Re: Cast to double being removed

From: Dibyendu Majumdar <mobile@majumdar.org.uk>
To: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Cc: Linux-Sparse <linux-sparse@vger.kernel.org>
Subject: Re: Cast to double being removed
Date: Sun, 19 Mar 2017 15:59:05 +0000	[thread overview]
Message-ID: <CACXZuxfD_Jn8OMyE3sUcMNcJ+0CSwzFR2a_qd9w0TrZpJkxVsQ@mail.gmail.com> (raw)
In-Reply-To: <CAMHZB6HccEp3uacK_tFgxWymM+26bPS85jnTPAjqFpV+qsL70g@mail.gmail.com>

On 19 March 2017 at 15:54, Luc Van Oostenryck
<luc.vanoostenryck@gmail.com> wrote:
> On Sun, Mar 19, 2017 at 4:43 PM, Dibyendu Majumdar
> <mobile@majumdar.org.uk> wrote:
>> Hi Luc,
>>>> The cast to double has been removed. I am trying to understand where
>>>> this is happening as it seems to happen quite early on. Any tips on
>>>> where I should look?
>>>
>>> This is fixed by the patch I sent two days ago:
>>>         https://patchwork.kernel.org/patch/9618765/
>>>
>>
>> I found that in the simplification phase no account is taken of the
>> fact that a constant is floating point. Please try to run this test
>> and let me know if it works.
>
> I know. It's why I already sais several times that there is several issues with
> floating point numbers.
> I'll certainly look at these issues but currently I have around 40
> pending patch series
> for others problems ...
>
>> https://github.com/dibyendumajumdar/dmr_c/blob/master/tests/netlib/paranoia.c
>
> Interesting.
> Do you know the license of this file?
>

http://www.netlib.org/paranoia/index.html

In the source it says:

You may copy this program freely if you acknowledge its source.

I have seen it distributed in other places so I believe it is not restricted.

Regards
Dibyendu