tree 924ab25bdc5b70f84593a72d9f06a7a903ce2791
parent 3b73313e2a120c6762738a511dc7c5b683125ec2
author Sameer Agarwal <sameeragarwal@google.com> 1401403141 -0700
committer Sameer Agarwal <sameeragarwal@google.com> 1401480018 -0700

Add Solver::Options::IsValid.

This provides a user visible way to validate the Solver::Options
before calling Solve.

Change-Id: Ife84fd33532ab2ccb7ac95abe22735843db51fde