| /* |
| * 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); |
