/usr/include/libwildmagic/Wm5BitHacks.h is in libwildmagic-dev 5.13-1+b2.
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The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 | // Geometric Tools, LLC
// Copyright (c) 1998-2014
// Distributed under the Boost Software License, Version 1.0.
// http://www.boost.org/LICENSE_1_0.txt
// http://www.geometrictools.com/License/Boost/LICENSE_1_0.txt
//
// File Version: 5.0.1 (2010/10/01)
// Bit hacks are available at
// http://graphics.stanford.edu/~seander/bithacks.html
#ifndef WM5BITHACKS_H
#define WM5BITHACKS_H
#include "Wm5MathematicsLIB.h"
namespace Wm5
{
WM5_MATHEMATICS_ITEM bool IsPowerOfTwo (unsigned int value);
WM5_MATHEMATICS_ITEM bool IsPowerOfTwo (int value);
WM5_MATHEMATICS_ITEM unsigned int Log2OfPowerOfTwo (unsigned int powerOfTwo);
WM5_MATHEMATICS_ITEM int Log2OfPowerOfTwo (int powerOfTwo);
// Fast conversion from a IEEE 32-bit floating point number F in [0,1] to a
// a 32-bit integer I in [0,2^P-1]. The input 'value' is F, the input
// 'power' is P, and the return value of the function is I.
inline int ScaledFloatToInt (float value, int power);
#include "Wm5BitHacks.inl"
}
#endif
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