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/* CalcBrain.h: Brain of Calculator.app
Copyright (C) 1999 Free Software Foundation, Inc.
Author: Nicola Pero <n.pero@mi.flashnet.it>
Date: 1999
This file is part of GNUstep.
This program 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 program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "CalcTypes.h"
@class CalcFace;
@interface CalcBrain: NSObject
{
CalcFace *face;
double result;
double enteredNumber;
calcOperation operation;
int fractionalDigits;
BOOL decimalSeparator;
BOOL editing;
}
// Set the corresponding face
-(void) setFace: (CalcFace *)aFace;
// The various buttons
-(void) clear: (id)sender;
-(void) equal: (id)sender;
-(void) digit: (id)sender;
-(void) decimalSeparator: (id)sender;
-(void) operation: (id)sender;
-(void) squareRoot: (id)sender;
// Jump here on calculation errors
-(void) error;
@end
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