/trunk/Lib/math.i
Swig | 82 lines | 36 code | 22 blank | 24 comment | 0 complexity | 315fcf465d3a714c05a1bff7e47d5855 MD5 | raw file
1/* ----------------------------------------------------------------------------- 2 * math.i 3 * 4 * SWIG library file for floating point operations. 5 * ----------------------------------------------------------------------------- */ 6 7%module math 8%{ 9#include <math.h> 10%} 11 12extern double cos(double x); 13/* Cosine of x */ 14 15extern double sin(double x); 16/* Sine of x */ 17 18extern double tan(double x); 19/* Tangent of x */ 20 21extern double acos(double x); 22/* Inverse cosine in range [-PI/2,PI/2], x in [-1,1]. */ 23 24extern double asin(double x); 25/* Inverse sine in range [0,PI], x in [-1,1]. */ 26 27extern double atan(double x); 28/* Inverse tangent in range [-PI/2,PI/2]. */ 29 30extern double atan2(double y, double x); 31/* Inverse tangent of y/x in range [-PI,PI]. */ 32 33extern double cosh(double x); 34/* Hyperbolic cosine of x */ 35 36extern double sinh(double x); 37/* Hyperbolic sine of x */ 38 39extern double tanh(double x); 40/* Hyperbolic tangent of x */ 41 42extern double exp(double x); 43/* Natural exponential function e^x */ 44 45extern double log(double x); 46/* Natural logarithm ln(x), x > 0 */ 47 48extern double log10(double x); 49/* Base 10 logarithm, x > 0 */ 50 51extern double pow(double x, double y); 52/* Power function x^y. */ 53 54extern double sqrt(double x); 55/* Square root. x >= 0 */ 56 57extern double fabs(double x); 58/* Absolute value of x */ 59 60extern double ceil(double x); 61/* Smallest integer not less than x, as a double */ 62 63extern double floor(double x); 64/* Largest integer not greater than x, as a double */ 65 66extern double fmod(double x, double y); 67/* Floating-point remainder of x/y, with the same sign as x. */ 68 69#define M_E 2.7182818284590452354 70#define M_LOG2E 1.4426950408889634074 71#define M_LOG10E 0.43429448190325182765 72#define M_LN2 0.69314718055994530942 73#define M_LN10 2.30258509299404568402 74#define M_PI 3.14159265358979323846 75#define M_PI_2 1.57079632679489661923 76#define M_PI_4 0.78539816339744830962 77#define M_1_PI 0.31830988618379067154 78#define M_2_PI 0.63661977236758134308 79#define M_2_SQRTPI 1.12837916709551257390 80#define M_SQRT2 1.41421356237309504880 81#define M_SQRT1_2 0.70710678118654752440 82