |
|   constexpr float
 | |
|   scalbn(float __x, int __ex)
 | |
|   { return __builtin_scalbnf(__x, __ex); }
 | |
| 
 | |
|   constexpr long double
 | |
|   scalbn(long double __x, int __ex)
 | |
|   { return __builtin_scalbnl(__x, __ex); }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
 | |
|                                               double>::__type
 | |
|     scalbn(_Tp __x, int __ex)
 | |
|     { return __builtin_scalbn(__x, __ex); }
 | |
| 
 | |
|   constexpr float
 | |
|   tgamma(float __x)
 | |
|   { return __builtin_tgammaf(__x); }
 | |
| 
 | |
|   constexpr long double
 | |
|   tgamma(long double __x)
 | |
|   { return __builtin_tgammal(__x); }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
 | |
|                                               double>::__type
 | |
|     tgamma(_Tp __x)
 | |
|     { return __builtin_tgamma(__x); }
 | |
|  
 | |
|   constexpr float
 | |
|   trunc(float __x)
 | |
|   { return __builtin_truncf(__x); }
 | |
| 
 | |
|   constexpr long double
 | |
|   trunc(long double __x)
 | |
|   { return __builtin_truncl(__x); }
 | |
| 
 | |
|   template<typename _Tp>
 | |
|     constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
 | |
|                                               double>::__type
 | |
|     trunc(_Tp __x)
 | |
|     { return __builtin_trunc(__x); }
 | |
| 
 | |
| _GLIBCXX_END_NAMESPACE_VERSION
 | |
| } // namespace
 | |
| 
 | |
| #endif // _GLIBCXX_USE_C99_MATH_TR1
 | |
| 
 | |
| #endif // C++11
 | |
| 
 | |
| #endif
 |