static sqlite3_stmt *ss_ipair_dist;
static sqlite3_stmt *ss_ite_buy, *ss_ite_sell;
+
#define MAX_LEGS (MAX_ROUTELEN-1)
typedef struct {
double value_route(int nislands, const int *islands, int exclude_arbitrage) {
int s,d;
+ ctr_subroutes_valued++;
+
/* We need to construct the LP problem. GLPK talks
* about rows and columns, which are numbered from 1.
*
lp= lpx_create_prob();
lpx_set_obj_dir(lp, LPX_MAX);
lpx_set_int_parm(lp, LPX_K_MSGLEV, DEBUGP(lp) ? 3 : 1);
+ lpx_set_int_parm(lp, LPX_K_PRESOL, 1);
if (DEBUGP(value)) {
lpx_set_prob_name(lp,(char*)"value_route");
double profit= 0;
if (lpx_get_num_cols(lp)) {
+ ctr_subroutes_nonempty++;
+
if (DEBUGP(lp))
lpx_write_cpxlp(lp, (char*)DEBUG_DEV);
SQL_DISTINCT_DECL(cols,5);
while (SQL_DISTINCT_STEP(ss_trades,cols,5)) {
+ ctr_trades_loaded++;
IslandPair *ip= ipair_get_create(cols[1], cols[3]);
TradesBlock *block= ip->trades;
if (!block || ip->trades->ntrades >= TRADES_PER_BLOCK) {
SQL_DISTINCT_DECL(cols,5);
while (SQL_DISTINCT_STEP(ss,cols,3)) {
+ ctr_quantities_loaded++;
IslandTradeEnd *search;
int commodid= cols[0];
SQL_PREPARE(sst,
"SELECT commodid,unitmass,unitvolume FROM commods");
while (SQL_STEP(sst)) {
+ ctr_commodities_loaded++;
int id= sqlite3_column_int(sst,0);
assert(id>=0 && id<commodstabsz);
commodstab[id].mass= sqlite3_column_int(sst,1);