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WIP: Remove unneeded solver functions

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This commit is contained in:
David Allemang
2021-11-12 22:28:48 -05:00
parent a1b0ae31dc
commit 840928136e
1 changed files with 3 additions and 63 deletions
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66
include/tc/complex.hpp
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@@ -31,12 +31,6 @@ namespace tc {
return combos;
}
Symbol fan(const Symbol &prim, unsigned root) {
Symbol res(prim.size() + 1);
res << prim, root;
return res;
}
std::vector<Symbol> fan(const std::vector<Symbol>& prims, int root) {
std::vector<Symbol> res;
res.reserve(prims.size());
@@ -48,63 +42,12 @@ namespace tc {
return res;
}
void flip(Symbol &prim) {
if (prim.size() > 1) {
std::swap(prim[0], prim[1]);
}
}
void apply(const tc::Cosets &table, unsigned int gen, Symbol &prim) {
for (auto &ind: prim) {
ind = table.get(ind, gen);
}
flip(prim);
}
void apply(const tc::Cosets &table, unsigned int gen, std::vector<Symbol> &prims) {
for (auto &prim: prims) {
apply(table, gen, prim);
}
}
/**
* Produce a list of all generators for the group context. The range [0..group.rank).
*/
std::vector<unsigned int> generators(const tc::Group &context) {
std::vector<unsigned int> g_gens(context.rank());
std::iota(g_gens.begin(), g_gens.end(), 0);
return g_gens;
}
/**
* Determine whether the orientation of the group sg_gens is reversed from the group g_gens within group context
*/
int get_parity(
const tc::Group &context,
const Symbol &g_gens,
const Symbol &sg_gens
) {
if (g_gens.size() != sg_gens.size() + 1) return 0;
const auto proper_sg_gens = recontext_gens(context.rank(), g_gens, sg_gens);
int i = 0;
for (; i < sg_gens.size(); ++i) {
if (proper_sg_gens[i] != i) {
break;
for (auto &ind : prim) {
ind = table.get(ind, gen);
}
}
return i & 1;
}
/**
* Reverse the orientation of all primitives in this mesh.
*/
void flip(std::vector<Symbol> &prims) {
for (auto &prim: prims) {
flip(prim);
}
}
/**
@@ -130,9 +73,6 @@ namespace tc {
ind = map[ind];
}
}
if (get_parity(context, g_gens, sg_gens) == 1)
flip(prims);
}
/**
@@ -164,7 +104,7 @@ namespace tc {
const auto table = solve(context, g_gens, Symbol(0));
const auto path = solve(context, g_gens, sg_gens).path();
auto _gens = generators(context);
auto _gens = context.gens;
auto res = path.walk(base, _gens, [&table](auto from, auto &gen) {
apply(table, gen, from);