Function EdgeIndex

tensorflow/compiler/jit/graphcycles/graphcycles_test.cc:189–196

Returns the index of edge (from, to) in *edges or -1 if it is not in *edges.

// Returns the index of edge (from, to) in *edges or -1 if it is not in *edges.
static int EdgeIndex(Edges *edges, int from, int to) {
  int i = 0;
  while (i != edges->size() &&
         ((*edges)[i].from != from || (*edges)[i].to != to)) {
    i++;
  }
  return i == edges->size() ? -1 : i;
}

TEST(GraphCycles, RandomizedTest) {
  Nodes nodes;