Samuel Vrede

[Issue] Recovering from out of memory error

3

**Describe the issue** When running AMGX on a too large case for the GPU it reports the following error ``` Thrust failure: transform: failed to synchronize: cudaErrorIllegalAddress: an illegal memory...

Fix convergence result for trivial solution

2

Due to changes in #261 a system which is already solved will incorrectly be reported as `AMGX_ST_NOT_CONVERGED`. This commit adjusts this behavior and also adds a test case for the...