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Symmetric Gauss-Legendre quadrature formulae on simplices. More...
#include <quadrature_lib.hh>
Public Types | |
typedef std::array< QGauss, 4 > | array |
Public Member Functions | |
QGauss (unsigned int dim, const unsigned int order) | |
Create a formula of given order. More... | |
template<uint dimension> | |
void | init (uint order) |
Public Member Functions inherited from Quadrature | |
Quadrature (const Quadrature &q) | |
Copy constructor. More... | |
Quadrature (unsigned int dimension, unsigned int n_quadrature_points=0) | |
Constructor. More... | |
virtual | ~Quadrature () |
Constructor from quadrature of lower dimension (e.g. for side integration). More... | |
unsigned int | dim () const |
void | resize (unsigned int n_q_points) |
Modify the number of quadrature points. More... | |
unsigned int | size () const |
Returns number of quadrature points. More... | |
template<unsigned int point_dim> | |
Armor::ArmaVec< double, point_dim > | point (unsigned int i) const |
Returns the i th quadrature point. More... | |
Armor::Array< double >::ArrayMatSet | set (uint i) |
const Armor::Array< double > & | get_points () const |
Return a reference to the whole array of quadrature points. More... | |
double | weight (unsigned int i) const |
Returns the i th weight. More... | |
double & | weight (unsigned int i) |
Returns the i th weight (non-const version). More... | |
const std::vector< double > & | get_weights () const |
Return a reference to the whole array of weights. More... | |
Quadrature & | operator= (const Quadrature &q) |
template<unsigned int bulk_dim> | |
Quadrature | make_from_side (unsigned int sid) const |
template<> | |
Quadrature | make_from_side (FMT_UNUSED unsigned int sid) const |
template<> | |
Quadrature | make_from_side (unsigned int sid) const |
template<> | |
Armor::ArmaVec< double, 0 > | point (unsigned int i) const |
Static Public Member Functions | |
static std::array< QGauss, 4 > | make_array (unsigned int order) |
Additional Inherited Members | |
Protected Attributes inherited from Quadrature | |
const unsigned int | dim_ |
Dimension of quadrature points. More... | |
Armor::Array< double > | quadrature_points |
List of quadrature points. More... | |
std::vector< double > | weights |
List of weights to the quadrature points. More... | |
Symmetric Gauss-Legendre quadrature formulae on simplices.
Symmetric Gauss-Legendre quadrature on a dim
dimensional simplex. The coefficients are taken from Parallel Hierarchical Grid project.
Definition at line 34 of file quadrature_lib.hh.
typedef std::array<QGauss, 4> QGauss::array |
Definition at line 36 of file quadrature_lib.hh.
QGauss::QGauss | ( | unsigned int | dim, |
const unsigned int | order | ||
) |
Create a formula of given order.
The formula is exact for polynomials of degree order
.
Definition at line 79 of file quadrature_lib.cc.
void QGauss::init | ( | uint | order | ) |
Definition at line 63 of file quadrature_lib.cc.
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inlinestatic |
Create a
Definition at line 40 of file quadrature_lib.hh.