| // -*- C++ -*- C forwarding header. |
| |
| // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, |
| // 2006, 2007, 2008, 2009, 2010, 2011 |
| // Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // Under Section 7 of GPL version 3, you are granted additional |
| // permissions described in the GCC Runtime Library Exception, version |
| // 3.1, as published by the Free Software Foundation. |
| |
| // You should have received a copy of the GNU General Public License and |
| // a copy of the GCC Runtime Library Exception along with this program; |
| // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| // <http://www.gnu.org/licenses/>. |
| |
| /** @file include/cmath |
| * This is a Standard C++ Library file. You should @c \#include this file |
| * in your programs, rather than any of the @a *.h implementation files. |
| * |
| * This is the C++ version of the Standard C Library header @c math.h, |
| * and its contents are (mostly) the same as that header, but are all |
| * contained in the namespace @c std (except for names which are defined |
| * as macros in C). |
| */ |
| |
| // |
| // ISO C++ 14882: 26.5 C library |
| // |
| |
| #pragma GCC system_header |
| |
| #include <bits/c++config.h> |
| #include <bits/cpp_type_traits.h> |
| #include <ext/type_traits.h> |
| #include <math.h> |
| |
| #ifndef _GLIBCXX_CMATH |
| #define _GLIBCXX_CMATH 1 |
| |
| // Get rid of those macros defined in <math.h> in lieu of real functions. |
| #undef abs |
| #undef div |
| #undef acos |
| #undef asin |
| #undef atan |
| #undef atan2 |
| #undef ceil |
| #undef cos |
| #undef cosh |
| #undef exp |
| #undef fabs |
| #undef floor |
| #undef fmod |
| #undef frexp |
| #undef ldexp |
| #undef log |
| #undef log10 |
| #undef modf |
| #undef pow |
| #undef sin |
| #undef sinh |
| #undef sqrt |
| #undef tan |
| #undef tanh |
| |
| namespace std _GLIBCXX_VISIBILITY(default) |
| { |
| _GLIBCXX_BEGIN_NAMESPACE_VERSION |
| |
| inline double |
| abs(double __x) |
| { return __builtin_fabs(__x); } |
| |
| inline float |
| abs(float __x) |
| { return __builtin_fabsf(__x); } |
| |
| inline long double |
| abs(long double __x) |
| { return __builtin_fabsl(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
| double>::__type |
| abs(_Tp __x) |
| { return __builtin_fabs(__x); } |
| |
| using ::acos; |
| |
| inline float |
| acos(float __x) |
| { return __builtin_acosf(__x); } |
| |
| inline long double |
| acos(long double __x) |
| { return __builtin_acosl(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
| double>::__type |
| acos(_Tp __x) |
| { return __builtin_acos(__x); } |
| |
| using ::asin; |
| |
| inline float |
| asin(float __x) |
| { return __builtin_asinf(__x); } |
| |
| inline long double |
| asin(long double __x) |
| { return __builtin_asinl(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
| double>::__type |
| asin(_Tp __x) |
| { return __builtin_asin(__x); } |
| |
| using ::atan; |
| |
| inline float |
| atan(float __x) |
| { return __builtin_atanf(__x); } |
| |
| inline long double |
| atan(long double __x) |
| { return __builtin_atanl(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
| double>::__type |
| atan(_Tp __x) |
| { return __builtin_atan(__x); } |
| |
| using ::atan2; |
| |
| inline float |
| atan2(float __y, float __x) |
| { return __builtin_atan2f(__y, __x); } |
| |
| inline long double |
| atan2(long double __y, long double __x) |
| { return __builtin_atan2l(__y, __x); } |
| |
| template<typename _Tp, typename _Up> |
| inline |
| typename __gnu_cxx::__promote_2<_Tp, _Up>::__type |
| atan2(_Tp __y, _Up __x) |
| { |
| typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type; |
| return atan2(__type(__y), __type(__x)); |
| } |
| |
| using ::ceil; |
| |
| inline float |
| ceil(float __x) |
| { return __builtin_ceilf(__x); } |
| |
| inline long double |
| ceil(long double __x) |
| { return __builtin_ceill(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
| double>::__type |
| ceil(_Tp __x) |
| { return __builtin_ceil(__x); } |
| |
| using ::cos; |
| |
| inline float |
| cos(float __x) |
| { return __builtin_cosf(__x); } |
| |
| inline long double |
| cos(long double __x) |
| { return __builtin_cosl(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
| double>::__type |
| cos(_Tp __x) |
| { return __builtin_cos(__x); } |
| |
| using ::cosh; |
| |
| inline float |
| cosh(float __x) |
| { return __builtin_coshf(__x); } |
| |
| inline long double |
| cosh(long double __x) |
| { return __builtin_coshl(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
| double>::__type |
| cosh(_Tp __x) |
| { return __builtin_cosh(__x); } |
| |
| using ::exp; |
| |
| inline float |
| exp(float __x) |
| { return __builtin_expf(__x); } |
| |
| inline long double |
| exp(long double __x) |
| { return __builtin_expl(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
| double>::__type |
| exp(_Tp __x) |
| { return __builtin_exp(__x); } |
| |
| using ::fabs; |
| |
| inline float |
| fabs(float __x) |
| { return __builtin_fabsf(__x); } |
| |
| inline long double |
| fabs(long double __x) |
| { return __builtin_fabsl(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
| double>::__type |
| fabs(_Tp __x) |
| { return __builtin_fabs(__x); } |
| |
| using ::floor; |
| |
| inline float |
| floor(float __x) |
| { return __builtin_floorf(__x); } |
| |
| inline long double |
| floor(long double __x) |
| { return __builtin_floorl(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
| double>::__type |
| floor(_Tp __x) |
| { return __builtin_floor(__x); } |
| |
| using ::fmod; |
| |
| inline float |
| fmod(float __x, float __y) |
| { return __builtin_fmodf(__x, __y); } |
| |
| inline long double |
| fmod(long double __x, long double __y) |
| { return __builtin_fmodl(__x, __y); } |
| |
| using ::frexp; |
| |
| inline float |
| frexp(float __x, int* __exp) |
| { return __builtin_frexpf(__x, __exp); } |
| |
| inline long double |
| frexp(long double __x, int* __exp) |
| { return __builtin_frexpl(__x, __exp); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
| double>::__type |
| frexp(_Tp __x, int* __exp) |
| { return __builtin_frexp(__x, __exp); } |
| |
| using ::ldexp; |
| |
| inline float |
| ldexp(float __x, int __exp) |
| { return __builtin_ldexpf(__x, __exp); } |
| |
| inline long double |
| ldexp(long double __x, int __exp) |
| { return __builtin_ldexpl(__x, __exp); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
| double>::__type |
| ldexp(_Tp __x, int __exp) |
| { return __builtin_ldexp(__x, __exp); } |
| |
| using ::log; |
| |
| inline float |
| log(float __x) |
| { return __builtin_logf(__x); } |
| |
| inline long double |
| log(long double __x) |
| { return __builtin_logl(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
| double>::__type |
| log(_Tp __x) |
| { return __builtin_log(__x); } |
| |
| using ::log10; |
| |
| inline float |
| log10(float __x) |
| { return __builtin_log10f(__x); } |
| |
| inline long double |
| log10(long double __x) |
| { return __builtin_log10l(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
| double>::__type |
| log10(_Tp __x) |
| { return __builtin_log10(__x); } |
| |
| using ::modf; |
| |
| 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); } |
| |
| using ::pow; |
| |
| inline float |
| pow(float __x, float __y) |
| { return __builtin_powf(__x, __y); } |
| |
| inline long double |
| pow(long double __x, long double __y) |
| { return __builtin_powl(__x, __y); } |
| |
| #ifndef __GXX_EXPERIMENTAL_CXX0X__ |
| // _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 |
| |
| template<typename _Tp, typename _Up> |
| inline |
| 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; |
| |
| inline float |
| sin(float __x) |
| { return __builtin_sinf(__x); } |
| |
| inline long double |
| sin(long double __x) |
| { return __builtin_sinl(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
| double>::__type |
| sin(_Tp __x) |
| { return __builtin_sin(__x); } |
| |
| using ::sinh; |
| |
| inline float |
| sinh(float __x) |
| { return __builtin_sinhf(__x); } |
| |
| inline long double |
| sinh(long double __x) |
| { return __builtin_sinhl(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
| double>::__type |
| sinh(_Tp __x) |
| { return __builtin_sinh(__x); } |
| |
| using ::sqrt; |
| |
| inline float |
| sqrt(float __x) |
| { return __builtin_sqrtf(__x); } |
| |
| inline long double |
| sqrt(long double __x) |
| { return __builtin_sqrtl(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
| double>::__type |
| sqrt(_Tp __x) |
| { return __builtin_sqrt(__x); } |
| |
| using ::tan; |
| |
| inline float |
| tan(float __x) |
| { return __builtin_tanf(__x); } |
| |
| inline long double |
| tan(long double __x) |
| { return __builtin_tanl(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
| double>::__type |
| tan(_Tp __x) |
| { return __builtin_tan(__x); } |
| |
| using ::tanh; |
| |
| inline float |
| tanh(float __x) |
| { return __builtin_tanhf(__x); } |
| |
| inline long double |
| tanh(long double __x) |
| { return __builtin_tanhl(__x); } |
| |
| template<typename _Tp> |
| inline 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 |
| |
| #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| inline int |
| fpclassify(float __x) |
| { return __builtin_fpclassify(FP_NAN, FP_INFINITE, FP_NORMAL, |
| FP_SUBNORMAL, FP_ZERO, __x); } |
| |
| inline int |
| fpclassify(double __x) |
| { return __builtin_fpclassify(FP_NAN, FP_INFINITE, FP_NORMAL, |
| FP_SUBNORMAL, FP_ZERO, __x); } |
| |
| inline int |
| fpclassify(long double __x) |
| { return __builtin_fpclassify(FP_NAN, FP_INFINITE, FP_NORMAL, |
| FP_SUBNORMAL, FP_ZERO, __x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
| int>::__type |
| fpclassify(_Tp __x) |
| { return __x != 0 ? FP_NORMAL : FP_ZERO; } |
| |
| inline bool |
| isfinite(float __x) |
| { return __builtin_isfinite(__x); } |
| |
| inline bool |
| isfinite(double __x) |
| { return __builtin_isfinite(__x); } |
| |
| inline bool |
| isfinite(long double __x) |
| { return __builtin_isfinite(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
| bool>::__type |
| isfinite(_Tp __x) |
| { return true; } |
| |
| inline bool |
| isinf(float __x) |
| { return __builtin_isinf(__x); } |
| |
| inline bool |
| isinf(double __x) |
| { return __builtin_isinf(__x); } |
| |
| inline bool |
| isinf(long double __x) |
| { return __builtin_isinf(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
| bool>::__type |
| isinf(_Tp __x) |
| { return false; } |
| |
| inline bool |
| isnan(float __x) |
| { return __builtin_isnan(__x); } |
| |
| inline bool |
| isnan(double __x) |
| { return __builtin_isnan(__x); } |
| |
| inline bool |
| isnan(long double __x) |
| { return __builtin_isnan(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
| bool>::__type |
| isnan(_Tp __x) |
| { return false; } |
| |
| inline bool |
| isnormal(float __x) |
| { return __builtin_isnormal(__x); } |
| |
| inline bool |
| isnormal(double __x) |
| { return __builtin_isnormal(__x); } |
| |
| inline bool |
| isnormal(long double __x) |
| { return __builtin_isnormal(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
| bool>::__type |
| isnormal(_Tp __x) |
| { return __x != 0 ? true : false; } |
| |
| inline bool |
| signbit(float __x) |
| { return __builtin_signbit(__x); } |
| |
| inline bool |
| signbit(double __x) |
| { return __builtin_signbit(__x); } |
| |
| inline bool |
| signbit(long double __x) |
| { return __builtin_signbit(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
| bool>::__type |
| signbit(_Tp __x) |
| { return __x < 0 ? true : false; } |
| |
| inline bool |
| isgreater(float __x, float __y) |
| { return __builtin_isgreater(__x, __y); } |
| |
| inline bool |
| isgreater(double __x, double __y) |
| { return __builtin_isgreater(__x, __y); } |
| |
| inline bool |
| isgreater(long double __x, long double __y) |
| { return __builtin_isgreater(__x, __y); } |
| |
| template<typename _Tp, typename _Up> |
| inline 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)); |
| } |
| |
| inline bool |
| isgreaterequal(float __x, float __y) |
| { return __builtin_isgreaterequal(__x, __y); } |
| |
| inline bool |
| isgreaterequal(double __x, double __y) |
| { return __builtin_isgreaterequal(__x, __y); } |
| |
| inline bool |
| isgreaterequal(long double __x, long double __y) |
| { return __builtin_isgreaterequal(__x, __y); } |
| |
| template<typename _Tp, typename _Up> |
| inline 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)); |
| } |
| |
| inline bool |
| isless(float __x, float __y) |
| { return __builtin_isless(__x, __y); } |
| |
| inline bool |
| isless(double __x, double __y) |
| { return __builtin_isless(__x, __y); } |
| |
| inline bool |
| isless(long double __x, long double __y) |
| { return __builtin_isless(__x, __y); } |
| |
| template<typename _Tp, typename _Up> |
| inline 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)); |
| } |
| |
| inline bool |
| islessequal(float __x, float __y) |
| { return __builtin_islessequal(__x, __y); } |
| |
| inline bool |
| islessequal(double __x, double __y) |
| { return __builtin_islessequal(__x, __y); } |
| |
| inline bool |
| islessequal(long double __x, long double __y) |
| { return __builtin_islessequal(__x, __y); } |
| |
| template<typename _Tp, typename _Up> |
| inline 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)); |
| } |
| |
| inline bool |
| islessgreater(float __x, float __y) |
| { return __builtin_islessgreater(__x, __y); } |
| |
| inline bool |
| islessgreater(double __x, double __y) |
| { return __builtin_islessgreater(__x, __y); } |
| |
| inline bool |
| islessgreater(long double __x, long double __y) |
| { return __builtin_islessgreater(__x, __y); } |
| |
| template<typename _Tp, typename _Up> |
| inline 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)); |
| } |
| |
| inline bool |
| isunordered(float __x, float __y) |
| { return __builtin_isunordered(__x, __y); } |
| |
| inline bool |
| isunordered(double __x, double __y) |
| { return __builtin_isunordered(__x, __y); } |
| |
| inline bool |
| isunordered(long double __x, long double __y) |
| { return __builtin_isunordered(__x, __y); } |
| |
| template<typename _Tp, typename _Up> |
| inline 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 |
| |
| #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| |
| #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. |
| inline float |
| acosh(float __x) |
| { return __builtin_acoshf(__x); } |
| |
| inline long double |
| acosh(long double __x) |
| { return __builtin_acoshl(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__promote<_Tp>::__type |
| acosh(_Tp __x) |
| { |
| typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
| return acosh(__type(__x)); |
| } |
| |
| inline float |
| asinh(float __x) |
| { return __builtin_asinhf(__x); } |
| |
| inline long double |
| asinh(long double __x) |
| { return __builtin_asinhl(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__promote<_Tp>::__type |
| asinh(_Tp __x) |
| { |
| typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
| return asinh(__type(__x)); |
| } |
| |
| inline float |
| atanh(float __x) |
| { return __builtin_atanhf(__x); } |
| |
| inline long double |
| atanh(long double __x) |
| { return __builtin_atanhl(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__promote<_Tp>::__type |
| atanh(_Tp __x) |
| { |
| typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
| return atanh(__type(__x)); |
| } |
| |
| inline float |
| cbrt(float __x) |
| { return __builtin_cbrtf(__x); } |
| |
| inline long double |
| cbrt(long double __x) |
| { return __builtin_cbrtl(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__promote<_Tp>::__type |
| cbrt(_Tp __x) |
| { |
| typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
| return cbrt(__type(__x)); |
| } |
| |
| inline float |
| copysign(float __x, float __y) |
| { return __builtin_copysignf(__x, __y); } |
| |
| inline long double |
| copysign(long double __x, long double __y) |
| { return __builtin_copysignl(__x, __y); } |
| |
| template<typename _Tp, typename _Up> |
| inline 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)); |
| } |
| |
| inline float |
| erf(float __x) |
| { return __builtin_erff(__x); } |
| |
| inline long double |
| erf(long double __x) |
| { return __builtin_erfl(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__promote<_Tp>::__type |
| erf(_Tp __x) |
| { |
| typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
| return erf(__type(__x)); |
| } |
| |
| inline float |
| erfc(float __x) |
| { return __builtin_erfcf(__x); } |
| |
| inline long double |
| erfc(long double __x) |
| { return __builtin_erfcl(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__promote<_Tp>::__type |
| erfc(_Tp __x) |
| { |
| typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
| return erfc(__type(__x)); |
| } |
| |
| inline float |
| exp2(float __x) |
| { return __builtin_exp2f(__x); } |
| |
| inline long double |
| exp2(long double __x) |
| { return __builtin_exp2l(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__promote<_Tp>::__type |
| exp2(_Tp __x) |
| { |
| typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
| return exp2(__type(__x)); |
| } |
| |
| inline float |
| expm1(float __x) |
| { return __builtin_expm1f(__x); } |
| |
| inline long double |
| expm1(long double __x) |
| { return __builtin_expm1l(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__promote<_Tp>::__type |
| expm1(_Tp __x) |
| { |
| typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
| return expm1(__type(__x)); |
| } |
| |
| inline float |
| fdim(float __x, float __y) |
| { return __builtin_fdimf(__x, __y); } |
| |
| inline long double |
| fdim(long double __x, long double __y) |
| { return __builtin_fdiml(__x, __y); } |
| |
| template<typename _Tp, typename _Up> |
| inline 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)); |
| } |
| |
| inline float |
| fma(float __x, float __y, float __z) |
| { return __builtin_fmaf(__x, __y, __z); } |
| |
| inline 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> |
| inline 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)); |
| } |
| |
| inline float |
| fmax(float __x, float __y) |
| { return __builtin_fmaxf(__x, __y); } |
| |
| inline long double |
| fmax(long double __x, long double __y) |
| { return __builtin_fmaxl(__x, __y); } |
| |
| template<typename _Tp, typename _Up> |
| inline 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)); |
| } |
| |
| inline float |
| fmin(float __x, float __y) |
| { return __builtin_fminf(__x, __y); } |
| |
| inline long double |
| fmin(long double __x, long double __y) |
| { return __builtin_fminl(__x, __y); } |
| |
| template<typename _Tp, typename _Up> |
| inline 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)); |
| } |
| |
| inline float |
| hypot(float __x, float __y) |
| { return __builtin_hypotf(__x, __y); } |
| |
| inline long double |
| hypot(long double __x, long double __y) |
| { return __builtin_hypotl(__x, __y); } |
| |
| template<typename _Tp, typename _Up> |
| inline 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)); |
| } |
| |
| inline int |
| ilogb(float __x) |
| { return __builtin_ilogbf(__x); } |
| |
| inline int |
| ilogb(long double __x) |
| { return __builtin_ilogbl(__x); } |
| |
| template<typename _Tp> |
| inline int |
| ilogb(_Tp __x) |
| { |
| typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
| return ilogb(__type(__x)); |
| } |
| |
| inline float |
| lgamma(float __x) |
| { return __builtin_lgammaf(__x); } |
| |
| inline long double |
| lgamma(long double __x) |
| { return __builtin_lgammal(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__promote<_Tp>::__type |
| lgamma(_Tp __x) |
| { |
| typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
| return lgamma(__type(__x)); |
| } |
| |
| inline long long |
| llrint(float __x) |
| { return __builtin_llrintf(__x); } |
| |
| inline long long |
| llrint(long double __x) |
| { return __builtin_llrintl(__x); } |
| |
| template<typename _Tp> |
| inline long long |
| llrint(_Tp __x) |
| { |
| typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
| return llrint(__type(__x)); |
| } |
| |
| inline long long |
| llround(float __x) |
| { return __builtin_llroundf(__x); } |
| |
| inline long long |
| llround(long double __x) |
| { return __builtin_llroundl(__x); } |
| |
| template<typename _Tp> |
| inline long long |
| llround(_Tp __x) |
| { |
| typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
| return llround(__type(__x)); |
| } |
| |
| inline float |
| log1p(float __x) |
| { return __builtin_log1pf(__x); } |
| |
| inline long double |
| log1p(long double __x) |
| { return __builtin_log1pl(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__promote<_Tp>::__type |
| log1p(_Tp __x) |
| { |
| typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
| return log1p(__type(__x)); |
| } |
| |
| // DR 568. |
| inline float |
| log2(float __x) |
| { return __builtin_log2f(__x); } |
| |
| inline long double |
| log2(long double __x) |
| { return __builtin_log2l(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__promote<_Tp>::__type |
| log2(_Tp __x) |
| { |
| typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
| return log2(__type(__x)); |
| } |
| |
| inline float |
| logb(float __x) |
| { return __builtin_logbf(__x); } |
| |
| inline long double |
| logb(long double __x) |
| { return __builtin_logbl(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__promote<_Tp>::__type |
| logb(_Tp __x) |
| { |
| typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
| return logb(__type(__x)); |
| } |
| |
| inline long |
| lrint(float __x) |
| { return __builtin_lrintf(__x); } |
| |
| inline long |
| lrint(long double __x) |
| { return __builtin_lrintl(__x); } |
| |
| template<typename _Tp> |
| inline long |
| lrint(_Tp __x) |
| { |
| typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
| return lrint(__type(__x)); |
| } |
| |
| inline long |
| lround(float __x) |
| { return __builtin_lroundf(__x); } |
| |
| inline long |
| lround(long double __x) |
| { return __builtin_lroundl(__x); } |
| |
| template<typename _Tp> |
| inline long |
| lround(_Tp __x) |
| { |
| typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
| return lround(__type(__x)); |
| } |
| |
| inline float |
| nearbyint(float __x) |
| { return __builtin_nearbyintf(__x); } |
| |
| inline long double |
| nearbyint(long double __x) |
| { return __builtin_nearbyintl(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__promote<_Tp>::__type |
| nearbyint(_Tp __x) |
| { |
| typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
| return nearbyint(__type(__x)); |
| } |
| |
| inline float |
| nextafter(float __x, float __y) |
| { return __builtin_nextafterf(__x, __y); } |
| |
| inline long double |
| nextafter(long double __x, long double __y) |
| { return __builtin_nextafterl(__x, __y); } |
| |
| template<typename _Tp, typename _Up> |
| inline 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)); |
| } |
| |
| inline float |
| nexttoward(float __x, long double __y) |
| { return __builtin_nexttowardf(__x, __y); } |
| |
| inline long double |
| nexttoward(long double __x, long double __y) |
| { return __builtin_nexttowardl(__x, __y); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__promote<_Tp>::__type |
| nexttoward(_Tp __x, long double __y) |
| { |
| typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
| return nexttoward(__type(__x), __y); |
| } |
| |
| inline float |
| remainder(float __x, float __y) |
| { return __builtin_remainderf(__x, __y); } |
| |
| inline long double |
| remainder(long double __x, long double __y) |
| { return __builtin_remainderl(__x, __y); } |
| |
| template<typename _Tp, typename _Up> |
| inline 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); |
| } |
| |
| inline float |
| rint(float __x) |
| { return __builtin_rintf(__x); } |
| |
| inline long double |
| rint(long double __x) |
| { return __builtin_rintl(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__promote<_Tp>::__type |
| rint(_Tp __x) |
| { |
| typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
| return rint(__type(__x)); |
| } |
| |
| inline float |
| round(float __x) |
| { return __builtin_roundf(__x); } |
| |
| inline long double |
| round(long double __x) |
| { return __builtin_roundl(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__promote<_Tp>::__type |
| round(_Tp __x) |
| { |
| typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
| return round(__type(__x)); |
| } |
| |
| inline float |
| scalbln(float __x, long __ex) |
| { return __builtin_scalblnf(__x, __ex); } |
| |
| inline long double |
| scalbln(long double __x, long __ex) |
| { return __builtin_scalblnl(__x, __ex); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__promote<_Tp>::__type |
| scalbln(_Tp __x, long __ex) |
| { |
| typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
| return scalbln(__type(__x), __ex); |
| } |
| |
| inline float |
| scalbn(float __x, int __ex) |
| { return __builtin_scalbnf(__x, __ex); } |
| |
| inline long double |
| scalbn(long double __x, int __ex) |
| { return __builtin_scalbnl(__x, __ex); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__promote<_Tp>::__type |
| scalbn(_Tp __x, int __ex) |
| { |
| typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
| return scalbn(__type(__x), __ex); |
| } |
| |
| inline float |
| tgamma(float __x) |
| { return __builtin_tgammaf(__x); } |
| |
| inline long double |
| tgamma(long double __x) |
| { return __builtin_tgammal(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__promote<_Tp>::__type |
| tgamma(_Tp __x) |
| { |
| typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
| return tgamma(__type(__x)); |
| } |
| |
| inline float |
| trunc(float __x) |
| { return __builtin_truncf(__x); } |
| |
| inline long double |
| trunc(long double __x) |
| { return __builtin_truncl(__x); } |
| |
| template<typename _Tp> |
| inline typename __gnu_cxx::__promote<_Tp>::__type |
| trunc(_Tp __x) |
| { |
| typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
| return trunc(__type(__x)); |
| } |
| |
| _GLIBCXX_END_NAMESPACE_VERSION |
| } // namespace |
| |
| #endif // _GLIBCXX_USE_C99_MATH_TR1 |
| |
| #endif // __GXX_EXPERIMENTAL_CXX0X__ |
| |
| #endif |
