float.h

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/*
 * Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */
 
#ifndef _PICO_FLOAT_H
#define _PICO_FLOAT_H
 
#include <math.h>
#include <float.h>
#include "pico.h"
#include "pico/bootrom/sf_table.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
float int2float(int32_t f);
float uint2float(uint32_t f);
float int642float(int64_t f);
float uint642float(uint64_t f);
float fix2float(int32_t m, int e);
float ufix2float(uint32_t m, int e);
float fix642float(int64_t m, int e);
float ufix642float(uint64_t m, int e);
 
// These methods round towards -Infinity.
int32_t float2fix(float f, int e);
uint32_t float2ufix(float f, int e);
int64_t float2fix64(float f, int e);
uint64_t float2ufix64(float f, int e);
int32_t float2int(float f);
uint32_t float2uint(float f);
int64_t float2int64(float f);
uint64_t float2uint64(float f);
 
// These methods round towards 0.
int32_t float2int_z(float f);
int64_t float2int64_z(float f);
int32_t float2uint_z(float f);
int64_t float2uint64_z(float f);
 
float exp10f(float x);
void sincosf(float x, float *sinx, float *cosx);
float powintf(float x, int y);
 
#if !PICO_RP2040 || PICO_COMBINED_DOCS
int64_t float2fix64_z(float f, int e);
float fdiv_fast(float n, float d);
float fsqrt_fast(float f);
#endif
 
#ifdef __cplusplus
}
#endif
 
#endif