[petsc-dev] fortran literals

Jed Brown jed at jedbrown.org
Thu Sep 1 23:28:37 CDT 2016

Barry Smith <bsmith at mcs.anl.gov> writes:
>   Horrible to have to uglify all the source code for all real numbers without exact hexadecimal representation like this.
>    I could live with having 
>    PetscReal a = .7_Q; 
> say (which won't work) but asking me to accept PetscRealLiteral(0.7); doesn't make me happy.
>    PetscReal a = _R(.7)  as an unhappy compromise? With imperfect namespacing.

Oh, I figured the non-namespaced version would be used privately in
compilation units that make heavy use of it.  But #define'ing _R() in a
public header would be bad behavior even if it didn't violate the
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