blob: c42ebe64b9e6bac9d086a343744ac136a4bf1492 [file] [log] [blame]
/*
* Common Float Helpers
*
* Copyright (c) 2019, 2024 Linaro
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <inttypes.h>
/* Some hosts do not have support for all of these; not required by ISO C. */
#ifndef FE_OVERFLOW
#define FE_OVERFLOW 0
#endif
#ifndef FE_UNDERFLOW
#define FE_UNDERFLOW 0
#endif
#ifndef FE_DIVBYZERO
#define FE_DIVBYZERO 0
#endif
#ifndef FE_INEXACT
#define FE_INEXACT 0
#endif
#ifndef FE_INVALID
#define FE_INVALID 0
#endif
/* Number of constants in each table */
int get_num_f16(void);
int get_num_f32(void);
int get_num_f64(void);
/* Accessor helpers, overflows will automatically wrap */
uint16_t get_f16(int i); /* use _Float16 when we can */
float get_f32(int i);
double get_f64(int i);
/* Return format strings, free after use */
char * fmt_f16(uint16_t);
char * fmt_f32(float);
char * fmt_f64(double);
/* exception flags */
char * fmt_flags(void);