stan-dev/stan — pull request #897 by PeterLi2016 (2014-08-21 18:27:04+00:00)
Title: fixed check_simplex and added NaN test

#### Summary:
Fix check_simplex (issue #896).

#### Intended Effect:
Make sure check_simplex fails when NaN is passed in.

#### How to Verify:
Run test/unit/math/error_handling/matrix/check_simplex

#### Side Effects:
None.

#### Documentation:
None.

#### Reviewer Suggestions:
Anyone.