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Small updates

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This commit is contained in:
Jacob
2019-12-07 17:57:45 -05:00
parent a89ab2430c
commit b02eec5d1a
1 changed files with 10 additions and 10 deletions
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20
cpu-opt/main.cpp
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@@ -271,10 +271,6 @@ int add_coset(const Coxeter &cox,
}
//#define __AVX2__
#ifndef __AVX2__
/**
* learn until it can't
*/
@@ -301,9 +297,13 @@ void learn(const Coxeter &cox, CosetTable &cosets,
auto e_c = table.end_cosets[c];
auto i_c = table.init_cosets[c];
int g_i = s_i & 1;
Gen g = gens[g_i];
while (s_i < e_i) {
const int lookup = cosets[s_c*ngens + gens[s_i&1]];
const int lookup = cosets[g + s_c*ngens];
if (lookup < 0) break;
g_i = 1-g_i;
g = gens[g_i];
s_i++;
s_c = lookup;
@@ -318,9 +318,13 @@ void learn(const Coxeter &cox, CosetTable &cosets,
table.start_inds[c] = s_i;
table.start_cosets[c] = s_c;
g_i = e_i & 1;
g = gens[g_i];
while (s_i < e_i) {
const int lookup = cosets[e_c*ngens + gens[e_i&1]];
const int lookup = cosets[g + e_c*ngens];
if (lookup < 0) break;
g_i = 1-g_i;
g = gens[g_i];
e_i--;
e_c = lookup;
@@ -352,10 +356,6 @@ void learn(const Coxeter &cox, CosetTable &cosets,
}
}
#else
#endif
CosetTable solve_tc(const Coxeter &cox, const Gens &subgens) {
CosetTable cosets(cox.ngens);
std::vector<RelTable> reltables;