Make PatMatchTool a bit faster
Improved timing of PatMatchTool by about 45% (according to callgrind). Mainly buffering the LHCb::State of the inner loop, as the call to "closestState()" is expensive.
Improved timing of PatMatchTool by about 45% (according to callgrind). Mainly buffering the LHCb::State of the inner loop, as the call to "closestState()" is expensive.