Element.cc File Reference

#include <cassert>
#include <cmath>
#include "pism/util/fem/Element.hh"
#include "pism/util/fem/Quadrature.hh"
#include "pism/util/Grid.hh"
#include "pism/util/array/Scalar.hh"
#include "pism/util/error_handling.hh"
#include "pism/util/petscwrappers/DM.hh"

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Namespaces
namespace	pism
namespace	pism::fem

Functions
static double	pism::fem::det (const double a[3][3])
	Determinant of a 3x3 matrix.
static Vector3	pism::fem::cross (const Vector3 &a, const Vector3 &b)
	Cross product of two 3D vectors.
static Vector3	pism::fem::row (const double A[3][3], size_t k)
static Vector3	pism::fem::column (const double A[3][3], size_t k)
static double	pism::fem::dot (const Vector3 &v, const Germ &a)
static void	pism::fem::invert (const double A[3][3], double result[3][3])
	Invert a 3x3 matrix.
static Germ	pism::fem::multiply (const double A[3][3], const Germ &v)
	Compute derivatives with respect to x,y using J^{-1} and derivatives with respect to xi, eta.
static void	pism::fem::set_to_identity (double A[3][3])