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Re: [gfortran] PATCH arith.c, another range checking problem

From: Steve Kargl <sgk at troutmask dot apl dot washington dot edu>
To: Tobias Schl?ter <tobias dot schlueter at physik dot uni-muenchen dot de>
Cc: fortran at gcc dot gnu dot org, gcc-patches at gcc dot gnu dot org
Date: Tue, 18 May 2004 09:47:14 -0700
Subject: Re: [gfortran] PATCH arith.c, another range checking problem
References: <20040518020357.GA41111@troutmask.apl.washington.edu> <40A9EF90.1090509@physik.uni-muenchen.de>

On Tue, May 18, 2004 at 01:12:16PM +0200, Tobias Schl?ter wrote:
> Steve Kargl wrote:
> >This range checking problem is probably a benign bug, but I
> >thought we should fix it away.  The fix is obvious.
> 
> I applied this as obvious.
> 
> I'm wondering if this can ever trigger. Is there a combination of 
> integer and real kinds where an integer can overflow a real? Or is there 
> something else which could happen? Nevertheless, having the correct 
> check in place seems more appropriate.
> 

No, it cannot trigger based on our current INTEGER and REAL types
and kinds.   This is why I called it a benign bug.

-- 
Steve

References:
- [gfortran] PATCH arith.c, another range checking problem
  - From: Steve Kargl
- Re: [gfortran] PATCH arith.c, another range checking problem
  - From: Tobias Schlüter

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