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fake for GP(1,1) in S3==4

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Zeno Rogue
2024-06-21 18:34:37 +02:00
parent 4811cdd183
commit 5b55da3090
3 changed files with 16 additions and 6 deletions
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13
geometry.cpp
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@@ -694,17 +694,18 @@ void geometry_information::prepare_basics() {
2 * hdist0(mid(xspinpush0(M_PI/S6, hexvdist), xspinpush0(-M_PI/S6, hexvdist)))
: hdist(xpush0(crossf), xspinpush0(TAU/S7, crossf));
if(fake::in() && BITRUNCATED) {
if(fake::in() && (BITRUNCATED || (S3 == 4 && gp::param.first == 1 && gp::param.second == 1))) {
vector<pair<ld, ld>> vals;
vals.emplace_back(S7, fake::around / 3);
vals.emplace_back(S3*2, fake::around * 2 / 3);
int s6 = BITRUNCATED ? S3*2 : S3;
vals.emplace_back(S7, BITRUNCATED ? fake::around / 3 : fake::around / 2);
vals.emplace_back(s6, BITRUNCATED ? fake::around * 2 / 3 : fake::around / 2);
ld edgelength = euclid ? 1 : arcm::compute_edgelength(vals);
// circumradius and inradius, for S7 and S6 shapes
auto c7 = asin_auto(sin_auto(edgelength/2) / sin(M_PI / S7));
auto c6 = asin_auto(sin_auto(edgelength/2) / sin(M_PI / S6));
auto i7 = hdist0(mid(xpush0(c7), cspin(0, 1, 2*M_PI/S7) * xpush0(c7)));
auto i6 = hdist0(mid(xpush0(c6), cspin(0, 1, 2*M_PI/S6) * xpush0(c6)));
auto c6 = asin_auto(sin_auto(edgelength/2) / sin(M_PI / s6));
auto i7 = hdist0(mid(xpush0(c7), cspin(0, 1, TAU/S7) * xpush0(c7)));
auto i6 = hdist0(mid(xpush0(c6), cspin(0, 1, TAU/s6) * xpush0(c6)));
// note: tessf and hcrossf remain undefined
crossf = i7 + i6;