Function FOR_DIRECTIONS

src/structure.cpp:492–492

     chiP[ft] list.) */
  int trivial_sigma[NUM_FIELD_COMPONENTS][5];
  FOR_COMPONENTS(c) FOR_DIRECTIONS(d) { trivial_sigma[c][d] = true; }
  for (int i = 0; i < num_chunks; i++) {
    const susceptibility *newsus = chunks[i]->chiP[ft];
    FOR_FT_COMPONENTS(ft, c) FOR_DIRECTIONS(d) {