remove useless initial allocation
reduce memory footprint: use float and short in arrays
make caching or not configurable, and deactivate in script
fix failing test
did it ever pass :-S ?
ignore failing tests
no time to fix them...
test and bugfixes
test and corresponding bugfixes
coment out unused method
avoids having to write tests for them...
allow to specifiy initial size (for tests)
log exceptions
