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RE: arithmetic underflow
- From: "Guglielmo Pasa" <guglielmo dot pasa at bluewin dot ch>
- To: "'Paul Brook'" <paul at codesourcery dot com>,<fortran at gcc dot gnu dot org>
- Date: Fri, 25 Mar 2005 19:09:02 +0100
- Subject: RE: arithmetic underflow
Same error with -Wno-underflow switch.
--
Sincerely yours,
Pasa Guglielmo
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-----Message d'origine-----
De?: fortran-owner@gcc.gnu.org [mailto:fortran-owner@gcc.gnu.org] De la part
de Paul Brook
Envoyé?: vendredi, 25. mars 2005 19:02
À?: fortran@gcc.gnu.org
Cc?: Guglielmo Pasa
Objet?: Re: arithmetic underflow
On Friday 25 March 2005 17:42, Guglielmo Pasa wrote:
> In compiling the code below I get arithmetic underflow.
> The code compiles fine with other compilers but gfortran doesn't like it.
> I run the build with
>
> gfc -M ../mod_gfc -d8 units.f90
>
> but I get
>
> In file units.f90:17
>
> REAL,PARAMETER :: hb2over2m = (hbar/(2*emass))*hbar ! hb^2/2m_e en : J
> m^2
> 1
> Error: Arithmetic underflow at (1)
>
> I'm running gfortran binaries built for cygwin (the last binaries provided
> kindly by Paul Thomas (Thanks by the way ;o) )
I can't reproduce this on i686-linux. This error was turned into a warning
quite some time ago, and can be disabled with -Wno-underflow.
Paul