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twist::formula_exp now returns shiftpoint

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Zeno Rogue
2024-07-15 09:03:58 +02:00
parent cdcd2aee21
commit 8823afc8d2
2 changed files with 7 additions and 5 deletions
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8
nonisotropic.cpp
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@@ -2570,11 +2570,11 @@ EX namespace twist {
/** @brief exponential function for both slr and Berger sphere */
EX hyperpoint formula_exp(hyperpoint vel) {
EX shiftpoint formula_exp(hyperpoint vel) {
bool sp = sphere;
ld K = sp ? 1 : -1;
if(vel[0] == 0 && vel[1] == 0 && vel[2] == 0) return C0;
if(vel[0] == 0 && vel[1] == 0 && vel[2] == 0) return shiftpoint(C0,0);
ld len = hypot_d(3, vel);
@@ -2606,7 +2606,7 @@ EX namespace twist {
ld xy = sr * sinh(k);
ld zw = cr * sinh(k);
return hyperpoint(K*xy * cos(u+beta), K*xy * sin(u+beta), zw * cos(u) - cosh(k) * sin(u), zw * sin(u) + cosh(k)*cos(u));
return shiftpoint(hyperpoint(K*xy * cos(beta), K*xy * sin(beta), zw, cosh(k)), u);
}
else {
@@ -2624,7 +2624,7 @@ EX namespace twist {
ld xy = sr * sin(k);
ld zw = cr * sin(k);
return hyperpoint(K*xy * cos(u+beta), K*xy * sin(u+beta), zw * cos(u) - cos(k) * sin(u), zw * sin(u) + cos(k)*cos(u));
return shiftpoint(hyperpoint(K*xy * cos(u+beta), K*xy * sin(u+beta), zw * cos(u) - cos(k) * sin(u), zw * sin(u) + cos(k)*cos(u)), 0);
}
}