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Code Issues Releases Wiki Activity

arb:: style improvement in compute_vertex_valence

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This commit is contained in:
Zeno Rogue 2021-07-30 15:29:19 +02:00
parent 21942ff7b9
commit 06c8f48aa0
1 changed files with 18 additions and 19 deletions
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37
arbitrile.cpp
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@ -290,19 +290,17 @@ EX void unmirror() {
}
EX void compute_vertex_valence() {
auto& shs = arb::current.shapes;
auto& ac = arb::current;
int tcl = -1;
for(int i=0; i<isize(shs); i++) {
auto& sh = shs[i];
for(auto& sh: ac.shapes)
sh.cycle_length = isize(sh.vertices);
}
while(true) {
for(int i=0; i<isize(shs); i++) {
auto& sh = shs[i];
for(auto& sh: ac.shapes) {
int i = sh.id;
int n = isize(sh.vertices);
for(int k=sh.cycle_length; k<n; k++) {
@ -312,12 +310,12 @@ EX void compute_vertex_valence() {
println(hlog, "ik = ", tie(i,k), " co=", co, "co1=", co1, " cl=", sh.cycle_length);
throw hr_parse_exception("connection error #2 in compute_vertex_valence");
}
shs[co.sid].cycle_length = abs(gcd(shs[co.sid].cycle_length, co.eid - co1.eid));
ac.shapes[co.sid].cycle_length = abs(gcd(ac.shapes[co.sid].cycle_length, co.eid - co1.eid));
}
for(int k=0; k<n; k++) {
auto co = sh.connections[k];
co = shs[co.sid].connections[co.eid];
co = ac.shapes[co.sid].connections[co.eid];
if(co.sid != i) throw hr_parse_exception("connection error in compute_vertex_valence");
sh.cycle_length = abs(gcd(sh.cycle_length, k-co.eid));
}
@ -326,8 +324,8 @@ EX void compute_vertex_valence() {
}
int new_tcl = 0;
for(int i=0; i<isize(shs); i++) {
auto& len = shs[i].cycle_length;
for(auto& sh: ac.shapes) {
auto& len = sh.cycle_length;
if(len < 0) len = -len;
new_tcl += len;
}
@ -337,33 +335,34 @@ EX void compute_vertex_valence() {
}
if(cgflags & qAFFINE) return;
for(int i=0; i<isize(shs); i++) {
int n = isize(shs[i].vertices);
shs[i].vertex_valence.resize(n);
for(auto& sh: ac.shapes) {
int n = sh.size();
int i = sh.id;
sh.vertex_valence.resize(n);
for(int k=0; k<n; k++) {
ld total = 0;
int qty = 0;
connection_t at = {i, k, false};
do {
ld a = shs[at.sid].angles[at.eid];
ld a = ac.shapes[at.sid].angles[at.eid];
while(a < 0) a += 360 * degree;
while(a > 360 * degree) a -= 360 * degree;
total += a;
qty++;
at.eid++;
if(at.eid == isize(shs[at.sid].angles)) at.eid = 0;
if(at.eid == isize(ac.shapes[at.sid].angles)) at.eid = 0;
at = shs[at.sid].connections[at.eid];
at = ac.shapes[at.sid].connections[at.eid];
}
while(total < 360*degree - 1e-6);
if(total > 360*degree + 1e-6) throw hr_parse_exception("improper total in compute_stats");
if(at.sid != i) throw hr_parse_exception("ended at wrong type determining vertex_valence");
if((at.eid - k) % shs[i].cycle_length) throw hr_parse_exception("ended at wrong edge determining vertex_valence");
shs[i].vertex_valence[k] = qty;
if((at.eid - k) % ac.shapes[i].cycle_length) throw hr_parse_exception("ended at wrong edge determining vertex_valence");
sh.vertex_valence[k] = qty;
}
if(debugflags & DF_GEOM)
println(hlog, "computed vertex_valence of ", i, " as ", shs[i].vertex_valence);
println(hlog, "computed vertex_valence of ", i, " as ", ac.shapes[i].vertex_valence);
}
}