| // © 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__ |
