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DroidFish: Updated stockfish to a development version to fix problems on quad-core ARM CPUs.

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Peter Osterlund
2012-06-04 16:25:51 +00:00
parent 7344b26a53
commit bcdbb5c82a
37 changed files with 2441 additions and 2650 deletions
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42
DroidFish/jni/stockfish/material.h
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@@ -21,8 +21,8 @@
#define MATERIAL_H_INCLUDED
#include "endgame.h"
#include "misc.h"
#include "position.h"
#include "tt.h"
#include "types.h"
const int MaterialTableSize = 8192;
@@ -34,7 +34,7 @@ enum Phase {
};
/// MaterialInfo is a class which contains various information about a
/// MaterialEntry is a class which contains various information about a
/// material configuration. It contains a material balance evaluation,
/// a function pointer to a special endgame evaluation function (which in
/// most cases is NULL, meaning that the standard evaluation function will
@@ -44,9 +44,9 @@ enum Phase {
/// For instance, in KRB vs KR endgames, the score is scaled down by a factor
/// of 4, which will result in scores of absolute value less than one pawn.
class MaterialInfo {
class MaterialEntry {
friend class MaterialInfoTable;
friend struct MaterialTable;
public:
Score material_value() const;
@@ -67,32 +67,28 @@ private:
};
/// The MaterialInfoTable class represents a pawn hash table. The most important
/// method is material_info(), which returns a pointer to a MaterialInfo object.
/// The MaterialTable class represents a material hash table. The most important
/// method is probe(), which returns a pointer to a MaterialEntry object.
class MaterialInfoTable : public SimpleHash<MaterialInfo, MaterialTableSize> {
public:
~MaterialInfoTable();
void init();
MaterialInfo* material_info(const Position& pos) const;
struct MaterialTable {
MaterialEntry* probe(const Position& pos);
static Phase game_phase(const Position& pos);
template<Color Us> static int imbalance(const int pieceCount[][8]);
private:
template<Color Us>
static int imbalance(const int pieceCount[][8]);
Endgames* funcs;
HashTable<MaterialEntry, MaterialTableSize> entries;
Endgames endgames;
};
/// MaterialInfo::scale_factor takes a position and a color as input, and
/// MaterialEntry::scale_factor takes a position and a color as input, and
/// returns a scale factor for the given color. We have to provide the
/// position in addition to the color, because the scale factor need not
/// to be a constant: It can also be a function which should be applied to
/// the position. For instance, in KBP vs K endgames, a scaling function
/// which checks for draws with rook pawns and wrong-colored bishops.
inline ScaleFactor MaterialInfo::scale_factor(const Position& pos, Color c) const {
inline ScaleFactor MaterialEntry::scale_factor(const Position& pos, Color c) const {
if (!scalingFunction[c])
return ScaleFactor(factor[c]);
@@ -101,23 +97,23 @@ inline ScaleFactor MaterialInfo::scale_factor(const Position& pos, Color c) cons
return sf == SCALE_FACTOR_NONE ? ScaleFactor(factor[c]) : sf;
}
inline Value MaterialInfo::evaluate(const Position& pos) const {
inline Value MaterialEntry::evaluate(const Position& pos) const {
return (*evaluationFunction)(pos);
}
inline Score MaterialInfo::material_value() const {
inline Score MaterialEntry::material_value() const {
return make_score(value, value);
}
inline int MaterialInfo::space_weight() const {
inline int MaterialEntry::space_weight() const {
return spaceWeight;
}
inline Phase MaterialInfo::game_phase() const {
inline Phase MaterialEntry::game_phase() const {
return gamePhase;
}
inline bool MaterialInfo::specialized_eval_exists() const {
inline bool MaterialEntry::specialized_eval_exists() const {
return evaluationFunction != NULL;
}