float.h

/*
 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
 * Copyright (c) 2021, Mițca Dumitru <dumitru0mitca@gmail.com>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#pragma once

// Defined in fenv.cpp, but we must not include fenv.h, so here's its prototype.
int fegetround(void);

#define FLT_RADIX 2
#define DECIMAL_DIG 21
#define FLT_DECIMAL_DIG 9
#define DBL_DECIMAL_DIG 17
#define LDBL_DECIMAL_DIG 21
#define FLT_MIN 1.17549e-38
#define DBL_MIN 2.22507e-308
#define LDBL_MIN 3.3621e-4932
#define FLT_TRUE_MIN 1.4013e-45
#define DBL_TRUE_MIN 4.94066e-324
#define LDBL_TRUE_MIN 3.6452e-4951
#define FLT_MAX 3.40282e+38
#define DBL_MAX 1.79769e+308
#define LDBL_MAX 1.18973e+4932
#define FLT_EPSILON 1.19209e-07
#define DBL_EPSILON 2.22045e-16
#define LDBL_EPSILON 1.0842e-19
#define FLT_DIG 6
#define DBL_DIG 15
#define LDBL_DIG 18
#define FLT_MANT_DIG 24
#define DBL_MANT_DIG 53
#define LDBL_MANT_DIG 64
#define FLT_MIN_EXP -125
#define DBL_MIN_EXP -1021
#define LDBL_MIN_EXP -16381
#define FLT_MIN_10_EXP -37
#define DBL_MIN_10_EXP -307
#define LDBL_MIN_10_EXP -4931
#define FLT_MAX_EXP 128
#define DBL_MAX_EXP 1024
#define LDBL_MAX_EXP 16384
#define FLT_MAX_10_EXP 38
#define DBL_MAX_10_EXP 308
#define LDBL_MAX_10_EXP 4932

#define FLT_ROUNDS (fegetround()) // Note: this not might be true for non-x86 platforms

#define FLT_HAS_SUBNORM 1
#define DBL_HAS_SUBNORM 1
#define LDBL_HAS_SUBNORM 1