td-mpcdf

Change regex order for FortranLexer

1

Punctuation check should be after the check for literal operators, otherwise the . is absorbed in a Token.Punctuation. Also added the => operator and corrected the order to check for...

Add a new test which does a pnfft_trafo and a pnfft_adj.

1

This test shows differences if parallelized with 2 or 3 processes.