Description

Fix a problem with zero GaugeVectorField

Adding %GaugeVectorField 0 | 0 | 0 % to input file in TD mode was leading to activating GaugeFieldPropagate, which is not the expected behavior. This is fixed here, and the variable meaning are clarified.

Closes #238 (closed).

Avoid an assert by adding a proper not_implemented message.

Closes #70 (closed)

News snippet

Closes #238 (closed) and #70 (closed).

Checklist

I have checked that my code follows the Octopus coding standards
I have added tests for all the new features added in this request.