I am not sure, but probably a workaround is better.
I also attach the notebook I made up yesterday for Jaime where a more
involved trace-functions than just TR[Calc[#]]& was needed.
Jon Palmer wrote:
>We appreciate the help understanding these trace bugs.
>Does this bug persist if the traces result from calculating amplitudes using
>FeyArts/Phi. For instance in the following example
>tops = CreateTopologies[args]
>inserts = InsertFields[tops, ....]
>ampFA = CreateFeynAmp[inserts, ....]
>ampFC = FAToFC[ampFA, DiracTraceEvaluate -> True]
>Can we assume that the traces in ampFC will be evaluated properly or is a
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