Functions

The following functions are available:

Function	Description
gammalib::acos	Arc cosine function that avoids NaN due to rounding errors
gammalib::atan2	Arc tangens function for argument x/y
gammalib::cosd	Cosine function for argument given in degrees
gammalib::sind	Sine function for argument given in degrees
gammalib::tand	Tangens function for argument given in degrees
gammalib::asind	Arc sine function for argument given in degrees
gammalib::acosd	Arc cosine function for argument given in degrees
gammalib::atand	Arc tangens function for argument given in degrees
gammalib::atan2d	Arc tangens function for argument x/y given in degrees
gammalib::sincosd	Returns sine and cosine for argument given in degrees
gammalib::gammln	Natural logarithm of gamma function
gammalib::erf	Error function
gammalib::erfc	Complementary error function
gammalib::erfinv	Inverse error function
gammalib::modulo	Remainder of division x/y
gammalib::plaw_integral	Integral of power law
gammalib::gauss_integral	Integral of Gaussian