Foam::polyLine::polyLine(const pointField& ps, const bool)
:
points_(ps),
lineLength_(0.0),
param_(0)
{
calcParam();
}
void VISIBILITY_HIDDEN
findValidSubdimInit(SubDimInfo* sd)
{
bool n = false;
do {
n = false;
calcParam(sd);
sd->valid = sd->isValid(sd);
if (!sd->valid) {
n = !next(sd->var);
sd->valid = false;
}
} while (n);
}
bool
nextSubdim(SubDimInfo* sd, int maxParam, double time)
{
int i;
int j;
double minW = -5000;
int vari = 0;
double midTime;
int iCount = 0;
double maxTime;
const int MAX_WEIGHT = 99;
Variant* v0 = sd->curVar; // Current variant
Variant* varNext = NULL; // Next Variant
if (sd->count >= maxParam) {
return false;
}
if (sd->returnAll) {
bool ret = nextSubdimElem (sd);
calcParam(sd);
sd->curVarID = sd->count;
return ret;
}
v0->time = time;
sd->sumTime += time;
midTime = sd->sumTime/(sd->count + 1);
if (time > 0) {
sd->minTime = fmin(sd->minTime, (float)time);
}
maxTime = fmax(2.1*midTime - sd->minTime, sd->minTime*5);
/* Initialize all groups */
for (j = 0; j < sd->infoCount; j++ ) {
GroupStatInfo* si = &sd->info[j];
si->allTime = 0;
si->count = 0;
si->minTime = 1e9;
}
/* Calculate an estimate for the groups */
for (i = 0; i < sd->varCount; ++i) {
Variant* vi = &sd->allVariant[i];
/* If time for variant is measured*/
if (vi->time > 0) {
for (j = 0; j < sd->infoCount; j++ ) {
GroupStatInfo* gsi = &sd->info[j];
// For each group, if variant is member this group
if (isMemberOfGroup(gsi, vi)) {
gsi->minTime = fmin(gsi->minTime, vi->time);
gsi->allTime += fmin(vi->time, maxTime);
gsi->count ++;
gsi->minTime = calcMinExpectedTimeForGroup(gsi);
}
}
}
vi->minTime = 0;
vi->maxTime = 5000;
vi->weight = MAX_WEIGHT;
}
/*
* Calculate the estimate run-time variant
*/
for (i = 0; i < sd->varCount; ++i) {
Variant* vi = &sd->allVariant[i];
vi->weight = MAX_WEIGHT;
if (vi->time == 0) {
double kgroup = 1.0;
for (j = 0; j < sd->infoCount; j++ ) {
GroupStatInfo* gsi = &sd->info[j];
// if the variant included of the group
if (isMemberOfGroup(gsi, vi)) {
if (gsi->count > 0) {
vi->minTime = fmax(vi->minTime, gsi->minTime);
vi->weight = sd->minTime/vi->minTime;
}
else {
/*
* If variant don't included of the group
* then to reduce estimated time
*/
kgroup *= 1.1;
}
}
}
vi->weight *= kgroup;
vi->minTime /= kgroup;
}
}
/* Find variant with minimal run time */
for (i = 0; i < sd->varCount; ++i)
{
Variant* vi = &sd->allVariant[i];
if (vi->time == 0 && vi->weight >= 0.01 ) {
iCount ++;
if (minW < vi->weight) {
minW = vi->weight;
varNext = vi;
vari = i;
}
}
}
//
if (varNext == NULL) {
return false;
}
sd->curVar = varNext;
sd->curVarID = vari;
#ifdef TEST_LOG
printf ("%4d %6.2f [%6.2f:%5.2f ]",iCount, sd->minTime,
sd->curVar->minTime, sd->curVar->weight);
#endif
for(j = 0; j < V_COUNT; ++j) {
sd->var[j].curId = varNext->var[j];
}
calcParam(sd);
sd->count++;
return true;
}
