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less aggressive gcd in archimedean -- steps needs to divide by all f's

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Zeno Rogue 2019-08-27 21:57:25 +02:00
parent a0fa8c85c4
commit ba94bc94b6
1 changed files with 3 additions and 5 deletions
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8
archimedean.cpp
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@ -1314,11 +1314,9 @@ bool archimedean_tiling::get_step_values(int& steps, int& single_step) {
for(int f: arcm::current.faces) { for(int f: arcm::current.faces) {
if(int(denom*f)/f != denom) { steps = 0; single_step = 0; return false; } if(int(denom*f)/f != denom) { steps = 0; single_step = 0; return false; }
nom = nom * f + (f-2) * denom; int g = gcd(denom, f);
denom = denom * f; nom = nom * (f/g) + (f-2) * (denom/g);
int g = gcd(nom, denom); denom = denom/g * f;
nom /= g;
denom /= g;
} }
steps = 2 * abs(denom); steps = 2 * abs(denom);