[petsc-dev] how to print with PescPrintf a PetscScalar value?

[Jed Brown]

On Tue, Jul 3, 2012 at 11:53 PM, Luigia Ambrosio
<ambrosio.luigia at gmail.com>wrote:

> It seems I don't have this function. I checked my configuring options, in
> particular
> --with-scalar-type=complex
>

Which version of PETSc? Can you send the full error message?


>
> so I'm sure that a PetscScalar variable is handled as a complex number. I
> tried to use the PetscRealPart but it says:
> error: 'PetscRealPart' was not declared in this scope
>
> I included also the header "petscmat.h" but there isn't defined this
> function.
> It seems that I don't include the right header, I googled it but I didn't
> find it. Which header shiuld I include?
>

That header includes petscmath.h (which you should not include directly).


> thanks
>
> Luigia Ambrosio
>
> Se la gente ferisce è perchè tu sei migliore e lo capisce bene! - Tiziano
> Ferro
>
>
>
>
> Il giorno 04/lug/2012, alle ore 09:28, Jed Brown ha scritto:
>
> On Tue, Jul 3, 2012 at 11:26 PM, Luigia Ambrosio <
> ambrosio.luigia at gmail.com> wrote:
>
>> Is there a function already avilable to get the real part of a
>> petscscalar value?
>>
>>
> PetscRealPart() and PetscImaginaryPart()
>
>
>
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