working on matrix powers
Merge branch 'master' of https://github.com/ucb-sejits/hindemith
working on matrix powers
matrix powers now has callable second parameter
second kernel seems to be basically working
fixed bug with border 0
border is now a parameter
re-worked testing
Merge branch 'master' of https://github.com/ucb-sejits/hindemith
working on tree based version of matrix powers
closer to functional version