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double.h
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/*
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* Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef _PICO_DOUBLE_H
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#define _PICO_DOUBLE_H
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#include <math.h>
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#include "
pico.h
"
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#include "pico/bootrom/sf_table.h"
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#ifdef __cplusplus
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extern
"C"
{
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#endif
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double
fix2double(int32_t m,
int
e);
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double
ufix2double(uint32_t m,
int
e);
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double
fix642double(int64_t m,
int
e);
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double
ufix642double(uint64_t m,
int
e);
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// These methods round towards -Infinity.
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int32_t double2fix(
double
f,
int
e);
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uint32_t double2ufix(
double
f,
int
e);
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int64_t double2fix64(
double
f,
int
e);
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uint64_t double2ufix64(
double
f,
int
e);
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int32_t double2int(
double
f);
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int64_t double2int64(
double
f);
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// These methods round towards 0.
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int32_t double2int_z(
double
f);
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int64_t double2int64_z(
double
f);
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double
exp10(
double
x);
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void
sincos(
double
x,
double
*sinx,
double
*cosx);
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double
powint(
double
x,
int
y);
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#ifdef __cplusplus
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}
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#endif
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#endif
pico.h