| /*===---- 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 |
| */ |
| #if defined(__MINGW32__) && \ |
| defined(__has_include_next) && __has_include_next(<float.h>) |
| # include_next <float.h> |
| |
| /* 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 |
| # undef DECIMAL_DIG |
| # 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 |
| #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__ |
| |
| #define DECIMAL_DIG __DECIMAL_DIG__ |
| |
| #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__ |
| |
| #endif /* __FLOAT_H */ |