math_tools.hpp File Reference

Math helper functions. More...

Go to the source code of this file.

Namespaces
module	sirius
	Namespace of the SIRIUS library.

Functions
auto	sirius::confined_polynomial (double r, double R, int p1, int p2, int dm)
template<typename T >
int	sirius::sign (T val)
	Sign of the variable. More...
template<typename T >
bool	sirius::is_int (T val__, T eps__)
	Checks if number is integer with a given tolerance. More...
template<typename T >
T	sirius::factorial (int n)
	Compute a factorial. More...
auto	sirius::round (double a__, int n__)
auto	sirius::round (std::complex< double > a__, int n__)
auto	sirius::hash (void const *buff, size_t size, uint64_t h=5381)
	Simple hash function. More...
uint32_t	sirius::random_uint32 (bool reset=false)
	Simple random number generator. More...
template<typename T >
T	sirius::random ()
template<>
int	sirius::random< int > ()
template<>
double	sirius::random< double > ()
template<>
std::complex< double >	sirius::random< std::complex< double > > ()
template<>
float	sirius::random< float > ()
template<>
std::complex< float >	sirius::random< std::complex< float > > ()
template<typename T >
auto	sirius::abs_diff (T a, T b)
template<typename T >
auto	sirius::rel_diff (T a, T b)
auto	sirius::conj (double x__)
	Return complex conjugate of a number. For a real value this is the number itself. More...
auto	sirius::conj (std::complex< double > x__)
	Return complex conjugate of a number. More...
template<typename T >
T	sirius::zero_if_not_complex (T x__)
template<typename T >
T	sirius::zero_if_not_complex (std::complex< T > x__)

Detailed Description

Math helper functions.

Definition in file math_tools.hpp.