FieldClassMapConstrain

This function creates a new class map from an existing one by implementing constraints and boundary conditions registered with the grid.

#include "grid.h" 
int FieldClassMapConstrain(FieldClassMap map, Grid grid, PetscTruth useBC, PetscTruth useConst, FieldClassMap *newMap)

Collective on FieldClassMap

	map	- The map
	grid	- The grid
	useBC	- The flag for reducing boundary conditions
	useConst	- The flag for using constraints

newMap -The constrained map

class, field class, class map, constraint