4bbb1f4b63
the previous implementation.
31 lines
671 B
C++
31 lines
671 B
C++
#ifndef slic3r_Utils_hpp_
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#define slic3r_Utils_hpp_
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namespace Slic3r {
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extern void set_logging_level(unsigned int level);
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extern void trace(unsigned int level, const char *message);
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// Compute the next highest power of 2 of 32-bit v
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// http://graphics.stanford.edu/~seander/bithacks.html
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template<typename T>
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inline T next_highest_power_of_2(T v)
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{
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if (v != 0)
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-- v;
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v |= v >> 1;
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v |= v >> 2;
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v |= v >> 4;
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if (sizeof(T) >= sizeof(uint16_t))
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v |= v >> 8;
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if (sizeof(T) >= sizeof(uint32_t))
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v |= v >> 16;
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if (sizeof(T) >= sizeof(uint64_t))
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v |= v >> 32;
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return ++ v;
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}
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} // namespace Slic3r
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#endif // slic3r_Utils_hpp_
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