allemang.d/toddcox-visualize
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Make Row struct smaller with bit fields.

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This commit is contained in:
David Allemang
2022-09-14 21:17:52 -04:00
parent 73c6d800cc
commit 27a3231cfe
1 changed files with 5 additions and 13 deletions
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18
tc/src/core.cpp
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@@ -15,14 +15,12 @@ namespace tc {
* Rows document the "loops" formed by * Rows document the "loops" formed by
*/ */
struct Row { struct Row {
bool free = true; bool free: 1;
bool idem = false; bool idem: 1;
unsigned int gnr: 14; // progress through the loop
unsigned int lst_idx: 32; // the coset that would complete the loop
// the number of cosets identified so far Row() : free(true), idem(false), gnr(0), lst_idx(0) {}
int gnr = 0;
// the index of the coset that would complete the loop
size_t lst_idx = 0;
}; };
struct Tables { struct Tables {
@@ -149,12 +147,6 @@ namespace tc {
trow = crow; trow = crow;
trow.gnr++; trow.gnr++;
// trow.lst_idx = crow.lst_idx;
// trow.free = crow.free;
// trow.gnr = crow.gnr + 1;
// if (crow.gnr < 0)
// trow.gnr -= 2;
if (trow.idem) { if (trow.idem) {
if (trow.gnr == rel.mult) { if (trow.gnr == rel.mult) {