/* ******************************************************************************* * Copyright (C) 2010, International Business Machines * Corporation and others. All Rights Reserved. ******************************************************************************* * file name: denseranges.h * encoding: US-ASCII * 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__