mathutils.h File Reference

#include <cmath>
#include <stdexcept>
#include <algorithm>

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Namespaces
namespace	mathutils
	a variety of handy mathematical functions, many of which are templated
Functions
float	mathutils::distance (float x1, float y1, float x2, float y2)
	euclidean distance of two points, see squareDistance()
double	mathutils::distance (double x1, double y1, double x2, double y2)
	euclidean distance of two points, see squareDistance()
template<class num >
num	mathutils::limitRange (num n, num low, num high)
	Clips n to a minimum of low or maximum of high.
template<class num >
num	mathutils::log2t (num x)
	Returns the log base 2 of a number.
template<>
float	mathutils::log2t (float x)
	returns the log base 2 for a 'float' value
template<>
double	mathutils::log2t (double x)
	returns the log base 2 for a 'double' value
double	mathutils::deg2rad (double x)
	converts from degrees to radians
double	mathutils::rad2deg (double x)
	converts from radians to degrees
float	mathutils::deg2rad (float x)
	converts from degrees to radians
float	mathutils::rad2deg (float x)
	converts from radians to degrees
template<class num >
num	mathutils::normalizeAngle (num value)
	Will set a to be between (-pi,pi) (inclusive), just like atan2().
float	mathutils::sampleRange (float min, float max)
	Chooses a number in the range [min,max) (exclusive upper bound).
double	mathutils::sampleRange (double min, double max)
	Chooses a number in the range [min,max) (exclusive upper bound).
template<class num >
num	mathutils::sampleInteger (num min, num max)
	Chooses a number in the range [min,max) (exclusive upper bound).
template<class C >
C::value_type::first_type	mathutils::weightedPick (const C &c)
	Pass a collection of std::pair<value,weight> (map, vector, etc.), returns a value based on a weighted sample.