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Last change
on this file since 67 was
67,
checked in by rosiere, 17 years ago
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Ajout d'un nouveau composant : fifo generic (un port lecture et un port ecriture).
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File size:
455 bytes
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| 1 | #ifndef morpheo_Log2 |
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| 2 | #define morpheo_Log2 |
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| 3 | |
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| 4 | /* |
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| 5 | * $Id$ |
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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 | using namespace std; |
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| 14 | |
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| 15 | namespace morpheo { |
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| 16 | |
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| 17 | inline uint32_t log2 (uint32_t value) |
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| 18 | { |
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| 19 | return static_cast<uint32_t>(ceil(::log2(value))); |
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| 20 | } |
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| 21 | |
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| 22 | inline bool is_log2 (uint32_t value) |
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| 23 | { |
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| 24 | return (value == static_cast<uint32_t>((1<<(morpheo::log2(value))))); |
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| 25 | } |
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| 26 | |
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| 27 | }; // end namespace morpheo |
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| 28 | |
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| 29 | #endif |
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