subroutines.h File Reference

#include "dg/topology/functions.h"
#include "dg/backend/config.h"

Go to the source code of this file.

Classes
struct	dg::IDENTITY
	\( f(x) = x\) More...
struct	dg::equals
	\( y=x\) More...
struct	dg::plus_equals
	\( y=y+x\) More...
struct	dg::minus_equals
	\( y=y-x\) More...
struct	dg::times_equals
	\( y=xy\) More...
struct	dg::divides_equals
	\( y = y/x\) More...
struct	dg::Sum
	\( y = \sum_i x_i \) More...
struct	dg::Product
	\( y = \prod_i x_i \) More...
struct	dg::PairSum
	\( y = \sum_i a_i x_i \) More...
struct	dg::TripletSum
	\( y = \sum_i a_i x_i y_i \) More...
struct	dg::EmbeddedPairSum
	\( y = \sum_i b_i x_i + b_0 y,\quad \tilde y = \sum_i \tilde b_i x_i + \tilde b_0 y \) More...

Namespaces
namespace	dg
	This is the namespace for all functions and classes defined and used by the discontinuous Galerkin library.

Functions
template<class UnaryOp , class Functor >
auto	dg::compose (UnaryOp f, Functor g)
	Create Composition functor \( f(g(x_0,x_1,...)) \).
template<class UnaryOp , typename... Functors>
auto	dg::compose (UnaryOp f0, Functors... fs)
	Create Composition funtor of an arbitrary number of functions \( f_0(f_1(f_2( ... f_s(x_0, x_1, ...)))\).