PIECE_IS_SLIDER   427 src/attack.cpp          if (PIECE_IS_SLIDER(piece)) {
PIECE_IS_SLIDER   475 src/attack.cpp    if (PIECE_IS_SLIDER(piece)) {
PIECE_IS_SLIDER   107 src/move_check.cpp       } else if (PIECE_IS_SLIDER(piece)) {
PIECE_IS_SLIDER   142 src/move_check.cpp       if (PIECE_IS_SLIDER(piece)) {
PIECE_IS_SLIDER   357 src/move_check.cpp          ASSERT(PIECE_IS_SLIDER(piece));
PIECE_IS_SLIDER   136 src/move_gen.cpp       if (PIECE_IS_SLIDER(piece)) {
PIECE_IS_SLIDER   318 src/see.cpp             ASSERT(PIECE_IS_SLIDER(piece));