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fixed random_spin() in three dimensions

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Zeno Rogue
2020-03-31 20:07:03 +02:00
parent 0a6aae0776
commit 90895f29ec
1 changed files with 2 additions and 2 deletions
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4
hyperpoint.cpp
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@@ -459,10 +459,10 @@ EX transmatrix spin(ld alpha) { return cspin(0, 1, alpha); }
EX transmatrix random_spin() {
if(WDIM == 2) return spin(randd() * 2 * M_PI);
else {
ld alpha2 = acos(randd() * 2 - 1);
ld alpha2 = asin(randd() * 2 - 1);
ld alpha = randd() * 2 * M_PI;
ld alpha3 = randd() * 2 * M_PI;
return cspin(0, 2, alpha2) * cspin(0, 1, alpha) * cspin(1, 2, alpha3);
return cspin(0, 1, alpha) * cspin(0, 2, alpha2) * cspin(1, 2, alpha3);
}
}