// functions
/// \brief Size the wire usage according to the number of device tiles.
void autosize(void) {
// release any existing bitsets
for(TileCount i; i < mBitsets.getSize(); i++) {
if(mBitsets[i] != 0) { delete mBitsets[i]; mBitsets[i] = 0; }
mTileDirty.reset(i);
}
// resize for the new dimensions
TileCount tileCount = mTiles.getTileCount();
mBitsets.setSize(tileCount);
for(TileCount i; i < tileCount; i++) mBitsets[i] = 0;
mTileDirty.resize(tileCount);
}
/// \brief Marks all arcs as being unused, without releasing the bitset objects.
/// \details This capability allows the tracer to track the wires that it has visited while
/// processing a particular net, and then to start again from scratch without incurring
/// allocation and construction overheads.
void clear(void) {
// iterate over all of the tiles
size_t tileCount = mBitsets.getSize();
for(TileIndex i; i < tileCount; i++) {
// skip this tile if it isn't dirty
if(!mTileDirty[i]) continue;
// mark the tile clean
mTileDirty.reset(i);
// look up the bitset for this tile
dynamic_bitset* bitset = mBitsets[i];
// skip tiles without an associated bitset (should never happen for dirty tiles)
if(bitset == 0) continue;
// clear the entire bitset
bitset->reset();
}
}
