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/*
* Copyright (C) 2010 Red Hat, Inc. All rights reserved.
*
* This file is part of LVM2.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License v.2.1.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "lvm-percent.h"
float percent_to_float(percent_t v)
{
return (float)v / PERCENT_1;
}
percent_t make_percent(uint64_t numerator, uint64_t denominator)
{
percent_t percent;
if (!denominator)
return PERCENT_100; /* FIXME? */
if (!numerator)
return PERCENT_0;
if (numerator == denominator)
return PERCENT_100;
switch (percent = PERCENT_100 * ((double) numerator / (double) denominator)) {
case PERCENT_100:
return PERCENT_100 - 1;
case PERCENT_0:
return PERCENT_0 + 1;
default:
return percent;
}
}
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