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reg3:: factored gen_quotient_map

This commit is contained in:
Zeno Rogue 2022-07-11 16:04:07 +02:00
parent 3f56f158ee
commit a6116d678e
2 changed files with 42 additions and 44 deletions
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2
crystal.cpp
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@ -723,7 +723,7 @@ EX color_t colorize(cell *c, char whichCanvas) {
if(cryst) co = m->get_coord(c), dim = m->cs.dim;
#if MAXMDIM >= 4
else if(geometry == gSpace344) {
co = told(reg3::decode_coord(c->master->fieldval)), dim = 4;
co = told(reg3::decode_coord(reg3::minimize_quotient_maps ? 1 : 2, c->master->fieldval)), dim = 4;
for(int a=0; a<4; a++) if(co[a] > 4) co[a] -= 8;
}
else if(geometry == gSeifertCover) {

84
reg3.cpp
View File

@ -1014,30 +1014,32 @@ EX namespace reg3 {
}
#if CAP_CRYSTAL
int encode_coord(const crystal::coord& co) {
int encode_coord(int bits, const crystal::coord& co) {
int c = 0;
for(int i=0; i<4; i++) c |= ((co[i]>>1) & 3) << (2*i);
for(int i=0; i<(1<<bits); i++) c |= ((co[i]>>1) & ((1<<bits)-1)) << (bits*i);
return c;
}
EX crystal::coord decode_coord(int a) {
EX crystal::coord decode_coord(int bits, int a) {
crystal::coord co;
for(int i=0; i<4; i++) co[i] = (a & 3) * 2, a >>= 2;
for(int i=0; i<(1<<bits); i++) co[i] = (a & ((1<<bits)-1)) * 2, a >>= bits;
return co;
}
struct hrmap_from_crystal : hrmap_quotient3 {
hrmap_from_crystal() {
initialize(256);
int bits;
hrmap_from_crystal(int b) : bits(b) {
int size = 1 << (4*bits);
initialize(size);
if(1) {
auto m = crystal::new_map();
dynamicval<hrmap*> cm(currentmap, m);
for(int a=0; a<256; a++) {
auto co = decode_coord(a);
for(int a=0; a<size; a++) {
auto co = decode_coord(bits, a);
heptagon *h1 = get_heptagon_at(co);
for(int d=0; d<8; d++) {
int b = encode_coord(crystal::get_coord(h1->cmove(d)));
int b = encode_coord(bits, crystal::get_coord(h1->cmove(d)));
allh[a]->c.connect(d, allh[b], h1->c.spin(d), false);
tmatrices[a].push_back(crystal::get_adj(h1, d));
}
@ -1289,6 +1291,28 @@ EX namespace reg3 {
}
EX bool minimize_quotient_maps = false;
hrmap_quotient3 *gen_quotient_map(bool minimized, fieldpattern::fpattern &fp) {
#if CAP_FIELD
#if CAP_CRYSTAL
if(geometry == gSpace344) {
return new hrmap_from_crystal(minimized ? 1 : 2);
}
else
#endif
if(geometry == gSpace535 && minimized) {
return new seifert_weber::hrmap_singlecell(108*degree);
}
else if(geometry == gSpace535)
return new seifert_weber::hrmap_seifert_cover;
else if(hyperbolic) {
return new hrmap_field3(&fp);
}
#endif
return nullptr;
}
struct hrmap_h3 : hrmap {
heptagon *origin;
@ -1315,22 +1339,8 @@ EX namespace reg3 {
transmatrix T = Id;
binary_map = nullptr;
quotient_map = nullptr;
quotient_map = gen_quotient_map(minimize_quotient_maps, currfp);
#if CAP_FIELD
#if CAP_CRYSTAL
if(geometry == gSpace344) {
quotient_map = new hrmap_from_crystal;
}
else
#endif
if(geometry == gSpace535) {
quotient_map = new seifert_weber::hrmap_seifert_cover;
}
else if(hyperbolic) {
quotient_map = new hrmap_field3(&currfp);
}
#endif
h.zebraval = quotient_map ? quotient_map->allh[0]->zebraval : 0;
#if CAP_BT
@ -1816,25 +1826,9 @@ EX namespace reg3 {
}
}
quotient_map = nullptr;
quotient_map = gen_quotient_map(is_minimized(), fp);
emerald_map = gen_quotient_map(false, currfp);
if(geometry == gSpace535)
quotient_map = new seifert_weber::hrmap_seifert_cover();
#if CAP_CRYSTAL
else if(geometry == gSpace344)
quotient_map = new hrmap_from_crystal;
#endif
else
quotient_map = new hrmap_field3(&fp);
if(geometry == gSpace535)
emerald_map = new seifert_weber::hrmap_seifert_cover();
#if CAP_CRYSTAL
else if(geometry == gSpace344)
emerald_map = new hrmap_from_crystal;
#endif
else
emerald_map = new hrmap_field3(&currfp);
h.emeraldval = 0;
find_mappings();
@ -2122,6 +2116,10 @@ bool hrmap_h3_rule::link_alt(heptagon *h, heptagon *alt, hstate firststate, int
EX bool reg3_rule_available = true;
EX string other_rule = "";
EX bool is_minimized() {
return geometry == gSpace535;
}
EX string get_rule_filename() {
if(other_rule != "") return other_rule;
switch(geometry) {