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/*
Copyright (C) 2002 Paul Wilkins
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* real.h by Paul Wilkins */
/* Here we set up the real numbers */
#ifndef __REAL_H
#define __REAL_H
#include "typedefs.h"
// precision of diplayed real
// (internal is still DBL_DIG)
#define PRINT_REAL_DIG DBL_DIG-3 // = usuallly 12
#define REAL_INF 0x1
#define REAL_NAN 0x2
#define REAL_OK 0x4
struct _Real {
char ok;
double num;
};
Real * newReal();
void freeReal(Real *);
char * printReal(Real *);
Real * setRealDouble(Real *, double);
double setDoubleReal(Real *);
Real * setRealReal(Real *, Real *);
Real * fromRadixReal(Real *a);
Real * toRadixReal(Real *a);
int cmpReal(Real *, Real *);
int isIntReal(Real *);
Real * absReal(Real *);
Real * negReal(Real *);
Real * negEqReal(Real *);
Real * invReal(Real *);
Real * invEqReal(Real *);
Real * powRealInt(Real *a, int);
Real * powReal(Real *a, Real *b);
Real * powEqReal(Real *a, Real *b);
Real * lnReal(Real *a);
Real * lnEqReal(Real *a);
Real * logReal(Real *a);
Real * logEqReal(Real *a);
Real * expReal(Real *a);
Real * expEqReal(Real *a);
Real * sinReal(Real *a);
Real * sinEqReal(Real *a);
Real * cosReal(Real *a);
Real * cosEqReal(Real *a);
Real * tanReal(Real *a);
Real * tanEqReal(Real *a);
Real * asinReal(Real *a);
Real * asinEqReal(Real *a);
Real * acosReal(Real *a);
Real * acosEqReal(Real *a);
Real * atanReal(Real *a);
Real * atan2Real(Real *a, Real *b);
Real * atanEqReal(Real *a);
Real * mulReal(Real *, Real *);
Real * mulEqReal(Real *, Real *);
Real * divReal(Real *, Real *);
Real * divEqReal(Real *, Real *);
Real * modReal(Real *, Real *);
Real * addReal(Real *, Real *);
Real * addEqReal(Real *, Real *);
Real * subReal(Real *, Real *);
Real * subEqReal(Real *, Real *);
Real * lshiftReal(Real *, Real *);
Real * rshiftReal(Real *, Real *);
#endif
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