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| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /intl/icu/source/tools/toolutil/denseranges.h | |
| parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'intl/icu/source/tools/toolutil/denseranges.h')
| -rw-r--r-- | intl/icu/source/tools/toolutil/denseranges.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/intl/icu/source/tools/toolutil/denseranges.h b/intl/icu/source/tools/toolutil/denseranges.h new file mode 100644 index 000000000..7b072f465 --- /dev/null +++ b/intl/icu/source/tools/toolutil/denseranges.h @@ -0,0 +1,41 @@ +// Copyright (C) 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: 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__ |