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Code Issues Releases Wiki Activity

Nil embedding

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This commit is contained in:
Zeno Rogue
2022-12-13 19:04:43 +01:00
parent 63b17a605c
commit f61adc2865
11 changed files with 205 additions and 116 deletions
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10
geometry2.cpp
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@@ -81,6 +81,8 @@ transmatrix hrmap_standard::master_relative(cell *c, bool get_inverse) {
}
else if(WDIM == 3)
return Id;
else if(dont_inverse())
return Id;
else
return pispin * Id;
}
@@ -310,7 +312,7 @@ void virtualRebase_cell(cell*& base, T& at, const U& check) {
template<class T, class U>
void virtualRebase(cell*& base, T& at, const U& check) {
if(nil) {
if(nil && WDIM == 3) {
hyperpoint h = check(at);
auto step = [&] (int i) {
at = currentmap->adj(base, (i+S7/2) % S7) * at;
@@ -440,6 +442,8 @@ EX bool no_easy_spin() {
return NONSTDVAR || arcm::in() || WDIM == 3 || bt::in() || kite::in();
}
EX bool dont_inverse() { return geometry == 1 && PURE && geom3::euc_in_nil(); }
ld hrmap_standard::spin_angle(cell *c, int d) {
if(WDIM == 3) return SPIN_NOT_AVAILABLE;
ld hexshift = 0;
@@ -454,6 +458,7 @@ ld hrmap_standard::spin_angle(cell *c, int d) {
return -atan2(p[1], p[0]) - hexshift;
}
#endif
if(dont_inverse()) return - d * TAU / c->type;
return M_PI - d * TAU / c->type - hexshift;
}
@@ -574,6 +579,9 @@ hyperpoint hrmap_standard::get_corner(cell *c, int cid, ld cf) {
}
#endif
if(PURE) {
if(geom3::euc_in_nil()) {
return lspinpush0(spin_angle(c, cid) + M_PI/S7, cgi.hcrossf * 3 / cf);
}
return ddspin(c,cid,M_PI/S7) * lxpush0(cgi.hcrossf * 3 / cf);
}
if(BITRUNCATED) {