use bigint;

$TILE_SIZE_FULL = 128;

if ($TILE_SIZE_FULL == 128) {
   no warnings qw(portable overflow);
   $BM_MIDDLE      = 0x3ffffffffffffffffffffffffffffffc;
   $BM_LEFT        = 0xfffffffffffffffffffffffffffffffc;
   $BM_RIGHT       = 0x3fffffffffffffffffffffffffffffff;
   $BM_OUTER       = 0xc0000000000000000000000000000003;
   $BM_LEFTMIDDLE  = 0x30000000000000000000000000000000;
   $BM_RIGHTMIDDLE = 0x0000000000000000000000000000000c;
}