Legendre quadrature, polynomials and scaling functions. More...
#include <iostream>#include <cmath>#include <madness/mra/legendre.h>#include <madness/tensor/tensor.h>
Include dependency graph for legendre.cc:
Namespaces | |
| madness | |
| File holds all helper structures necessary for the CC_Operator and CC2 class. | |
Functions | |
| bool | madness::gauss_legendre (int n, double xlo, double xhi, double *x, double *w) |
| bool | madness::gauss_legendre_numeric (int n, double xlo, double xhi, double *x, double *w) |
| Compute the Gauss-Legendre quadrature points and weights. More... | |
| bool | madness::gauss_legendre_test (bool print) |
| void | madness::initialize_legendre_stuff () |
| Call this single threaded to initialize static data (used read only by multiple threads) More... | |
| void | madness::legendre_polynomials (double x, long order, double *p) |
| Evaluate the Legendre polynomials up to the given order at x in [-1,1]. More... | |
| void | madness::legendre_scaling_functions (double x, long k, double *p) |
| Evaluate the first k Legendre scaling functions. More... | |
| void | madness::load_quadrature (World &world, const char *dir) |
| Collective routine to pre-load and cache the quadrature points and weights. More... | |
| static bool | madness::read_data () |
| read_data loads the precomputed Gauss-Legendre data More... | |
| static double | madness::testf (int n, double x) |
Variables | |
| static bool | madness::data_is_read = false |
| static const char * | madness::filename = "gaussleg" |
| static const int | madness::max_npt = 64 |
| static double | madness::nn1 [100] |
| static double | madness::phi_norms [100] |
| static Tensor< double > | madness::points [max_npt+1] |
| static Tensor< double > | madness::weights [max_npt+1] |
Detailed Description
Legendre quadrature, polynomials and scaling functions.
