OpenMDAO can check partials with the same method used to compute them (e.g. 'cs' and 'cs' or 'fd/forward' and 'fd/forward'). This should not be allowed.
Issue Type
[ ] Bug
[x] Enhancement
[ ] Docs
[ ] Miscellaneous
Description
The check_partials functionality allows a user to check the accuracy of components that use cs by using cs. This will result in no difference and is obviously not what we want. This sort of behavior should probably result in an exception, since an ignored warning here can result in the failure of a model to work correctly.
OpenMDAO should allow forward finite difference to be checked with other forms of finite difference.
check_totals used with approx_totals is also subject to the same issue.
robfalck
commented
3 years ago
Summary of Issue
OpenMDAO can check partials with the same method used to compute them (e.g. 'cs' and 'cs' or 'fd/forward' and 'fd/forward'). This should not be allowed.
Issue Type
Description
The check_partials functionality allows a user to check the accuracy of components that use cs by using cs. This will result in no difference and is obviously not what we want. This sort of behavior should probably result in an exception, since an ignored warning here can result in the failure of a model to work correctly.
OpenMDAO should allow forward finite difference to be checked with other forms of finite difference.
check_totals used with approx_totals is also subject to the same issue.
Example
N/A
Environment
N/A