problems with ACML and single precision

[Matthew Knepley]

Yes, you need to let us compile for single precision. Use the option in the
error message.

  Thanks,

    Matt

On 6/28/07, Roberto Gori <r.gori at cineca.it> wrote:
>
>
> Hi,
>
> i'm trying to install PETSc 2.3.3-p3 on a Linux amd64 cluster.
>
> There's no problems wìth double precison but when I add the single precision
> option to my configure command I get the following error:
>
> =================================================================================
>              Configuring PETSc to compile on your system
>
> =================================================================================
> TESTING: checkMissing from
> config.packages.BlasLapack(python/BuildSystem/config/packages/BlasLapack.py:446)
>
>
> *********************************************************************************
>          UNABLE to CONFIGURE with GIVEN OPTIONS    (see configure.log for
> details):
> ---------------------------------------------------------------------------------------
> Need to use --download-c-blas-lapack when using
> --with-precision=longdouble/single
> *********************************************************************************
>
>
> This is my configure:
> config/configure.py --with-mpirun=mpirun.lsf --with-shared=0
> --with-blas-lib=/cineca/prod/acml/3.6.0/ifort64/lib/libacml.a
> --with-lapack-lib=/cineca/prod/acml/3.6.0/ifort64/lib/libacml.a
> --with-precision=single
>
>
> Maybe ACML is not supported for single precision?
>
> Thanks
>
>     Roberto


-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which
their experiments lead.
-- Norbert Wiener