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rogueviz::kohonen:: made -somrestrict work deterministically

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Zeno Rogue 2018-11-26 23:19:45 +01:00
parent 90c024822e
commit 449dd5adaf
1 changed files with 13 additions and 2 deletions
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13
rogueviz-kohonen.cpp
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@ -647,7 +647,18 @@ void sominit(int initto, bool load_compressed) {
else allcells = currentmap->allcells();
if(isize(allcells) > kohrestrict) {
sort(allcells.begin(), allcells.end(), [] (cell *c1, cell *c2) { return hdist0(tC0(ggmatrix(c1))) < hdist0(tC0(ggmatrix(c2))); });
map<cell*, int> clindex;
for(int i=0; i<isize(allcells); i++) clindex[allcells[i]] = i;
sort(allcells.begin(), allcells.end(), [&clindex] (cell *c1, cell *c2) {
return make_pair(hdist0(tC0(ggmatrix(c1))), clindex[c1]) <
make_pair(hdist0(tC0(ggmatrix(c2))), clindex[c2]);
});
int at = kohrestrict;
ld dist = hdist0(tC0(ggmatrix(allcells[at-1])));
while(at < isize(allcells) && hdist0(tC0(ggmatrix(allcells[at]))) < dist + 1e-6) at++;
int at1 = kohrestrict;
while(at1 > 0 && hdist0(tC0(ggmatrix(allcells[at1-1]))) > dist - 1e-6) at1--;
printf("Cells numbered [%d,%d) are in the same distance\n", at1, at);
allcells.resize(kohrestrict);
}