ExactSolution.c File Reference

Read in exact solution, if available. More...

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <basic.h>
#include <arrayfunctions.h>
#include <io.h>
#include <mpivars.h>
#include <hypar.h>

Go to the source code of this file.

Functions
int	ExactSolution (void *s, void *m, double *uex, char *fname, int *flag)

Detailed Description

Read in exact solution, if available.

Author

Debojyoti Ghosh

Definition in file ExactSolution.c.

Function Documentation

int ExactSolution	(	void *	s,
		void *	m,
		double *	uex,
		char *	fname,
		int *	flag
	)

Read in the exact solution, if available.

Parameters

s	Solver object of type HyPar
m	MPI object of type MPIVariables
uex	Array to hold the exact solution, if available
fname	Filename root from which to read exact solution
flag	Flag to indicate if exact solution was available

Definition at line 16 of file ExactSolution.c.

{
  HyPar  *solver = (HyPar*) s;

  int same_size = 1;
  for (int i=0; i<solver->ndims; i++) {
    if (solver->dim_global[i] != solver->dim_global_ex[i]) same_size = 0;
  }

  if (same_size) {
    ReadArray( solver->ndims,
               solver->nvars,
               solver->dim_global,
               solver->dim_local,
               solver->ghosts,
               solver,
               m,
               NULL,
               uex,
               fname,
               flag);
  } else {
    ReadArraywInterp( solver->ndims,
                      solver->nvars,
                      solver->dim_global,
                      solver->dim_local,
                      solver->dim_global_ex,
                      solver->ghosts,
                      solver,
                      m,
                      NULL,
                      uex,
                      fname,
                      flag);
  }

  return(0);
}