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Last change
on this file since 88 was
88,
checked in by rosiere, 15 years ago
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Almost complete design
with Test and test platform
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-
Property svn:keywords set to
Id
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File size:
438 bytes
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| 1 | #ifndef Morpheo_Log2_h |
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| 2 | #define Morpheo_Log2_h |
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| 3 | |
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| 4 | /* |
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| 5 | * $Id: Log2.h 88 2008-12-10 18:31:39Z rosiere $ |
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| 6 | * |
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| 7 | * [ Description ] |
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| 8 | * |
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| 9 | */ |
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| 10 | |
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| 11 | #include <stdint.h> |
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| 12 | #include <math.h> |
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| 13 | |
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| 14 | namespace morpheo { |
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| 15 | |
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| 16 | inline uint32_t log2 (uint32_t value) |
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| 17 | { |
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| 18 | return static_cast<uint32_t>(ceil(::log2(value))); |
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| 19 | } |
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| 20 | |
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| 21 | inline bool is_log2 (uint32_t value) |
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| 22 | { |
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| 23 | return (value == static_cast<uint32_t>((1<<(morpheo::log2(value))))); |
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| 24 | } |
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| 25 | |
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| 26 | }; // end namespace morpheo |
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| 27 | |
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| 28 | #endif |
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