X-Git-Url: http://wagnertech.de/git?a=blobdiff_plain;f=i686-linux-gnu-4.7%2Fusr%2Finclude%2Fc%2B%2B%2F4.7%2Fcmath;fp=i686-linux-gnu-4.7%2Fusr%2Finclude%2Fc%2B%2B%2F4.7%2Fcmath;h=75d1a02e1ed6854316107aa71b70c64d6d0c422c;hb=94df942c2c7bd3457276fe5b7367623cbb8c1302;hp=0000000000000000000000000000000000000000;hpb=4dd7d9155a920895ff7b1cb6b9c9c676aa62000a;p=cross.git

diff --git a/i686-linux-gnu-4.7/usr/include/c++/4.7/cmath b/i686-linux-gnu-4.7/usr/include/c++/4.7/cmath
new file mode 100644
index 0000000..75d1a02
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/c++/4.7/cmath
@@ -0,0 +1,1688 @@
+// -*- 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
+
+#if !defined(__CORRECT_ISO_CPP_MATH_H_PROTO1) \
+  && !defined(__CORRECT_ISO_CPP_MATH_H_PROTO2)
+  inline _GLIBCXX_CONSTEXPR double
+  abs(double __x)
+  { return __builtin_fabs(__x); }
+#endif
+
+#ifndef __CORRECT_ISO_CPP_MATH_H_PROTO1
+  inline _GLIBCXX_CONSTEXPR float
+  abs(float __x)
+  { return __builtin_fabsf(__x); }
+
+  inline _GLIBCXX_CONSTEXPR long double
+  abs(long double __x)
+  { return __builtin_fabsl(__x); }
+#endif
+
+  template<typename _Tp>
+    inline _GLIBCXX_CONSTEXPR
+    typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
+                                    double>::__type
+    abs(_Tp __x)
+    { return __builtin_fabs(__x); }
+
+  using ::acos;
+
+#ifndef __CORRECT_ISO_CPP_MATH_H_PROTO1
+  inline _GLIBCXX_CONSTEXPR float
+  acos(float __x)
+  { return __builtin_acosf(__x); }
+
+  inline _GLIBCXX_CONSTEXPR long double
+  acos(long double __x)
+  { return __builtin_acosl(__x); }
+#endif
+
+  template<typename _Tp>
+    inline _GLIBCXX_CONSTEXPR
+    typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
+                                    double>::__type
+    acos(_Tp __x)
+    { return __builtin_acos(__x); }
+
+  using ::asin;
+
+#ifndef __CORRECT_ISO_CPP_MATH_H_PROTO1
+  inline _GLIBCXX_CONSTEXPR float
+  asin(float __x)
+  { return __builtin_asinf(__x); }
+
+  inline _GLIBCXX_CONSTEXPR long double
+  asin(long double __x)
+  { return __builtin_asinl(__x); }
+#endif
+
+  template<typename _Tp>
+    inline _GLIBCXX_CONSTEXPR
+    typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
+                                    double>::__type
+    asin(_Tp __x)
+    { return __builtin_asin(__x); }
+
+  using ::atan;
+
+#ifndef __CORRECT_ISO_CPP_MATH_H_PROTO1
+  inline _GLIBCXX_CONSTEXPR float
+  atan(float __x)
+  { return __builtin_atanf(__x); }
+
+  inline _GLIBCXX_CONSTEXPR long double
+  atan(long double __x)
+  { return __builtin_atanl(__x); }
+#endif
+
+  template<typename _Tp>
+    inline _GLIBCXX_CONSTEXPR
+    typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
+                                    double>::__type
+    atan(_Tp __x)
+    { return __builtin_atan(__x); }
+
+  using ::atan2;
+
+#ifndef __CORRECT_ISO_CPP_MATH_H_PROTO1
+  inline _GLIBCXX_CONSTEXPR float
+  atan2(float __y, float __x)
+  { return __builtin_atan2f(__y, __x); }
+
+  inline _GLIBCXX_CONSTEXPR long double
+  atan2(long double __y, long double __x)
+  { return __builtin_atan2l(__y, __x); }
+#endif
+
+  template<typename _Tp, typename _Up>
+    inline _GLIBCXX_CONSTEXPR
+    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;
+
+#ifndef __CORRECT_ISO_CPP_MATH_H_PROTO1
+  inline _GLIBCXX_CONSTEXPR float
+  ceil(float __x)
+  { return __builtin_ceilf(__x); }
+
+  inline _GLIBCXX_CONSTEXPR long double
+  ceil(long double __x)
+  { return __builtin_ceill(__x); }
+#endif
+
+  template<typename _Tp>
+    inline _GLIBCXX_CONSTEXPR
+    typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
+                                    double>::__type
+    ceil(_Tp __x)
+    { return __builtin_ceil(__x); }
+
+  using ::cos;
+
+#ifndef __CORRECT_ISO_CPP_MATH_H_PROTO1
+  inline _GLIBCXX_CONSTEXPR float
+  cos(float __x)
+  { return __builtin_cosf(__x); }
+
+  inline _GLIBCXX_CONSTEXPR long double
+  cos(long double __x)
+  { return __builtin_cosl(__x); }
+#endif
+
+  template<typename _Tp>
+    inline _GLIBCXX_CONSTEXPR
+    typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
+                                    double>::__type
+    cos(_Tp __x)
+    { return __builtin_cos(__x); }
+
+  using ::cosh;
+
+#ifndef __CORRECT_ISO_CPP_MATH_H_PROTO1
+  inline _GLIBCXX_CONSTEXPR float
+  cosh(float __x)
+  { return __builtin_coshf(__x); }
+
+  inline _GLIBCXX_CONSTEXPR long double
+  cosh(long double __x)
+  { return __builtin_coshl(__x); }
+#endif
+
+  template<typename _Tp>
+    inline _GLIBCXX_CONSTEXPR
+    typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
+                                    double>::__type
+    cosh(_Tp __x)
+    { return __builtin_cosh(__x); }
+
+  using ::exp;
+
+#ifndef __CORRECT_ISO_CPP_MATH_H_PROTO1
+  inline _GLIBCXX_CONSTEXPR float
+  exp(float __x)
+  { return __builtin_expf(__x); }
+
+  inline _GLIBCXX_CONSTEXPR long double
+  exp(long double __x)
+  { return __builtin_expl(__x); }
+#endif
+
+  template<typename _Tp>
+    inline _GLIBCXX_CONSTEXPR
+    typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
+                                    double>::__type
+    exp(_Tp __x)
+    { return __builtin_exp(__x); }
+
+  using ::fabs;
+
+#ifndef __CORRECT_ISO_CPP_MATH_H_PROTO1
+  inline _GLIBCXX_CONSTEXPR float
+  fabs(float __x)
+  { return __builtin_fabsf(__x); }
+
+  inline _GLIBCXX_CONSTEXPR long double
+  fabs(long double __x)
+  { return __builtin_fabsl(__x); }
+#endif
+
+  template<typename _Tp>
+    inline _GLIBCXX_CONSTEXPR
+    typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
+                                    double>::__type
+    fabs(_Tp __x)
+    { return __builtin_fabs(__x); }
+
+  using ::floor;
+
+#ifndef __CORRECT_ISO_CPP_MATH_H_PROTO1
+  inline _GLIBCXX_CONSTEXPR float
+  floor(float __x)
+  { return __builtin_floorf(__x); }
+
+  inline _GLIBCXX_CONSTEXPR long double
+  floor(long double __x)
+  { return __builtin_floorl(__x); }
+#endif
+
+  template<typename _Tp>
+    inline _GLIBCXX_CONSTEXPR
+    typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
+                                    double>::__type
+    floor(_Tp __x)
+    { return __builtin_floor(__x); }
+
+  using ::fmod;
+
+#ifndef __CORRECT_ISO_CPP_MATH_H_PROTO1
+  inline _GLIBCXX_CONSTEXPR float
+  fmod(float __x, float __y)
+  { return __builtin_fmodf(__x, __y); }
+
+  inline _GLIBCXX_CONSTEXPR long double
+  fmod(long double __x, long double __y)
+  { return __builtin_fmodl(__x, __y); }
+#endif
+
+  template<typename _Tp, typename _Up>
+    inline _GLIBCXX_CONSTEXPR
+    typename __gnu_cxx::__promote_2<_Tp, _Up>::__type
+    fmod(_Tp __x, _Up __y)
+    {
+      typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type;
+      return fmod(__type(__x), __type(__y));
+    }
+
+  using ::frexp;
+
+#ifndef __CORRECT_ISO_CPP_MATH_H_PROTO1
+  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); }
+#endif
+
+  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_PROTO1
+  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_PROTO1
+  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)
+    { return __builtin_log(__x); }
+
+  using ::log10;
+
+#ifndef __CORRECT_ISO_CPP_MATH_H_PROTO1
+  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_PROTO1
+  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_PROTO1
+  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); }
+
+#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
+#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_PROTO1
+  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_PROTO1
+  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_PROTO1
+  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_PROTO1
+  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_PROTO1
+  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
+
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+  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
+
+#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.
+  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 // __GXX_EXPERIMENTAL_CXX0X__
+
+#endif