xiuos/APP_Framework/lib/JerryScript/jerryscript/jerry-math/include/math.h

96 lines
2.7 KiB
C

/* Copyright JS Foundation and other contributors, http://js.foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef JERRY_MATH_H
#define JERRY_MATH_H
#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */
/* General Constants. */
#define INFINITY (1.0/0.0)
#define NAN (0.0/0.0)
#define HUGE_VAL INFINITY
#define isnan(x) ((x) != (x))
#define isinf(x) ((x) == INFINITY ? 1 : (x) == -INFINITY ? -1 : 0)
#define isfinite(x) (!isinf(x) && !isnan(x))
/* Exponential and Logarithmic constants. */
#define M_E 2.7182818284590452353602874713526625
#define M_SQRT2 1.4142135623730950488016887242096981
#define M_SQRT1_2 0.7071067811865475244008443621048490
#define M_LOG2E 1.4426950408889634073599246810018921
#define M_LOG10E 0.4342944819032518276511289189166051
#define M_LN2 0.6931471805599453094172321214581765
#define M_LN10 2.3025850929940456840179914546843642
/* Trigonometric Constants. */
#define M_PI 3.1415926535897932384626433832795029
#define M_PI_2 1.5707963267948966192313216916397514
#define M_PI_4 0.7853981633974483096156608458198757
#define M_1_PI 0.3183098861837906715377675267450287
#define M_2_PI 0.6366197723675813430755350534900574
#define M_2_SQRTPI 1.1283791670955125738961589031215452
/* Trigonometric functions. */
double cos (double);
double sin (double);
double tan (double);
double acos (double);
double asin (double);
double atan (double);
double atan2 (double, double);
/* Hyperbolic functions. */
double cosh (double x);
double sinh (double x);
double tanh (double x);
/* Inverse hyperbolic functions */
double acosh (double);
double asinh (double);
double atanh (double);
/* Exponential and logarithmic functions. */
double exp (double);
double expm1 (double);
double log (double);
double log1p (double);
double log2 (double);
double log10 (double);
/* Power functions. */
double pow (double, double);
double sqrt (double);
double cbrt (double);
/* Rounding and remainder functions. */
double ceil (double);
double floor (double);
/* Other functions. */
double fabs (double);
double fmod (double, double);
double nextafter (double, double);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* !JERRY_MATH_H */