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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
* Copyright (C) 2010, International Business Machines
* Corporation and others. All Rights Reserved.
*******************************************************************************
* file name: denseranges.h
* encoding: UTF-8
* tab size: 8 (not used)
* indentation:4
*
* created on: 2010sep25
* created by: Markus W. Scherer
*
* Helper code for finding a small number of dense ranges.
*/
#ifndef __DENSERANGES_H__
#define __DENSERANGES_H__
#include "unicode/utypes.h"
/**
* Does it make sense to write 1..capacity ranges?
* Returns 0 if not, otherwise the number of ranges.
* @param values Sorted array of signed-integer values.
* @param length Number of values.
* @param density Minimum average range density, in 256th. (0x100=100%=perfectly dense.)
* Should be 0x80..0x100, must be 1..0x100.
* @param ranges Output ranges array.
* @param capacity Maximum number of ranges.
* @return Minimum number of ranges (at most capacity) that have the desired density,
* or 0 if that density cannot be achieved.
*/
U_CAPI int32_t U_EXPORT2
uprv_makeDenseRanges(const int32_t values[], int32_t length,
int32_t density,
int32_t ranges[][2], int32_t capacity);
#endif // __DENSERANGES_H__
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