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Viewing changes to madgraph/core/helas_objects.py

  • Committer: olivier-mattelaer
  • Date: 2020-07-06 19:41:16 UTC
  • mfrom: (961.1.9 3.0.3)
  • Revision ID: olivier-mattelaer-20200706194116-pm8u0fi091uqpuon
pass to 3.0.3

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Lines of Context:
madgraph/core/helas_objects.py
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                    # Identical matrix element found
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                    other_processes = identified_matrix_elements[me_index].\
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                                      get('processes')
 
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                    other_processes.append(cls.reorder_process(\
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                        amplitude.get('process'),
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                        permutations[me_index],
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        """Reorder the legs in the process according to the difference
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        between org_perm and proc_perm"""
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        leglist = base_objects.LegList(\
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                  [copy.copy(process.get('legs_with_decays')[i]) for i in \
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                   diagram_generation.DiagramTag.reorder_permutation(\
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                       proc_perm, org_perm)])
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        new_proc = copy.copy(process)
 
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        if org_perm == proc_perm:
 
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            return new_proc
 
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        if  len(org_perm) != len(process.get('legs_with_decays')):
 
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            raise Exception, "issue on symmetry between process"
 
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        new_proc.set('legs_with_decays', leglist)
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        if not new_proc.get('decay_chains'):
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            new_proc.set('legs', leglist)
 
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            assert len(process.get('legs')) == len(leglist)
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        return new_proc