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// $Id$ -*-c++-*-
//***************************************************************************
// File:
// MathExtras.h
//
// Purpose:
//
// History:
// 8/25/01 - Vikram Adve - Created
//**************************************************************************/
#ifndef LLVM_SUPPORT_MATH_EXTRAS_H
#define LLVM_SUPPORT_MATH_EXTRAS_H
#include <sys/types.h>
inline bool IsPowerOf2 (int64_t C, unsigned& getPow);
inline
bool IsPowerOf2(int64_t C, unsigned& getPow)
{
if (C < 0)
C = -C;
bool isBool = C > 0 && (C == (C & ~(C - 1)));
if (isBool)
for (getPow = 0; C > 1; getPow++)
C = C >> 1;
return isBool;
}
#endif /*LLVM_SUPPORT_MATH_EXTRAS_H*/
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