AdForceFieldTerm.h

/*
   Project: Adun

   Copyright (C) 2005 Michael Johnston & Jordi Villˆ--Freixa

   Author: Michael Johnston

   This application is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This application is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU General Public
   License along with this library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA.
*/
#ifndef _ADFORCEFIELD_TERM_
#define _ADFORCEFIELD_TERM_
#include "AdunKernel/AdunDefinitions.h"
#include "AdunKernel/AdunMatrixStructureCoder.h"

@protocol AdForceFieldTerm <NSObject>
- (id) initWithSystem: (id) system;
- (void) evaluateForces;
- (void) evaluateEnergy;
- (double) energy;
- (AdMatrix*) forces;
- (void) setExternalForceMatrix: (AdMatrix*) matrix;
- (BOOL) usesExternalForceMatrix;
- (void) setSystem: (id) system;
- (id) system;
- (BOOL) canEvaluateEnergy;
- (BOOL) canEvaluateForces;
- (NSArray*) potentials;
- (double) valueForPotential: (NSString*) potential;
- (NSArray*) arrayOfValuesForPotentials: (NSArray*) array notFoundMarker: (id) anObject;
- (NSDictionary*) dictionaryOfValuesForPotentials: (NSArray*) array; 
@end
#endif