subtractTemplates.C
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27 
28 // * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
29 
30 template<class GeoFieldType>
32 Foam::functionObjects::subtract::calcFieldType() const
33 {
34  tmp<GeoFieldType> tresult
35  (
36  lookupObject<GeoFieldType>(fieldNames_[0])
37  - lookupObject<GeoFieldType>(fieldNames_[1])
38  );
39 
40  for (label i=2; i<fieldNames_.size(); i++)
41  {
42  tresult.ref() -= lookupObject<GeoFieldType>(fieldNames_[i]);
43  }
44 
45  return tresult;
46 }
47 
48 
49 // ************************************************************************* //
Foam::tmp
A class for managing temporary objects.
Definition: PtrList.H:59
Foam::tmp::ref
T & ref() const
Definition: tmpI.H:258
Foam::label
intWM_LABEL_SIZE_t label
A label is an int32_t or int64_t as specified by the pre-processor macro WM_LABEL_SIZE.
Definition: label.H:62
Foam::functionObjects::fieldsExpression::fieldNames_
wordList fieldNames_
Names of fields to process.
Definition: fieldsExpression.H:69