On Tue, Dec 10, 2013 at 2:22 PM, Santiago Alonso Pérez Rubiano
<srubi...@purdue.edu> wrote:
> I'm getting narrwoing conversion errors on the
> files src/quadrature/quadrature_monomial_3D.C
> and src/quadrature/quadrature_monomial_2D.C, e.g.
>
> src/quadrature/quadrature_monomial_3D.C: In member function 'virtual void
>> libMesh::QMonomial::init_3D(libMeshEnums::ElemType, unsigned int)':
>> src/quadrature/quadrature_monomial_3D.C:58: error: narrowing conversion of
>> '(4.0e+0l / 3.0e+0l)' from 'long double' to 'const libMesh::Real' inside { }
>
>
>
> I fixed that by going from long double to float : 4.L / 3.L to 4.f / 3.f ,
> however I wanted to know if anyone has ever seen this kind of errors?
Yep, those warnings are emitted on newer compilers with -std=c++11 for
code inside {}, as the message says.
The right fix is: static_cast<Real>( 4.0L/3.0L ), to get the best
accuracy when Real==long double.
I'll commit a fix for this now.
--
John
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