example-cg.cpp File Reference

#include "../libsrc/toolbox.h"

Functions
template<class T, class S>
int	conjugate_gradient (const matrix< T, S > &_K, const matrix< T, S > &_C, packed_vector< S > &_u, const packed_vector< S > &_f, const S _eps, const int _max, communicator< T, S > &_com)
int	main (int argc, char **argv)

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Function Documentation

template<class T, class S> int conjugate_gradient (  const matrix< T, S > &  _K, const matrix< T, S > &  _C, packed_vector< S > &  _u, const packed_vector< S > &  _f, const S  _eps, const int  _max, communicator< T, S > &  _com )

The conjugate_gradient function implements the preconditioned conjugate gradient algorithm. Parameters: _K  Input: System matrix. _C  Input: Preconditioner matrix. _u  Input: Solution vector in packed vector format. _f  Input: Right hand side in packed vector format. _eps  Input: Desired accuracy for residual norm. _max  Input: Maximum number of iterations. _com  Input: Communicator object. Returns: Output: Number of iterations.

int main (  int  argc, char **  argv )

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