[CPP] Change cocycle type from int to index_t

Signed-off-by: julian <[email protected]>

gph/src/ripser.h

@@ -94,7 +94,7 @@ typedef uint16_t coefficient_t;
 const size_t num_coefficient_bits = 8;
 
 using barcodes_t = std::vector<value_t>;
-using cocycle_t = std::vector<int>;
+using cocycle_t = std::vector<index_t>;
 using cocycles_t = std::vector<cocycle_t>;
 
 
@@ -1326,8 +1326,8 @@ class ripser
             cocycle_simplex.clear();
             get_simplex_vertices(get_index(cocycle_e), dim, n,
                                  std::back_inserter(cocycle_simplex));
-            for (size_t k = 0; k < cocycle_simplex.size(); k++) {
-                thiscocycle.push_back((int) cocycle_simplex[k]);
+            for (auto& cocycle : cocycle_simplex) {
+                thiscocycle.push_back(cocycle);
             }
             thiscocycle.push_back(
                 normalize(get_coefficient(cocycle_e), modulus));