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Message-ID: <2e393d08050727215414182be6@mail.gmail.com>
Date: Thu, 28 Jul 2005 04:54:00 -0000
From: corey taylor <corey.taylor@gmail.com>
Reply-To: corey taylor <corey.taylor@gmail.com>
To: Ming-Xiang Fu <deadly@cmlab.csie.ntu.edu.tw>
Subject: Re: 3.4.4 vs 3.2.5 ; fabs: cant use as a function..
Cc: gcc-help@gcc.gnu.org
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References: <20050728041558.M68708@cmlab.csie.ntu.edu.tw>
X-SW-Source: 2005-07/txt/msg00309.txt.bz2

Hi Fu,

  The code you attached doesn't show an include of cmath, but I assume
that you did try it.

  What happens when you explicitly call std::fabs ?

corey

On 7/27/05, Ming-Xiang Fu <deadly@cmlab.csie.ntu.edu.tw> wrote:
>=20
>=20
> hi, I am having some problem to compile a code by gcc 3.4.4 which is
> successfully compiled in gcc 3.2.5.
>=20
>=20
> At the begining, it complains about abs(float) is ambiguous..and sin(), c=
os()
> not declares.
>=20
> And then, I include <cmath>, resolve some problem, and new problem occurs.
>=20
> " ` fabs' cannot be used as a function "
>=20
>=20
>=20
> please give me some guide, I will be appreciate about that.
> Thanks anyway. :)
>=20
>=20
>                                                                          =
                               RedMo
> part of src code as below.
>=20
> -------------------------------------------------------------------------=
-----------------------------------------------------------
>=20
> // GlobalObject.cpp: implementation of the CGlobalObject class.
> //
> //////////////////////////////////////////////////////////////////////
>=20
> #include "GlobalObject.h"
> #include <iomanip>
> #include <math.h>
> #include "../../Node/DEBUG.H"
>=20
> using namespace std;
>=20
> void VsMathObject::Evaluate(int member, VsValue& value, VsExprList &args,
> VsFunctionCall *parent)
> {
>=20
>         switch(member)
>         {
>=20
>         case fabs:
>                 value.SetNumber( fabs(arg0.GetNumber()) );
>                         // arg0.GetNumber() returns a float number.
>                 break;
>         case ffabs:
>                 value.SetNumber( fabs(arg0.GetNumber()) );
>                 break;
>         case facos:
>                 value.SetNumber( acos(arg0.GetNumber()) );
>                 break;
>         case fasin:
>                 value.SetNumber( asin(arg0.GetNumber()) );
>                 break;
>=20
>         default:
>                 ASSERT(false);
>         }
> }
>=20
> -------------------------------------------------------------------------=
--------------------------------------------------
>=20
>=20
>=20
>=20
>=20
> --
> Communication and Multimedia Laboratory
> Dept. of Computer Science and Information Engineering, NTU
>=20
>=20
>=20
>