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 /* ----------------------------------------------------------------------------- * math.i * * SWIG library file for floating point operations. * ----------------------------------------------------------------------------- */ %module math %{ #include %} #ifndef SWIGPHP /* PHP already provides all these functions except fabs() */ extern double cos(double x); /* Cosine of x */ extern double sin(double x); /* Sine of x */ extern double tan(double x); /* Tangent of x */ extern double acos(double x); /* Inverse cosine in range [-PI/2,PI/2], x in [-1,1]. */ extern double asin(double x); /* Inverse sine in range [0,PI], x in [-1,1]. */ extern double atan(double x); /* Inverse tangent in range [-PI/2,PI/2]. */ extern double atan2(double y, double x); /* Inverse tangent of y/x in range [-PI,PI]. */ extern double cosh(double x); /* Hyperbolic cosine of x */ extern double sinh(double x); /* Hyperbolic sine of x */ extern double tanh(double x); /* Hyperbolic tangent of x */ extern double exp(double x); /* Natural exponential function e^x */ extern double log(double x); /* Natural logarithm ln(x), x > 0 */ extern double log10(double x); /* Base 10 logarithm, x > 0 */ extern double pow(double x, double y); /* Power function x^y. */ extern double sqrt(double x); /* Square root. x >= 0 */ extern double ceil(double x); /* Smallest integer not less than x, as a double */ extern double floor(double x); /* Largest integer not greater than x, as a double */ extern double fmod(double x, double y); /* Floating-point remainder of x/y, with the same sign as x. */ #endif extern double fabs(double x); /* Absolute value of x */ #ifndef SWIGPHP /* PHP already provides these constants and it's an error to redefine them */ #define M_E 2.7182818284590452354 #define M_LOG2E 1.4426950408889634074 #define M_LOG10E 0.43429448190325182765 #define M_LN2 0.69314718055994530942 #define M_LN10 2.30258509299404568402 #define M_PI 3.14159265358979323846 #define M_PI_2 1.57079632679489661923 #define M_PI_4 0.78539816339744830962 #define M_1_PI 0.31830988618379067154 #define M_2_PI 0.63661977236758134308 #define M_2_SQRTPI 1.12837916709551257390 #define M_SQRT2 1.41421356237309504880 #define M_SQRT1_2 0.70710678118654752440 #endif