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From: Florian Weimer <fw@deneb.enyo.de>
To: Richard Biener <richard.guenther@gmail.com>
Cc: Jakub Jelinek <jakub@redhat.com>,  szabolcs.nagy@arm.com,  Janne Blomqvist <blomqvist.janne@gmail.com>,  nd@arm.com,  GCC Development <gcc@gcc.gnu.org>,  "fortran\@gcc.gnu.org" <fortran@gcc.gnu.org>,  sellcey@cavium.com
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>
Date: Fri, 15 Jun 2018 08:39:00 -0000
In-Reply-To: <CAFiYyc361TAA3Fos=hfY-C11KhhF-gU4qXZd49TfJNXFevRU4g@mail.gmail.com>	(Richard Biener's message of "Thu, 14 Jun 2018 12:28:55 +0200")
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* 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.