The test assumed an item was 4 bytes. Use itemsize instead of harcoding 4 bytes per item.
The nocopy logic does not handle 0-sized arrays correctly, so just copy. It is a not really useful corner case, so doing a copy should not matter much.
…ng on assert. The latter fails when run with python -OO.
…t they are easier to use. Add instructions how to view each topic.
Fix ticket #878 differently.
…ks are available in an installed NumPy. Display system configuration information when benchmarks are run.