double.h

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/*
 * Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

#ifndef _PICO_DOUBLE_H
#define _PICO_DOUBLE_H

#include <math.h>
#include "pico.h"
#include "pico/bootrom/sf_table.h"

#ifdef __cplusplus
extern "C" {
#endif

double fix2double(int32_t m, int e);
double ufix2double(uint32_t m, int e);
double fix642double(int64_t m, int e);
double ufix642double(uint64_t m, int e);

// These methods round towards -Infinity.
int32_t double2fix(double f, int e);
uint32_t double2ufix(double f, int e);
int64_t double2fix64(double f, int e);
uint64_t double2ufix64(double f, int e);
int32_t double2int(double f);
int64_t double2int64(double f);

// These methods round towards 0.
int32_t double2int_z(double f);
int64_t double2int64_z(double f);

double exp10(double x);
void sincos(double x, double *sinx, double *cosx);
double powint(double x, int y);

#ifdef __cplusplus
}
#endif

#endif