|January 20, 2011, 08:58||
Calculating the cosine of a Foam::scalar field
Join Date: Jan 2011
Posts: 14Rep Power: 7
I'm trying to calculate a smoothed Dirac delta function (volScalarField deltaSmooth) from a volScalarField phiLS with the following code:
deltaSmooth[i] = (1 + cos(pi*phiLS[i]/epsLS.value()))/(2*epsLS.value());
deltaSmooth[i] = 0.0;
However, I get the following compilation error:
levelSet.C:88: error: call of overloaded ‘cos(Foam::scalar)’ is ambiguous
/usr/include/bits/mathcalls.h:64: note: candidates are: double cos(double)
/opt/openfoam171/src/OpenFOAM/lnInclude/dimensionedScalar.H:76: note: Foam::dimensionedScalar Foam::cos(const Foam::dimensionedScalar&)
/opt/openfoam171/src/OpenFOAM/lnInclude/Scalar.H:238: note: Foam::doubleScalar Foam::cos(Foam::doubleScalar)
/opt/openfoam171/src/OpenFOAM/lnInclude/Scalar.H:238: note: Foam::floatScalar Foam::cos(Foam::floatScalar)
I also tried phiLS[i].value but without success...
Thanks for any advice!
|January 20, 2011, 09:49||
Alton Luder III
Join Date: Oct 2009
Posts: 22Rep Power: 8
OpenFOAM overloads the cos function. Check namespace issues.
Try Foam::cos(), and then test it to make sure its doing what you want.
I'm not sure why it can't decide if its a doubleScalar or floatScalar, that's usually picked at compile time.
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