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// option.cpp
// includes
#include <cstdlib>
#include "option.h"
#include "protocol.h"
#include "util.h"
// types
struct option_t {
const char * var;
bool declare;
const char * init;
const char * type;
const char * extra;
const char * val;
};
// variables
static option_t Option[] = {
{ "Hash", true, "128", "spin", "min 4 max 1024", NULL },
// JAS
// search X seconds for the best move, equal to "go movetime"
{ "Search Time", true, "0", "spin", "min 0 max 3600", NULL },
// search X plies deep, equal to "go depth"
{ "Search Depth", true, "0", "spin", "min 0 max 20", NULL },
// JAS end
{ "Ponder", true, "false", "check", "", NULL },
{ "OwnBook", true, "true", "check", "", NULL },
{ "BookFile", true, "performance.bin", "string", "", NULL },
{ "Bitbases Path", true, "/usr/share/egbb/", "string", "", NULL },
{ "Bitbases Cache Size", true, "16", "spin", "min 16 max 1024", NULL },
{ "MultiPV", true, "1", "spin", "min 1 max 10", NULL },
{ "NullMove Pruning", true, "Always", "combo", "var Always var Fail High var Never", NULL },
{ "NullMove Reduction", true, "3", "spin", "min 1 max 4", NULL },
{ "Verification Search", true, "Always", "combo", "var Always var Endgame var Never", NULL },
{ "Verification Reduction", true, "5", "spin", "min 1 max 6", NULL },
{ "History Pruning", true, "true", "check", "", NULL },
{ "History Threshold", true, "70", "spin", "min 0 max 100", NULL },
{ "Futility Pruning", true, "true", "check", "", NULL },
{ "Futility Margin", true, "100", "spin", "min 0 max 500", NULL },
{ "Extended Futility Margin", true, "200", "spin", "min 0 max 900", NULL },
{ "Delta Pruning", true, "true", "check", "", NULL },
{ "Delta Margin", true, "50", "spin", "min 0 max 500", NULL },
{ "Quiescence Check Plies", true, "1", "spin", "min 0 max 2", NULL },
{ "Material", true, "100", "spin", "min 0 max 400", NULL },
{ "Piece Activity", true, "100", "spin", "min 0 max 400", NULL },
{ "Piece Square Activity", true, "100", "spin", "min 0 max 400", NULL },
{ "King Safety", true, "100", "spin", "min 0 max 400", NULL },
{ "Pawn Structure", true, "100", "spin", "min 0 max 400", NULL },
{ "Passed Pawns", true, "100", "spin", "min 0 max 400", NULL },
{ "Toga Lazy Eval", true, "true", "check", "", NULL },
{ "Toga Lazy Eval Margin", true, "200", "spin", "min 0 max 900", NULL },
{ "Toga Lazy Eval Mobility Margin", true, "125", "spin", "min 0 max 900", NULL },
{ "Toga Exchange Bonus", false, "20", "spin", "min 0 max 100", NULL },
//{ "Toga King Safety", true, "false", "check", "", NULL },
//{ "Toga King Safety Margin", true, "1700", "spin", "min 500 max 3000", NULL },
//{ "Toga Extended History Pruning",true, "false", "check", "", NULL },
//{ "Toga History Threshold", false, "40", "spin", "min 0 max 100", NULL },
{ "Toga King Pawn Endgame Bonus", true, "30", "spin", "min 0 max 100", NULL },
{ "Toga Rook Pawn Endgame Penalty", true, "10", "spin", "min 0 max 100", NULL },
{ "Number of Threads", true, "1", "spin", "min 1 max 16", NULL },
{ NULL, false, NULL, NULL, NULL, NULL, },
};
// prototypes
static option_t * option_find (const char var[]);
// functions
// option_init()
void option_init() {
option_t * opt;
for (opt = &Option[0]; opt->var != NULL; opt++) {
option_set(opt->var,opt->init);
}
}
// option_list()
void option_list() {
option_t * opt;
for (opt = &Option[0]; opt->var != NULL; opt++) {
if (opt->declare) {
if (opt->extra != NULL && *opt->extra != '\0') {
send("option name %s type %s default %s %s",opt->var,opt->type,opt->val,opt->extra);
} else {
send("option name %s type %s default %s",opt->var,opt->type,opt->val);
}
}
}
}
// option_set()
bool option_set(const char var[], const char val[]) {
option_t * opt;
ASSERT(var!=NULL);
ASSERT(val!=NULL);
opt = option_find(var);
if (opt == NULL) return false;
my_string_set(&opt->val,val);
return true;
}
// option_get()
const char * option_get(const char var[]) {
option_t * opt;
ASSERT(var!=NULL);
opt = option_find(var);
if (opt == NULL) my_fatal("option_get(): unknown option \"%s\"\n",var);
return opt->val;
}
// option_get_bool()
bool option_get_bool(const char var[]) {
const char * val;
val = option_get(var);
if (false) {
} else if (my_string_equal(val,"true") || my_string_equal(val,"yes") || my_string_equal(val,"1")) {
return true;
} else if (my_string_equal(val,"false") || my_string_equal(val,"no") || my_string_equal(val,"0")) {
return false;
}
ASSERT(false);
return false;
}
// option_get_int()
int option_get_int(const char var[]) {
const char * val;
val = option_get(var);
return atoi(val);
}
// option_get_string()
const char * option_get_string(const char var[]) {
const char * val;
val = option_get(var);
return val;
}
// option_find()
static option_t * option_find(const char var[]) {
option_t * opt;
ASSERT(var!=NULL);
for (opt = &Option[0]; opt->var != NULL; opt++) {
if (my_string_equal(opt->var,var)) return opt;
}
return NULL;
}
// end of option.cpp
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