adding basic add functionality

src/postProcessing/foamCalcFunctions/basic/add/writeAddValue.C

@@ -0,0 +1,74 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 1991-2008 OpenCFD Ltd.
+     \\/     M anipulation  |
+-------------------------------------------------------------------------------
+License
+    This file is part of OpenFOAM.
+
+    OpenFOAM is free software; you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by the
+    Free Software Foundation; either version 2 of the License, or (at your
+    option) any later version.
+
+    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with OpenFOAM; if not, write to the Free Software Foundation,
+    Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+\*---------------------------------------------------------------------------*/
+
+template<class Type>
+void Foam::calcTypes::add::writeAddValue
+(
+    const IOobject& baseHeader,
+    const string& valueStr,
+    const fvMesh& mesh,
+    bool& processed
+)
+{
+    typedef GeometricField<Type, fvPatchField, volMesh> fieldType;
+
+    if (baseHeader.headerClassName() == fieldType::typeName)
+    {
+        if (resultName_ == "")
+        {
+            resultName_ = baseHeader.name() + "_plus_value";
+        }
+
+        Type value;
+        IStringStream(valueStr)() >> value;
+
+        Info<< "    Reading " << baseHeader.name() << endl;
+            fieldType baseField(baseHeader, mesh);
+
+        fieldType newField
+        (
+            IOobject
+            (
+                resultName_,
+                mesh.time().timeName(),
+                mesh,
+                IOobject::NO_READ
+            ),
+            baseField
+        );
+
+        Info<< "    Calculating " << resultName_ << endl;
+        newField == baseField
+            + dimensioned<Type>("value", baseField.dimensions(), value);
+        newField.write();
+
+        processed = true;
+    }
+
+}
+
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //