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embeddings:: better info about wrong options and how to change them

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Zeno Rogue
2023-02-05 11:18:13 +01:00
parent 23e4f90685
commit ce90bb6db2
2 changed files with 56 additions and 8 deletions
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26
embeddings.cpp
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@@ -67,6 +67,30 @@ EX namespace geom3 {
{"SL2 cylinder", "Embed Euclidean as a cylinder in twisted product geometry."},
};
EX bool clifford_torus_valid() {
rug::clifford_torus ct;
ld h = ct.xh | ct.yh;
return !(sqhypot_d(2, ct.xh) < 1e-3 || sqhypot_d(2, ct.yh) < 1e-3 || abs(h) > 1e-3);
}
EX string why_wrong(eSpatialEmbedding sp) {
string ans = "";
if(among(sp, seNil, seCliffordTorus, seProductH, seProductS, seSL2) || any_cylinder(sp)) {
if(!PURE)
ans += " pure";
if(!meuclid)
ans += " E";
if((sp == seProductS || any_cylinder(sp)) && !quotient)
ans += " cyl";
if(sp == seCliffordTorus && !clifford_torus_valid())
ans += " torus";
}
if(among(sp, seSol, seNIH, seSolN)) {
if((meuclid && !PURE) && !bt::in()) ans += " pure or bin";
}
return ans;
}
EX eSpatialEmbedding spatial_embedding = seDefault;
EX ld euclid_embed_scale = 1;
EX ld euclid_embed_scale_y = 1;
@@ -92,7 +116,7 @@ EX namespace geom3 {
}
EX bool any_cylinder(eSpatialEmbedding e) {
return among(e, seCylinderE, seCylinderH, seCylinderHE, seCylinderHoro, seCylinderNil);
return among(e, seCylinderE, seCylinderH, seCylinderHE, seCylinderHoro, seCylinderNil, seCylinderSL2);
}
EX bool in_product() {