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/*
* matchequity.h
* by Joern Thyssen, 1999-2002
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 3 or later of the GNU General Public License as
* published by the Free Software Foundation.
*
* 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
*
* $Id: matchequity.h,v 1.27 2013/06/16 02:16:18 mdpetch Exp $
*/
#ifndef MATCHEQUITY_H
#define MATCHEQUITY_H
#include "eval.h"
#define MAXSCORE 64
#define MAXCUBELEVEL 7
/* Structure for information about match equity table */
typedef struct _metinfo {
gchar *szName; /* Name of match equity table */
gchar *szFileName; /* File name of met */
gchar *szDescription; /* Description of met */
int nLength; /* native length of met, -1 : pure calculated table */
} metinfo;
/* macros for getting match equities */
#define GET_MET(i,j,aafMET) ( ( (i) < 0 ) ? 1.0f : ( ( (j) < 0 ) ? 0.0f : \
(aafMET [ i ][ j ]) ) )
#define GET_METPostCrawford(i,afBtilde) ( (i) < 0 ? 1.0f : afBtilde [ i ] )
/* current match equity table used by gnubg */
extern float aafMET[MAXSCORE][MAXSCORE];
extern float aafMETPostCrawford[2][MAXSCORE];
/* gammon prices (calculated once for efficiency) */
extern float aaaafGammonPrices[MAXCUBELEVEL]
[MAXSCORE][MAXSCORE][4];
extern float aaaafGammonPricesPostCrawford[MAXCUBELEVEL]
[MAXSCORE][2][4];
extern metinfo miCurrent;
extern float
getME(const int nScore0, const int nScore1, const int nMatchTo,
const int fPlayer,
const int nPoints, const int fWhoWins,
const int fCrawford, float aafMET[MAXSCORE][MAXSCORE], float aafMETPostCrawford[2][MAXSCORE]);
extern float
getMEAtScore(const int nScore0, const int nScore1, const int nMatchTo,
const int fPlayer, const int fCrawford,
float aafMET[MAXSCORE][MAXSCORE], float aafMETPostCrawford[2][MAXSCORE]);
/* Initialise match equity table */
void
InitMatchEquity(const char *szFileName);
/* Get double points */
extern int
GetPoints(float arOutput[5], const cubeinfo * pci, float arCP[2]);
extern float
GetDoublePointDeadCube(float arOutput[5], cubeinfo * pci);
extern void
invertMET(void);
/* enums for the entries in the arrays returned by getMEMultiple
* DoublePass, DoubleTakeWin, DoubleTakeWinGammon... for the first 8
* then the same values using CubePrimeValues
* DP = Double/Pass, DTWG = double/take/wing gammon, etc
* DPP = double/Pass with CubePrime values, etc.
*/
typedef enum met_indices {
/* player 0 wins, first cube value */
DP = 0, NDW = 0, DTW = 1, NDWG = 1, NDWB, DTWG, DTWB,
/* player 0 loses, first cube value */
NDL, DTL = 6, NDLG = 6, NDLB, DTLG, DTLB,
/* player 0 wins, 2nd cube value */
DPP0, DTWP0, NDWBP0, DTWGP0, DTWBP0,
/* player 0 loses, 2nd cube value */
NDLP0, DTLP0, NDLBP0, DTLGP0, DTLBP0,
/* player 0 wins, 3rd cube value */
DPP1, DTWP1, NDWBP1, DTWGP1, DTWBP1,
/* player 0 loses, 3rd cube value */
NDLP1, DTLP1, NDLBP1, DTLGP1, DTLBP1
} e_met_indices;
extern void
getMEMultiple(const int nScore0, const int nScore1, const int nMatchTo,
const int nPoints,
const int nCubePrime0, const int nCubePrime1,
const int fCrawford,
float aafMET[MAXSCORE][MAXSCORE], float aafMETPostCrawford[2][MAXSCORE], float *player0, float *player1);
#endif
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