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Re: libmvec in gcc to have vector math in fortran
- From: Florian Weimer <fw at deneb dot enyo dot de>
- To: Richard Biener <richard dot guenther at gmail dot com>
- Cc: Jakub Jelinek <jakub at redhat dot com>, szabolcs dot nagy at arm dot com, Janne Blomqvist <blomqvist dot janne at gmail dot com>, nd at arm dot com, GCC Development <gcc at gcc dot gnu dot org>, "fortran\@gcc.gnu.org" <fortran at gcc dot gnu dot org>, sellcey at cavium dot com
- Date: Fri, 15 Jun 2018 09:59:15 +0200
- Subject: Re: libmvec in gcc to have vector math in fortran
- References: <6a8d496b-d830-5eb2-eba3-c2e452d06493@arm.com> <CAO9iq9FvH9Mbmec+tDO5_31vaKiu3p=WGhAXuFFUq8EJEeiQ-g@mail.gmail.com> <80c395e1-9de5-1d9c-35b6-1ccfdfa6a9e5@arm.com> <20180410102954.GB8577@tucnak> <CAFiYyc36_0n2Wn4huhAQO3C+J_ohJhUZqcE2+6m+tkU3m6LvoQ@mail.gmail.com> <20180410130655.GD8577@tucnak> <CAFiYyc361TAA3Fos=hfY-C11KhhF-gU4qXZd49TfJNXFevRU4g@mail.gmail.com>
* Richard Biener:
> 'pure' makes it pure but there doesn't seem to be a way to make it const?
Does Fortran support setting the rounding mode?
In C, sin is not const because it depends on the current rounding
mode.