bit of compress through, with safety and shape inference patches
bit of compress through, with safety and shape inference patches

ucsd-progsys/csolve,ucsd-progsys/csolve-bak,ucsd-progsys/csolve-bak,ucsd-progsys/csolve,ucsd-progsys/csolve-bak,ucsd-progsys/csolve,ucsd-progsys/csolve,ucsd-progsys/csolve,ucsd-progsys/csolve-bak,ucsd-progsys/csolve,ucsd-progsys/csolve,ucsd-progsys/csolve-bak,ucsd-progsys/csolve-bak,ucsd-progsys/csolve,ucsd-progsys/csolve-bak,ucsd-progsys/csolve,ucsd-progsys/csolve-bak,ucsd-progsys/csolve,ucsd-progsys/csolve,ucsd-progsys/csolve-bak,ucsd-progsys/csolve-bak,ucsd-progsys/csolve-bak