Files
CWasm/std/float.h

68 lines
2.0 KiB
C

/*
File: float.h
Author: Taylor Robbins
Date: 08\28\2025
*/
#ifndef _FLOAT_H
#define _FLOAT_H
//TODO: Can we comment all of these defines to describe in detail what the values are?
// inline int __flt_rounds() { return FE_TONEAREST; }
// #define FLT_ROUNDS (__flt_rounds())
#define FLT_EVAL_METHOD __FLT_EVAL_METHOD__
#define FLT_RADIX 2
#define FLT_TRUE_MIN 1.40129846432481707092e-45F
#define FLT_MIN 1.17549435082228750797e-38F
#define FLT_MAX 3.40282346638528859812e+38F
#define FLT_EPSILON 1.1920928955078125e-07F
#define FLT_MANT_DIG 24
#define FLT_MIN_EXP (-125)
#define FLT_MAX_EXP 128
#define FLT_HAS_SUBNORM 1
#define FLT_DIG 6
#define FLT_DECIMAL_DIG 9
#define FLT_MIN_10_EXP (-37)
#define FLT_MAX_10_EXP 38
#define DBL_TRUE_MIN 4.94065645841246544177e-324
#define DBL_MIN 2.22507385850720138309e-308
#define DBL_MAX 1.79769313486231570815e+308
#define DBL_EPSILON 2.22044604925031308085e-16
#define DBL_MANT_DIG 53
#define DBL_MIN_EXP (-1021)
#define DBL_MAX_EXP 1024
#define DBL_HAS_SUBNORM 1
#define DBL_DIG 15
#define DBL_DECIMAL_DIG 17
#define DBL_MIN_10_EXP (-307)
#define DBL_MAX_10_EXP 308
//NOTE: long double is an allowed type in WASM32 but casting that long double to double results in an import for __trunctfdf2 being generated. We're just not going to use long doubles for now...
// #define LDBL_HAS_SUBNORM 1
// #define LDBL_DECIMAL_DIG DECIMAL_DIG
// #define LDBL_TRUE_MIN 6.47517511943802511092443895822764655e-4966L
// #define LDBL_MIN 3.36210314311209350626267781732175260e-4932L
// #define LDBL_MAX 1.18973149535723176508575932662800702e+4932L
// #define LDBL_EPSILON 1.92592994438723585305597794258492732e-34L
// #define LDBL_MANT_DIG 113
// #define LDBL_MIN_EXP (-16381)
// #define LDBL_MAX_EXP 16384
// #define LDBL_DIG 33
// #define LDBL_MIN_10_EXP (-4931)
// #define LDBL_MAX_10_EXP 4932
#define DECIMAL_DIG 36
#endif // _FLOAT_H