sphericalharmonicsutils.h File Reference

#include <string>
#include "core/CartesianVector.hpp"
#include "core/mathmacros.h"

Go to the source code of this file.

Namespaces
namespace	warptwin
	Class to propagate CR3BP dynamics in characteristic units.

Functions
int	warptwin::readGravityCoefficientsFile (const std::string &filename, double cbar[NMAX_SPHERICAL_HARMONICS+1][NMAX_SPHERICAL_HARMONICS+1], double sbar[NMAX_SPHERICAL_HARMONICS+1][NMAX_SPHERICAL_HARMONICS+1], long int &n, long int &m)
	Reads gravitational coefficients from a file and stores them in provided matrices.
void	warptwin::neumannNormalization (double cbar[NMAX_SPHERICAL_HARMONICS+1][NMAX_SPHERICAL_HARMONICS+1], double sbar[NMAX_SPHERICAL_HARMONICS+1][NMAX_SPHERICAL_HARMONICS+1], double c[NMAX_SPHERICAL_HARMONICS+1][NMAX_SPHERICAL_HARMONICS+1], double s[NMAX_SPHERICAL_HARMONICS+1][NMAX_SPHERICAL_HARMONICS+1])
	Applies Neumann normalization to spherical harmonic coefficients.
int	warptwin::sphericalHarmonics (long N, long M, double r, double phi, double theta, double Re, double K, double C[NMAX_SPHERICAL_HARMONICS+1][NMAX_SPHERICAL_HARMONICS+1], double S[NMAX_SPHERICAL_HARMONICS+1][NMAX_SPHERICAL_HARMONICS+1], clockwerk::CartesianVector< 3 > &grad_v)
	Computes the gradient of the gravitational potential using spherical harmonics.
int	warptwin::legendre (long N, long M, double x, double P[NMAX_SPHERICAL_HARMONICS+1][NMAX_SPHERICAL_HARMONICS+1], double sd_p[NMAX_SPHERICAL_HARMONICS+1][NMAX_SPHERICAL_HARMONICS+1])
	Calculates the associated Legendre functions and their derivatives.
double	warptwin::fact (long n)
	Computes the factorial of a non-negative integer.
double	warptwin::oddfact (long n)
	Computes the double factorial of an odd integer.

Variables
const int	warptwin::NMAX_SPHERICAL_HARMONICS = 18