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embeddings:: seCylinderSL2

This commit is contained in:
Zeno Rogue 2023-01-28 03:56:08 +01:00
parent c155491ca2
commit 3af71864c7
1 changed files with 21 additions and 0 deletions
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21
embeddings.cpp
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@ -560,6 +560,25 @@ struct emb_euc_cylinder_horo : emb_euc_cylinder {
}
};
struct emb_euc_cylinder_sl2 : emb_euc_cylinder {
bool no_spin() override { return true; }
hyperpoint actual_to_intermediate(hyperpoint a) override {
hyperpoint i = point31(0, 0, 0);
i[2] = atan2(a[2], a[3]);
a = cspin(1, 0, i[2]) * cspin(3, 2, i[2]) * a;
i[1] = (a[0] || a[1]) ? atan2(a[0], a[1]) : 0;
a = cspin(1, 0, i[1]) * a;
i[0] = asinh(a[0]);
return i;
}
transmatrix intermediate_to_actual_translation(hyperpoint i) override {
return cspin(2, 3, i[2]) * cspin(0, 1, i[2] + i[1]) * xpush(i[0]);
}
transmatrix get_lsti() override {
return cspin90(0, 2);
}
};
struct emb_euc_in_sph : emb_euclid_noniso {
bool is_euc_in_sph() override { return true; }
ld center_z() override { return 1; }
@ -646,6 +665,7 @@ EX unique_ptr<embedding_method> make_embed() {
else if(any_cylinder(spatial_embedding) && mgclass() == gcEuclid)
emb1 = spatial_embedding == seCylinderHE ? new emb_euc_cylinder_he :
spatial_embedding == seCylinderHoro ? new emb_euc_cylinder_horo :
spatial_embedding == seCylinderSL2 ? new emb_euc_cylinder_sl2 :
new emb_euc_cylinder;
else if(mgclass() == ggclass())
emb1 = new emb_same_in_same;
@ -934,6 +954,7 @@ void embedding_method::auto_configure() {
if(spatial_embedding == seCylinderE) configure_cylinder();
if(spatial_embedding == seCylinderH) configure_cylinder();
if(spatial_embedding == seCylinderHE) configure_cylinder();
if(spatial_embedding == seCylinderSL2) configure_cylinder();
}
}