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// -*- C++ -*-
//
// $Id$
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
namespace ACE_OS {
ACE_INLINE double
floor (double x)
{
#if defined (ACE_LACKS_FLOOR)
// This method computes the largest integral value not greater than x.
if(x > 0)
return static_cast<long> (x);
else if ((static_cast<long> (x) < x) || (static_cast<long> (x) > x) )
return static_cast<long>(x) - 1;
else
return x;
#else
return ::floor (x);
#endif
}
ACE_INLINE double
ceil (double x)
{
#if defined (ACE_LACKS_CEIL)
// This method computes the smallest integral value not less than x.
if (x < 0)
return static_cast<long> (x);
else if ((static_cast<long> (x) < x) || (static_cast<long> (x) > x))
return static_cast<long> (x) + 1;
else
return x;
#else
return ::ceil (x);
#endif
}
ACE_INLINE double
log2 (double x)
{
return ace_log2_helper (x);
}
} // ACE_OS namespace
ACE_END_VERSIONED_NAMESPACE_DECL
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