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fixed twisted product on tori

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Zeno Rogue 2024-06-21 10:30:37 +02:00
parent 4e8caa2910
commit 06ca86cbc5
1 changed files with 5 additions and 4 deletions
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9
nonisotropic.cpp
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@ -1273,7 +1273,7 @@ EX namespace hybrid {
hybrid::csteps = cgi.psl_steps;
if(nil) {
auto& T = euc::eu_input.user_axes;
hybrid::csteps = gcd(gcd(T[0][0], T[1][1]), gcd(T[0][1], T[1][0]));
hybrid::csteps = abs(T[0][0] * T[1][1] - T[0][1] * T[1][0]);
if(S3 == 3) hybrid::csteps *= 2;
if(BITRUNCATED) hybrid::csteps *= S3;
if(INVERSE) hybrid::csteps *= 2;
@ -1341,8 +1341,9 @@ EX namespace hybrid {
if(S3 >= OINF) return 0;
auto& v = get_shift_current(cw0);
if(v != SHIFT_UNKNOWN) return v;
if(nil) {
if(nil) return in_underlying([&] { return get_shift(cw0); });
if(euclid && !quotient) {
/** we prevent possible 'two candidate' errors by computing the correct value, we know all the positions in the underlying map, so we can do that */
transmatrix uT, uU, uT1;
in_underlying([&] {
@ -1430,7 +1431,7 @@ EX namespace hybrid {
cw++;
}
while(cw != cw0);
return total + cgi.single_step * (sphere ? -1 : 1);
return total + cgi.single_step * ((sphere || euclid) ? -1 : 1);
}
EX void fix_bounded_cycles() {