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Code Issues Releases Wiki Activity

moved chance from sag to main

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Zeno Rogue
2025-12-04 23:35:21 +01:00
parent 58d944c2e1
commit aa808bf77d
2 changed files with 10 additions and 9 deletions
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10
game.cpp
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@@ -68,6 +68,16 @@ EX ld randf_from(std::mt19937& r) {
EX ld hrandf() { return randf_from(hrngen); } EX ld hrandf() { return randf_from(hrngen); }
/** returns true with probability p */
EX bool chance(double p) {
p *= double(hrngen.max()) + 1;
auto l = hrngen();
auto pv = (decltype(l)) p;
if(l < pv) return true;
if(l == pv) return chance(p-pv);
return false;
}
/** Returns an integer corresponding to the current state of \link hrngen \endlink. /** Returns an integer corresponding to the current state of \link hrngen \endlink.
*/ */
EX int hrandstate() { EX int hrandstate() {

9
rogueviz/sag/annealing.cpp
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@@ -20,15 +20,6 @@ long long numiter = 0;
int vizsa_start; int vizsa_start;
int vizsa_len = 5; int vizsa_len = 5;
bool chance(double p) {
p *= double(hrngen.max()) + 1;
auto l = hrngen();
auto pv = (decltype(l)) p;
if(l < pv) return true;
if(l == pv) return chance(p-pv);
return false;
}
bool twoway = false; bool twoway = false;
int moves, nomoves; int moves, nomoves;