/*===---- float.h - Characteristics of floating point types ----------------=== * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * *===-----------------------------------------------------------------------=== */ #ifndef __FLOAT_H #define __FLOAT_H /* If we're on MinGW, fall back to the system's float.h, which might have * additional definitions provided for Windows. * For more details see http://msdn.microsoft.com/en-us/library/y0ybw9fy.aspx * * Also fall back on Darwin to allow additional definitions and * implementation-defined values. */ #if (defined(__APPLE__) || (defined(__MINGW32__) || defined(_MSC_VER))) && \ __STDC_HOSTED__ && __has_include_next() /* Prior to Apple's 10.7 SDK, float.h SDK header used to apply an extra level * of #include_next to keep Metrowerks compilers happy. Avoid this * extra indirection. */ #ifdef __APPLE__ #define _FLOAT_H_ #endif # include_next /* Undefine anything that we'll be redefining below. */ # undef FLT_EVAL_METHOD # undef FLT_ROUNDS # undef FLT_RADIX # undef FLT_MANT_DIG # undef DBL_MANT_DIG # undef LDBL_MANT_DIG # if __STDC_VERSION__ >= 199901L || !defined(__STRICT_ANSI__) # undef DECIMAL_DIG # endif # undef FLT_DIG # undef DBL_DIG # undef LDBL_DIG # undef FLT_MIN_EXP # undef DBL_MIN_EXP # undef LDBL_MIN_EXP # undef FLT_MIN_10_EXP # undef DBL_MIN_10_EXP # undef LDBL_MIN_10_EXP # undef FLT_MAX_EXP # undef DBL_MAX_EXP # undef LDBL_MAX_EXP # undef FLT_MAX_10_EXP # undef DBL_MAX_10_EXP # undef LDBL_MAX_10_EXP # undef FLT_MAX # undef DBL_MAX # undef LDBL_MAX # undef FLT_EPSILON # undef DBL_EPSILON # undef LDBL_EPSILON # undef FLT_MIN # undef DBL_MIN # undef LDBL_MIN # if __STDC_VERSION__ >= 201112L || !defined(__STRICT_ANSI__) # undef FLT_TRUE_MIN # undef DBL_TRUE_MIN # undef LDBL_TRUE_MIN # undef FLT_DECIMAL_DIG # undef DBL_DECIMAL_DIG # undef LDBL_DECIMAL_DIG # endif #endif /* Characteristics of floating point types, C99 5.2.4.2.2 */ #define FLT_EVAL_METHOD __FLT_EVAL_METHOD__ #define FLT_ROUNDS (__builtin_flt_rounds()) #define FLT_RADIX __FLT_RADIX__ #define FLT_MANT_DIG __FLT_MANT_DIG__ #define DBL_MANT_DIG __DBL_MANT_DIG__ #define LDBL_MANT_DIG __LDBL_MANT_DIG__ #if __STDC_VERSION__ >= 199901L || !defined(__STRICT_ANSI__) # define DECIMAL_DIG __DECIMAL_DIG__ #endif #define FLT_DIG __FLT_DIG__ #define DBL_DIG __DBL_DIG__ #define LDBL_DIG __LDBL_DIG__ #define FLT_MIN_EXP __FLT_MIN_EXP__ #define DBL_MIN_EXP __DBL_MIN_EXP__ #define LDBL_MIN_EXP __LDBL_MIN_EXP__ #define FLT_MIN_10_EXP __FLT_MIN_10_EXP__ #define DBL_MIN_10_EXP __DBL_MIN_10_EXP__ #define LDBL_MIN_10_EXP __LDBL_MIN_10_EXP__ #define FLT_MAX_EXP __FLT_MAX_EXP__ #define DBL_MAX_EXP __DBL_MAX_EXP__ #define LDBL_MAX_EXP __LDBL_MAX_EXP__ #define FLT_MAX_10_EXP __FLT_MAX_10_EXP__ #define DBL_MAX_10_EXP __DBL_MAX_10_EXP__ #define LDBL_MAX_10_EXP __LDBL_MAX_10_EXP__ #define FLT_MAX __FLT_MAX__ #define DBL_MAX __DBL_MAX__ #define LDBL_MAX __LDBL_MAX__ #define FLT_EPSILON __FLT_EPSILON__ #define DBL_EPSILON __DBL_EPSILON__ #define LDBL_EPSILON __LDBL_EPSILON__ #define FLT_MIN __FLT_MIN__ #define DBL_MIN __DBL_MIN__ #define LDBL_MIN __LDBL_MIN__ #if __STDC_VERSION__ >= 201112L || !defined(__STRICT_ANSI__) # define FLT_TRUE_MIN __FLT_DENORM_MIN__ # define DBL_TRUE_MIN __DBL_DENORM_MIN__ # define LDBL_TRUE_MIN __LDBL_DENORM_MIN__ # define FLT_DECIMAL_DIG __FLT_DECIMAL_DIG__ # define DBL_DECIMAL_DIG __DBL_DECIMAL_DIG__ # define LDBL_DECIMAL_DIG __LDBL_DECIMAL_DIG__ #endif #ifdef __STDC_WANT_IEC_60559_TYPES_EXT__ # define FLT16_MANT_DIG __FLT16_MANT_DIG__ # define FLT16_DECIMAL_DIG __FLT16_DECIMAL_DIG__ # define FLT16_DIG __FLT16_DIG__ # define FLT16_MIN_EXP __FLT16_MIN_EXP__ # define FLT16_MIN_10_EXP __FLT16_MIN_10_EXP__ # define FLT16_MAX_EXP __FLT16_MAX_EXP__ # define FLT16_MAX_10_EXP __FLT16_MAX_10_EXP__ # define FLT16_MAX __FLT16_MAX__ # define FLT16_EPSILON __FLT16_EPSILON__ # define FLT16_MIN __FLT16_MIN__ # define FLT16_TRUE_MIN __FLT16_TRUE_MIN__ #endif /* __STDC_WANT_IEC_60559_TYPES_EXT__ */ #endif /* __FLOAT_H */