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 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);
int64_t float2int64(float f);

// These methods round towards 0.
int32_t float2int_z(float f);
int64_t float2int64_z(float f);

float exp10f(float x);
void sincosf(float x, float *sinx, float *cosx);
float powintf(float x, int y);

#ifdef __cplusplus
}
#endif

#endif