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new module 'ldexpf'
From: |
Bruno Haible |
Subject: |
new module 'ldexpf' |
Date: |
Fri, 7 Oct 2011 11:20:48 +0200 |
User-agent: |
KMail/1.13.6 (Linux/2.6.37.6-0.5-desktop; KDE/4.6.0; x86_64; ; ) |
Similarly, a new module 'ldexpf' whose main part is:
================================ lib/ldexpf.c ================================
/* Multiply a 'float' by a power of 2.
Copyright (C) 2011 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <config.h>
/* Specification. */
#include <math.h>
/* Avoid some warnings from "gcc -Wshadow".
This file doesn't use the exp() function. */
#undef exp
#define exp exponent
float
ldexpf (float x, int exp)
{
return (float) ldexp ((double) x, exp);
}
==============================================================================
--
In memoriam Anna Politkovskaya <http://en.wikipedia.org/wiki/Anna_Politkovskaya>
- new module 'fabsf', Bruno Haible, 2011/10/05
- new module 'fmodf', Bruno Haible, 2011/10/05
- new module 'modff', Bruno Haible, 2011/10/05
- new module 'frexpf', Bruno Haible, 2011/10/06
- Re: new module 'fabsf', Bruno Haible, 2011/10/06
- new module 'ldexpf',
Bruno Haible <=
- new 'float' math modules, Bruno Haible, 2011/10/08