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Evaluate.h
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Evaluate.h
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/*
Copyright 2009 by Kevin Pluck
This file is part of InvisiCalc.
InvisiCalc 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 3 of the License, or
(at your option) any later version.
InvisiCalc 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 InvisiCalc. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef EVALUATE_H_INCLUDED
#define EVALUATE_H_INCLUDED
//Define tokens for functions and constants. The underscore is to help destinguish single letter defines e.g. _C
#define _SQRT 1
#define _PI 2
#define _SIN 3
#define _COS 4
#define _TAN 5
#define _ASIN 6
#define _ACOS 7
#define _ATAN 8
#define _E 9
#define _C 10
#define _EXP 11
#define _LOG 12
#define _SINH 13
#define _COSH 14
#define _TANH 15
#define _GAMMA 16
#define _PHI 17
#define _LOG10 18
/*
Evaluate
Returns:
1 - If strInfixCode can be evaluated
0 - If strInfixCode cannot be evaluated
-1 - If strInfixCode can be evaluated but a divide by zero occured
-2 - If strInfixCode can be evaluated but an invalid input occured E.g.: sqrt(-1)
*/
int Evaluate(char *strInfixCode,double *fltResult);
#endif // EVALUATE_H_INCLUDED