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honeycomb-rule-generator:: an option to optimize 344

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This commit is contained in:
Zeno Rogue 2021-05-19 12:18:04 +02:00
parent 0342b377f7
commit a94c41fee2
1 changed files with 15 additions and 0 deletions
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15
devmods/honeycomb-rule-generator.cpp
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@ -48,12 +48,25 @@ map<string, map<string,int> > rules;
/** \brief change i into a string containing a displayable character */
auto dis = [] (int i, char init='a') { return s0 + char(init + i); };
bool optimize_344 = false;
/** \brief we use a regular pattern to make sure that the directions are identified consistently.
In {5,3,5} we can just use the Seifert-Weber space for this identification; otherwise,
we use the field pattern. */
int get_id(cell *c) {
if(geometry == gSpace535) return 0;
if(optimize_344 && geometry == gSpace344) {
/* we use the 'pattern from crystal' */
/* but it is mod 4, mod 2 is enough for us */
int res = 0;
int fv = c->master->fieldval;
for(int i=0; i<4; i++) {
res = 2 * res + (fv&1);
fv >>= 2;
}
return res;
}
return c->master->fieldval;
}
@ -279,6 +292,8 @@ void test_canonical(string fname) {
vector<cell*> c0;
if(optimize_344 && geometry == gSpace344) qc = 16;
/* we start from a 'center' in every get_id-type */
if(geometry == gSpace535) {
c0.resize(qc, cwt.at);