third-party-mirror / GRTEv4 / 262be5abc585813b1766119db73641d44ba3741e / . / google3 / third_party / grte / v4_src / glibc-2.19 / bits / mathdef.h

/* Copyright (C) 1997-2014 Free Software Foundation, Inc. | |

This file is part of the GNU C Library. | |

The GNU C Library is free software; you can redistribute it and/or | |

modify it under the terms of the GNU Lesser General Public | |

License as published by the Free Software Foundation; either | |

version 2.1 of the License, or (at your option) any later version. | |

The GNU C 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 | |

Lesser General Public License for more details. | |

You should have received a copy of the GNU Lesser General Public | |

License along with the GNU C Library; if not, see | |

<http://www.gnu.org/licenses/>. */ | |

#if !defined _MATH_H && !defined _COMPLEX_H | |

# error "Never use <bits/mathdef.h> directly; include <math.h> instead" | |

#endif | |

#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF | |

# define _MATH_H_MATHDEF 1 | |

/* Normally, there is no long double type and the `float' and `double' | |

expressions are evaluated as `double'. */ | |

typedef double float_t; /* `float' expressions are evaluated as | |

`double'. */ | |

typedef double double_t; /* `double' expressions are evaluated as | |

`double'. */ | |

/* The values returned by `ilogb' for 0 and NaN respectively. */ | |

# define FP_ILOGB0 (-2147483647) | |

# define FP_ILOGBNAN 2147483647 | |

/* The GCC 4.6 compiler will define __FP_FAST_FMA{,F,L} if the fma{,f,l} | |

builtins are supported. */ | |

#if __FP_FAST_FMA | |

# define FP_FAST_FMA 1 | |

#endif | |

#if __FP_FAST_FMAF | |

# define FP_FAST_FMAF 1 | |

#endif | |

#if __FP_FAST_FMAL | |

# define FP_FAST_FMAL 1 | |

#endif | |

#endif /* ISO C99 */ | |

#ifndef __NO_LONG_DOUBLE_MATH | |

/* Signal that we do not really have a `long double'. The disables the | |

declaration of all the `long double' function variants. */ | |

# define __NO_LONG_DOUBLE_MATH 1 | |

#endif |