function.h File Reference

#include "point.h"
#include <vector>

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Namespaces
namespace	util
	Collection of methods useful in simulation.

Macros
#define	COMPARE_EPS   1e-5

Functions
bool	util::isGreater (const double &a, const double &b)
	Returns true if a > b.
bool	util::isLess (const double &a, const double &b)
	Returns true if a < b.
double	util::hatFunction (const double &x, const double &x_min, const double &x_max)
	Computes hat function at given point.
double	util::hatFunctionQuick (const double &x, const double &x_min, const double &x_max)
	Computes hat function at given point.
double	util::linearStepFunc (const double &x, const double &x1, const double &x2)
	Compute linear step function.
double	util::gaussian (const double &r, const double &a, const double &beta)
	Compute gaussian function in 1-d.
double	util::gaussian2d (const util::Point &x, const size_t &dof, const std::vector< double > &params)
	Compute gaussian function in 2-d.
double	util::doubleGaussian2d (const util::Point &x, const size_t &dof, const std::vector< double > &params)
	Compute sum of two gaussian function in 2-d.
double	util::equivalentMass (const double &m1, const double &m2)
	Compute harmonic mean of m1 and m2.

Macro Definition Documentation

COMPARE_EPS

#define COMPARE_EPS   1e-5

Definition at line 18 of file function.h.