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/* Value distribution of plural form expressions.
Copyright (C) 2001-2008, 2015-2016 Free Software Foundation, Inc.
Written by Bruno Haible <bruno@clisp.org>, 2001-2005.
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/>. */
#ifndef _PLURAL_DISTRIB_H
#define _PLURAL_DISTRIB_H
/* Definition of 'struct expression'. */
#include "plural-exp.h"
#ifdef __cplusplus
extern "C" {
#endif
/* The value distribution of a plural formula. */
struct plural_distribution
{
/* The plural formula as a parsed expression. */
const struct expression *expr;
/* OFTEN is either NULL or an array of nplurals elements,
OFTEN[j] being true if the value j appears to be assumed infinitely often
by the plural formula. */
const unsigned char *often;
/* The length of the OFTEN array. */
unsigned long often_length;
/* A function which evaluates the plural formula for min <= n <= max
and returns the estimated number of times the value j was assumed. */
unsigned int (*histogram) (const struct plural_distribution *self,
int min, int max, unsigned long j);
};
#ifdef __cplusplus
}
#endif
#endif /* _PLURAL_DISTRIB_H */
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