Zephyr API Documentation
4.0.0-rc2
A Scalable Open Source RTOS
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math.h
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/*
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* Copyright (c) 2019 Linaro Limited.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_LIB_LIBC_MINIMAL_INCLUDE_MATH_H_
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#define ZEPHYR_LIB_LIBC_MINIMAL_INCLUDE_MATH_H_
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#ifdef __cplusplus
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extern
"C"
{
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#endif
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#if !defined(FLT_EVAL_METHOD) && defined(__FLT_EVAL_METHOD__)
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#define FLT_EVAL_METHOD __FLT_EVAL_METHOD__
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#endif
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#if defined FLT_EVAL_METHOD
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#if FLT_EVAL_METHOD == 0
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typedef
float
float_t
;
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typedef
double
double_t
;
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#elif FLT_EVAL_METHOD == 1
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typedef
double
float_t
;
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typedef
double
double_t
;
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#elif FLT_EVAL_METHOD == 2
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typedef
long
double
float_t
;
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typedef
long
double
double_t
;
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#else
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/* Implementation-defined. Assume float_t and double_t have
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* already been defined */
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#endif
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#else
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typedef
float
float_t
;
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typedef
double
double_t
;
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#endif
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/* Useful constants. */
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#define MAXFLOAT 3.40282347e+38F
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#define M_E 2.7182818284590452354
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#define M_LOG2E 1.4426950408889634074
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#define M_LOG10E 0.43429448190325182765
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#define M_LN2 0.693147180559945309417
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#define M_LN10 2.30258509299404568402
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#define M_PI 3.14159265358979323846
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#define M_PI_2 1.57079632679489661923
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#define M_PI_4 0.78539816339744830962
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#define M_1_PI 0.31830988618379067154
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#define M_2_PI 0.63661977236758134308
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#define M_2_SQRTPI 1.12837916709551257390
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#define M_SQRT2 1.41421356237309504880
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#define M_SQRT1_2 0.70710678118654752440
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float
sqrtf
(
float
square);
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double
sqrt
(
double
square);
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#ifdef __cplusplus
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}
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#endif
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#endif
/* ZEPHYR_LIB_LIBC_MINIMAL_INCLUDE_MATH_H_ */
float_t
float float_t
Definition
math.h:33
sqrtf
float sqrtf(float square)
double_t
double double_t
Definition
math.h:34
sqrt
double sqrt(double square)
lib
libc
minimal
include
math.h
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