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embeddings:: simplified and fixed euc_in_sl2

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Zeno Rogue
2023-01-27 10:17:54 +01:00
parent e4239a11a4
commit 56f5fee8dd
3 changed files with 10 additions and 28 deletions
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6
hypgraph.cpp
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@@ -3306,7 +3306,7 @@ EX void shift_v_by_vector(transmatrix& V, const hyperpoint H, eShiftMethod sm IS
V = iview_inverse(nisot::parallel_transport(view_inverse(V), -H));
return;
case smESL2: {
hyperpoint H1 = esl2_ita0(lp_iapply(-H));
hyperpoint H1 = cgi.emb->intermediate_to_actual(lp_iapply(-H));
transmatrix IV = view_inverse(V);
transmatrix rot = V * cgi.emb->map_relative_push(IV * C0);
transmatrix V1 = gpushxto0(H1) * gpushxto0(IV*C0);
@@ -3376,7 +3376,7 @@ EX void shift_v_to(transmatrix& V, shiftpoint H, eShiftMethod sm IS(shift_method
case smProduct:
return shift_v_by_matrix(V, gpushxto0(unshift(H)), sm);
case smESL2:
return shift_v_by_vector(V, -lp_apply(esl2_ati(lp_iapply(unshift(H)))), sm);
return shift_v_by_vector(V, -lp_apply(cgi.emb->actual_to_intermediate(lp_iapply(unshift(H)))), sm);
case smLie:
return shift_v_by_vector(V, -lie_log(H), sm);
return;
@@ -3398,7 +3398,7 @@ EX void shift_v_towards(transmatrix& V, shiftpoint H, ld l, eShiftMethod sm IS(s
case smEmbedded:
return shift_v_by_matrix(V, rspintox(unshift(H)) * xpush(-l) * spintox(unshift(H)), sm);
case smESL2:
return shift_v_by_vector(V, -lp_apply(tangent_length(esl2_ati(lp_iapply(unshift(H))), l)), sm);
return shift_v_by_vector(V, -lp_apply(tangent_length(cgi.emb->actual_to_intermediate(lp_iapply(unshift(H))), l)), sm);
case smLie:
return shift_v_by_vector(V, tangent_length(lie_log(H), -l), sm);
case smGeodesic: