Dario Sassi
94 lines
2.4 KiB
C++
94 lines
2.4 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/**
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\file
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\brief \ru Подключение математических функций в LINUX и WINDOWS, а также для компилятора Intel.
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\en Connection of mathematical functions in LINUX and WINDOWS, and for Intel compiler. \~
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*/
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////////////////////////////////////////////////////////////////////////////////
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#ifndef __MATHX_H
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#define __MATHX_H
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#include <math_cfg.h>
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#if !defined ( C3D_WINDOWS ) //_MSC_VER
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// Only for LINUX
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#if defined ( __INTEL_COMPILER )
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// Only INTEL COMPILER for LINUX
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#include <mathimf.h>
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#define _CMATH_
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#else // __INTEL_COMPILER
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// Other COMPILER for LINUX
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#include <math.h>
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#endif //__INTEL_COMPILER
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#include <stdint.h>
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#include <cstddef>
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#define _hypot hypot
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#ifndef __SIZEOF_WCHAR_T__
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#define __SIZEOF_WCHAR_T__ 4
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#endif
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#define DEPRECATE_DECLARE
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#else // C3D_WINDOWS
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// Only for WINDOWS
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#ifndef __SIZEOF_WCHAR_T__
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#define __SIZEOF_WCHAR_T__ 2
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#endif
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#if defined ( __INTEL_COMPILER )
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// Only INTEL COMPILER for WINDOWS
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#include <mathimf.h>
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#define _hypot hypot
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#define _CMATH_
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#else // __INTEL_COMPILER
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// Only MS COMPILER for WINDOWS
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#ifndef _USE_MATH_DEFINES
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#define _USE_MATH_DEFINES // \ru для подключения #define математических констант из math.h \en for connection #define of mathematical constants from math.h
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#endif
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#include <math.h>
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//-----------------------------------------------------------------------------
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namespace c3d {
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# define _HYPOT_EPSILON 1.0E-20
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template <class T>
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T _hypot(T x, T y)
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{
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// Normalize x and y, so that both are positive and x >= y:
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x = fabs(x);
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y = fabs(y);
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if ( y > x ) {
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if(y * _HYPOT_EPSILON >= x)
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return y;
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T rat = x / y;
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return y * sqrt(1 + rat*rat);
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}
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else {
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if(x * _HYPOT_EPSILON >= y)
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return x;
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T rat = y / x;
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return x * sqrt(1 + rat*rat);
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}
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} // template <class T> T _hypot(T x, T y)
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}
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//-----------------------------------------------------------------------------
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#define _hypot c3d::_hypot
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#endif //__INTEL_COMPILER
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#define DEPRECATE_DECLARE __declspec( deprecated( "This item is deprecated!" ) )
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#endif //C3D_WINDOWS
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#endif // __MATHX_H
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