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Diffstat (limited to 'ACE/ace/OS_NS_math.h')
-rw-r--r-- | ACE/ace/OS_NS_math.h | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/ACE/ace/OS_NS_math.h b/ACE/ace/OS_NS_math.h deleted file mode 100644 index 49143738a79..00000000000 --- a/ACE/ace/OS_NS_math.h +++ /dev/null @@ -1,115 +0,0 @@ -// -*- C++ -*- - -//============================================================================= -/** - * @file OS_NS_math.h - * - * $Id$ - * - * @author Douglas C. Schmidt <schmidt@cs.wustl.edu> - * @author Jesper S. M|ller<stophph@diku.dk> - * @author and a cast of thousands... - * - * Originally in OS.h. - */ -//============================================================================= - -#ifndef ACE_OS_NS_MATH_H -# define ACE_OS_NS_MATH_H - -# include /**/ "ace/pre.h" - -# include "ace/config-all.h" - -# if !defined (ACE_LACKS_PRAGMA_ONCE) -# pragma once -# endif /* ACE_LACKS_PRAGMA_ONCE */ - -#include "ace/os_include/os_math.h" - -#include /**/ "ace/ACE_export.h" - -#if defined (ACE_EXPORT_MACRO) -# undef ACE_EXPORT_MACRO -#endif -#define ACE_EXPORT_MACRO ACE_Export - - -/* - * We inline and undef some functions that may be implemented - * as macros on some platforms. This way macro definitions will - * be usable later as there is no way to save the macro definition - * using the pre-processor. - * - */ -inline double ace_log2_helper (double x) -{ -#if defined (log2) - return log2 (x); -#undef log2 -#else -# if !defined (ACE_LACKS_LOG2) - return ACE_STD_NAMESPACE::log2 (x); -# else - /* - ================================================================== - - log (x) - k - log (x) = ------- - b log (b) - k - - meaning the binary logarithm of x using the natural logarithm, for - example, is: - - - log (x) - e - log (x) = ------- - 2 log (2) - e - - ================================================================== - */ - - // Precomputed value of 1/log(2.0). Saves an expensive division and - // computing log(2.0) in each call. - double const _1_ln2 = 1.442695040888963407359924681002; - - return log (x) * _1_ln2; -# endif /* !ACE_LACKS_LOG2 */ -#endif /* defined (log2) */ -} - - -ACE_BEGIN_VERSIONED_NAMESPACE_DECL - -namespace ACE_OS -{ - /// This method computes the largest integral value not greater than x. - ACE_NAMESPACE_INLINE_FUNCTION - double floor (double x); - - /// This method computes the smallest integral value not less than x. - ACE_NAMESPACE_INLINE_FUNCTION - double ceil (double x); - - /// This method computes the base-2 logarithm of x. - ACE_NAMESPACE_INLINE_FUNCTION - double log2 (double x); - -} /* namespace ACE_OS */ - -ACE_END_VERSIONED_NAMESPACE_DECL - -# if defined (ACE_HAS_INLINED_OSCALLS) -# if defined (ACE_INLINE) -# undef ACE_INLINE -# endif /* ACE_INLINE */ -# define ACE_INLINE inline -# include "ace/OS_NS_math.inl" -# endif /* ACE_HAS_INLINED_OSCALLS */ - -# include /**/ "ace/post.h" -#endif /* ACE_OS_NS_MATH_H */ |