void TestIterativeValue(int depth) {
// setup book and cache
CCache acache(2);
cache = &acache;
const int nEmpty = 22;
CBook* oldBook = book;
book = NULL;
InitializeCache();
SetBookHeights(nEmpty);
mpcs = CMPCStats::GetMPCStats('J','A',5);
// testing
const COsGame osGame = LoadTestGames().at(0);
const CQPosition testPosition = PositionFromEmpties(osGame, nEmpty);
std::vector<CMoveValue> mvs = createMoves(testPosition);
Pos2 pos2;
pos2.Initialize(testPosition.BitBoard(), testPosition.BlackMove());
u4 nValued=0;
std::vector<CMoveValue> mvsEvaluated;
ValueMulti(pos2, depth, -kInfinity, kInfinity, 4, 1, mvs, false, false, mvsEvaluated, nValued);
// cout << " nValued = " << nValued << "\n";
// cout << " mvsEvaluated = \n";
// for (int i=0; i<mvsEvaluated.size(); i++) {
// CMoveValue mv = mvsEvaluated.at(i);
// cout << "new CMoveValue(" << mv.move << "," << mv.value << "),\n";
// }
// cout << "\n";
// tear down book and cache
book = oldBook;
cache = NULL;
}
static void TestMakeMove() {
CQPosition pos;
char sBoard[65];
pos.Initialize();
pos.MakeMove(CMove("F5"));
assertStringEquals("---------------------------O*------***--------------------------", pos.GetSBoard(sBoard));
assertFalse(pos.BlackMove());
assertEquals(59, pos.NEmpty());
assertEquals(1, pos.NMover());
}
void AnalyzePosition(CPlayerComputer* computer, CQPosition& pos) {
CMVK mvk;
std::cout << pos.NEmpty();
computer->Clear();
u4 fNeed=CSearchInfo::kNeedMove+CSearchInfo::kNeedValue+CSearchInfo::kNeedMPCStats;
CSearchInfo si = computer->DefaultSearchInfo(pos.BlackMove(), fNeed, INFINITE_TIME, 0);
computer->GetChosen(si, pos, mvk, true);
printf("\n");
std::cerr << ".";
}
// save values of positions in a file
// format:
// bitboard (white just moved), value (to black), pass flag (0,1,2), best move (for mover)
// precondition: no book (unless you want to add these positions to a book)
void CalcPosValues(CPlayerComputer* computer, bool fAppend) {
FILE* fpCapture, *fpPV;
CQPosition pos;
CMVK mvk;
CMoves moves;
int i, quantities[60], pass, nCalced, iAppend;
CBitBoard bb;
time_t tStart;
if (fAppend) {
// figure out what number to start on
std::string fn(fnBaseDir);
fn+=sPVFile;
fpPV=fopen(fn.c_str(), "rb");
int result = fseek(fpPV, 0, SEEK_END);
int nFileSize=ftell(fpPV);
int nRecordSize=sizeof(bb.mover)+sizeof(bb.empty)+
sizeof(mvk.value)+sizeof(pass)+sizeof(mvk.move);
if (nFileSize%nRecordSize) {
iAppend=0;
std::cerr << "Previous .pv file is corrupt, starting again: file size = "
<< nFileSize << ", record size = " << nRecordSize
<< ", file size % record size = " << nFileSize%nRecordSize << "\n";
}
else {
iAppend=nFileSize/nRecordSize;
std::cerr << "Appending to previous file with " << iAppend << " elements\n";
}
fclose(fpPV);
fpPV=NULL;
}
else
iAppend=0;
// clear count
for (i=0;i<60; i++)
quantities[i]=0;
std::string fn(fnBaseDir);
fn+=fnCapture;
fpCapture=fopen(fn.c_str(), "rb");
if (fpCapture) {
std::string fn(fnBaseDir);
fn+=sPVFile;
fpPV=fopen(fn.c_str(), iAppend?"a+bc":"wbc");
if (fpPV) {
for (nCalced=0; bb.Read(fpCapture); ) {
if (bb.NEmpty()>60)
continue;
quantities[bb.NEmpty()]++;
// print progress
if (nCalced%200 == 0) {
fflush(fpPV);
if (nCalced%10000 == 0)
fprintf(stderr, "\nPosition %dk ",nCalced/1000);
else
fprintf(stderr, ".");
}
//printf("%d", bb.NEmpty());
if (nCalced>=iAppend) {
pos.Initialize(bb,true);
pass=pos.CalcMovesAndPass(moves);
// if terminal position, calc value
if (pass==2) {
mvk.value=-pos.TerminalValue();
mvk.move.Set(-1);
}
// nonterminal position, get value from computer
else {
tStart=time(0);
CSearchInfo si = computer->DefaultSearchInfo(pos.BlackMove(),
CSearchInfo::kNeedMove + CSearchInfo::kNeedValue,
INFINITE_TIME, 0);
computer->GetChosen(si, pos, mvk, true);
if (pass==1)
mvk.value=-mvk.value;
//printf("NEmpty = %2d; value = %4d; move = ",pos.NEmpty(),mvk.value);
//mvk.move.Print();
//printf("; pass = %d; time = %2d\n",pass, time(0)-tStart);
}
// write to file
if (!bb.Write(fpPV)
|| !fwrite(&mvk.value, sizeof(mvk.value), 1, fpPV)
|| !fwrite(&pass, sizeof(pass), 1, fpPV)
|| !fwrite(&mvk.move, sizeof(mvk.move), 1, fpPV)) {
std::string fn(fnBaseDir);
fn+=sPVFile;
std::cerr << "can't write to file " << fn << "\n";
assert(0);
_exit(1);
}
}
nCalced++;
}
fclose(fpPV);
}
fclose(fpCapture);
}
// print count
int sum=0;
for (i=0;i<60; i++) {
sum+=quantities[i];
printf("%d:%d\n",i,quantities[i]);
}
printf("%d total positions\n",sum);
}