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comparison: intl/icu/source/tools/toolutil/denseranges.h
intl/icu/source/tools/toolutil/denseranges.h
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| -1:000000000000 | 0:1f3143486b59 |
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| 1 /* | |
| 2 ******************************************************************************* | |
| 3 * Copyright (C) 2010, International Business Machines | |
| 4 * Corporation and others. All Rights Reserved. | |
| 5 ******************************************************************************* | |
| 6 * file name: denseranges.h | |
| 7 * encoding: US-ASCII | |
| 8 * tab size: 8 (not used) | |
| 9 * indentation:4 | |
| 10 * | |
| 11 * created on: 2010sep25 | |
| 12 * created by: Markus W. Scherer | |
| 13 * | |
| 14 * Helper code for finding a small number of dense ranges. | |
| 15 */ | |
| 16 | |
| 17 #ifndef __DENSERANGES_H__ | |
| 18 #define __DENSERANGES_H__ | |
| 19 | |
| 20 #include "unicode/utypes.h" | |
| 21 | |
| 22 /** | |
| 23 * Does it make sense to write 1..capacity ranges? | |
| 24 * Returns 0 if not, otherwise the number of ranges. | |
| 25 * @param values Sorted array of signed-integer values. | |
| 26 * @param length Number of values. | |
| 27 * @param density Minimum average range density, in 256th. (0x100=100%=perfectly dense.) | |
| 28 * Should be 0x80..0x100, must be 1..0x100. | |
| 29 * @param ranges Output ranges array. | |
| 30 * @param capacity Maximum number of ranges. | |
| 31 * @return Minimum number of ranges (at most capacity) that have the desired density, | |
| 32 * or 0 if that density cannot be achieved. | |
| 33 */ | |
| 34 U_CAPI int32_t U_EXPORT2 | |
| 35 uprv_makeDenseRanges(const int32_t values[], int32_t length, | |
| 36 int32_t density, | |
| 37 int32_t ranges[][2], int32_t capacity); | |
| 38 | |
| 39 #endif // __DENSERANGES_H__ |
