Matthew Martineau

Implemented device-side diag dominance test and exposed through API.

Marat confirmed that several of the coarseAgenerators are simply historical implementations leading to low_deg. We should remove the other implementations.

Starting to flesh out how we ensure API calls like AMGX_vector_upload use the memory pool. Not sure why they don't already but this would fix transformVector, enabling better perf for...

Fixed two issues with the handling of block sizes > 1. (1) block sizes were incorrectly resized back to 1 in append_halo_rows (2) block sizes were incorrectly truncated to 0...