--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mingw-5.1.4/win32/include/c++/3.4.5/cmath	Fri Apr 03 17:16:45 2009 +0100
@@ -0,0 +1,595 @@
+// -*- C++ -*- C forwarding header.
+
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003
+// 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 2, 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.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+//
+// ISO C++ 14882: 26.5  C library
+//
+
+/** @file cmath
+ *  This is a Standard C++ Library file.  You should @c #include this file
+ *  in your programs, rather than any of the "*.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.
+ */
+
+#ifndef _GLIBCXX_CMATH
+#define _GLIBCXX_CMATH 1
+
+#pragma GCC system_header
+
+#include <bits/c++config.h>
+#include <bits/cpp_type_traits.h>
+
+#include <math.h>
+
+// 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
+{
+  // Forward declaration of a helper function.  This really should be
+  // an `exported' forward declaration.
+  template<typename _Tp> _Tp __cmath_power(_Tp, unsigned int);
+
+  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); }
+
+  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 __enable_if<double, __is_integer<_Tp>::_M_type>::_M_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 __enable_if<double, __is_integer<_Tp>::_M_type>::_M_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 __enable_if<double, __is_integer<_Tp>::_M_type>::_M_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 __enable_if<double, __is_integer<_Tp>::_M_type
+                                        && __is_integer<_Up>::_M_type>::_M_type
+    atan2(_Tp __y, _Up __x)
+    { return __builtin_atan2(__y, __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 __enable_if<double, __is_integer<_Tp>::_M_type>::_M_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 __enable_if<double, __is_integer<_Tp>::_M_type>::_M_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 __enable_if<double, __is_integer<_Tp>::_M_type>::_M_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 __enable_if<double, __is_integer<_Tp>::_M_type>::_M_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 __enable_if<double, __is_integer<_Tp>::_M_type>::_M_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 __enable_if<double, __is_integer<_Tp>::_M_type>::_M_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 __enable_if<double, __is_integer<_Tp>::_M_type>::_M_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 __enable_if<double, __is_integer<_Tp>::_M_type>::_M_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 __enable_if<double, __is_integer<_Tp>::_M_type>::_M_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 __enable_if<double, __is_integer<_Tp>::_M_type>::_M_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); }
+
+  template<typename _Tp>
+    inline _Tp
+    __pow_helper(_Tp __x, int __n)
+    {
+      return __n < 0
+        ? _Tp(1)/__cmath_power(__x, -__n)
+        : __cmath_power(__x, __n);
+    }
+
+  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); }
+
+  inline double
+  pow(double __x, int __i)
+  { return __pow_helper(__x, __i); }
+
+  inline float
+  pow(float __x, int __n)
+  { return __pow_helper(__x, __n); }
+
+  inline long double
+  pow(long double __x, int __n)
+  { return __pow_helper(__x, __n); }
+
+  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 __enable_if<double, __is_integer<_Tp>::_M_type>::_M_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 __enable_if<double, __is_integer<_Tp>::_M_type>::_M_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 __enable_if<double, __is_integer<_Tp>::_M_type>::_M_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 __enable_if<double, __is_integer<_Tp>::_M_type>::_M_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 __enable_if<double, __is_integer<_Tp>::_M_type>::_M_type
+    tanh(_Tp __x)
+    { return __builtin_tanh(__x); }
+}
+
+#if _GLIBCXX_USE_C99_MATH
+#if !_GLIBCXX_USE_C99_FP_MACROS_DYNAMIC
+// These are possible macros imported from C99-land. For strict
+// conformance, remove possible C99-injected names from the global
+// namespace, and sequester them in the __gnu_cxx extension namespace.
+namespace __gnu_cxx
+{
+  template<typename _Tp>
+    inline int
+    __capture_fpclassify(_Tp __f) { return fpclassify(__f); }
+
+  template<typename _Tp>
+    inline int
+    __capture_isfinite(_Tp __f) { return isfinite(__f); }
+
+  template<typename _Tp>
+    inline int
+    __capture_isinf(_Tp __f) { return isinf(__f); }
+
+  template<typename _Tp>
+    inline int
+    __capture_isnan(_Tp __f) { return isnan(__f); }
+
+  template<typename _Tp>
+    inline int
+    __capture_isnormal(_Tp __f) { return isnormal(__f); }
+
+  template<typename _Tp>
+    inline int
+    __capture_signbit(_Tp __f) { return signbit(__f); }
+
+  template<typename _Tp>
+    inline int
+    __capture_isgreater(_Tp __f1, _Tp __f2)
+    { return isgreater(__f1, __f2); }
+
+  template<typename _Tp>
+    inline int
+    __capture_isgreaterequal(_Tp __f1, _Tp __f2)
+    { return isgreaterequal(__f1, __f2); }
+
+  template<typename _Tp>
+    inline int
+    __capture_isless(_Tp __f1, _Tp __f2) { return isless(__f1, __f2); }
+
+  template<typename _Tp>
+    inline int
+    __capture_islessequal(_Tp __f1, _Tp __f2)
+    { return islessequal(__f1, __f2); }
+
+  template<typename _Tp>
+    inline int
+    __capture_islessgreater(_Tp __f1, _Tp __f2)
+    { return islessgreater(__f1, __f2); }
+
+  template<typename _Tp>
+    inline int
+    __capture_isunordered(_Tp __f1, _Tp __f2)
+    { return isunordered(__f1, __f2); }
+}
+
+// Only undefine the C99 FP macros, if actually captured for namespace movement
+#undef fpclassify
+#undef isfinite
+#undef isinf
+#undef isnan
+#undef isnormal
+#undef signbit
+#undef isgreater
+#undef isgreaterequal
+#undef isless
+#undef islessequal
+#undef islessgreater
+#undef isunordered
+#endif /* _GLIBCXX_USE_C99_FP_MACROS_DYNAMIC */
+#endif
+
+#if _GLIBCXX_USE_C99_MATH
+#if !_GLIBCXX_USE_C99_FP_MACROS_DYNAMIC
+namespace __gnu_cxx
+{
+  template<typename _Tp>
+    inline int
+    fpclassify(_Tp __f) { return __capture_fpclassify(__f); }
+
+  template<typename _Tp>
+    inline int
+    isfinite(_Tp __f) { return __capture_isfinite(__f); }
+
+  template<typename _Tp>
+    inline int
+    isinf(_Tp __f) { return __capture_isinf(__f); }
+
+  template<typename _Tp>
+    inline int
+    isnan(_Tp __f) { return __capture_isnan(__f); }
+
+  template<typename _Tp>
+    inline int
+    isnormal(_Tp __f) { return __capture_isnormal(__f); }
+
+  template<typename _Tp>
+    inline int
+    signbit(_Tp __f) { return __capture_signbit(__f); }
+
+  template<typename _Tp>
+    inline int
+    isgreater(_Tp __f1, _Tp __f2) { return __capture_isgreater(__f1, __f2); }
+
+  template<typename _Tp>
+    inline int
+    isgreaterequal(_Tp __f1, _Tp __f2)
+    { return __capture_isgreaterequal(__f1, __f2); }
+
+  template<typename _Tp>
+    inline int
+    isless(_Tp __f1, _Tp __f2) { return __capture_isless(__f1, __f2); }
+
+  template<typename _Tp>
+    inline int
+    islessequal(_Tp __f1, _Tp __f2)
+    { return __capture_islessequal(__f1, __f2); }
+
+  template<typename _Tp>
+    inline int
+    islessgreater(_Tp __f1, _Tp __f2)
+    { return __capture_islessgreater(__f1, __f2); }
+
+  template<typename _Tp>
+    inline int
+    isunordered(_Tp __f1, _Tp __f2)
+    { return __capture_isunordered(__f1, __f2); }
+}
+
+namespace std
+{
+  using __gnu_cxx::fpclassify;
+  using __gnu_cxx::isfinite;
+  using __gnu_cxx::isinf;
+  using __gnu_cxx::isnan;
+  using __gnu_cxx::isnormal;
+  using __gnu_cxx::signbit;
+  using __gnu_cxx::isgreater;
+  using __gnu_cxx::isgreaterequal;
+  using __gnu_cxx::isless;
+  using __gnu_cxx::islessequal;
+  using __gnu_cxx::islessgreater;
+  using __gnu_cxx::isunordered;
+}
+#endif /* _GLIBCXX_USE_C99_FP_MACROS_DYNAMIC */
+#endif
+
+#ifndef _GLIBCXX_EXPORT_TEMPLATE
+# include <bits/cmath.tcc>
+#endif
+
+#endif