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Import r67258 of the wxWidgets trunk, which I expect will before
long become wxWidgets 2.9.2, which in turn is expected to be the last 2.9 release before the 3.0 stable release. Since the full wxWidgets distribution is rather large, I have imported only the parts that we use, on a subdirectory basis: art include/wx/*.* include/wx/aui include/wx/cocoa include/wx/generic include/wx/gtk include/wx/meta include/wx/msw include/wx/osx include/wx/persist include/wx/private include/wx/protocol include/wx/unix src/aui src/common src/generic src/gtk src/msw src/osx src/unix git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@7380 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Soren Jorvang
155
Externals/wxWidgets3/include/wx/math.h
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155
Externals/wxWidgets3/include/wx/math.h
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/**
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* Name: wx/math.h
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* Purpose: Declarations/definitions of common math functions
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* Author: John Labenski and others
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* Modified by:
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* Created: 02/02/03
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* RCS-ID: $Id: math.h 63194 2010-01-19 22:02:59Z VS $
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* Copyright: (c) John Labenski
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* Licence: wxWindows licence
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*/
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/* THIS IS A C FILE, DON'T USE C++ FEATURES (IN PARTICULAR COMMENTS) IN IT */
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#ifndef _WX_MATH_H_
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#define _WX_MATH_H_
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#include "wx/defs.h"
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#include <math.h>
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#ifndef M_PI
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#define M_PI 3.1415926535897932384626433832795
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#endif
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/* Scaling factors for various unit conversions: 1 inch = 2.54 cm */
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#ifndef METRIC_CONVERSION_CONSTANT
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#define METRIC_CONVERSION_CONSTANT (1/25.4)
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#endif
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#ifndef mm2inches
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#define mm2inches (METRIC_CONVERSION_CONSTANT)
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#endif
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#ifndef inches2mm
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#define inches2mm (1/(mm2inches))
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#endif
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#ifndef mm2twips
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#define mm2twips (METRIC_CONVERSION_CONSTANT*1440)
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#endif
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#ifndef twips2mm
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#define twips2mm (1/(mm2twips))
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#endif
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#ifndef mm2pt
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#define mm2pt (METRIC_CONVERSION_CONSTANT*72)
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#endif
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#ifndef pt2mm
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#define pt2mm (1/(mm2pt))
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#endif
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/* unknown __VISAGECC__, __SYMANTECCC__ */
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#if defined(__VISUALC__) || defined(__BORLANDC__) || defined(__WATCOMC__)
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#include <float.h>
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#define wxFinite(x) _finite(x)
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#elif defined(__MINGW64__)
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// add more compilers with C99 support here: using C99 isfinite() is
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// preferable to using BSD-ish finite()
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#define wxFinite(x) isfinite(x)
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#elif ( defined(__GNUG__)||defined(__GNUWIN32__)||defined(__DJGPP__)|| \
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defined(__SGI_CC__)||defined(__SUNCC__)||defined(__XLC__)|| \
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defined(__HPUX__)||defined(__MWERKS__) ) && ( !defined(wxOSX_USE_IPHONE) || wxOSX_USE_IPHONE == 0 )
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#ifdef __SOLARIS__
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#include <ieeefp.h>
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#endif
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#define wxFinite(x) finite(x)
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#else
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#define wxFinite(x) ((x) == (x))
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#endif
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#if defined(__VISUALC__)||defined(__BORLAND__)
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#define wxIsNaN(x) _isnan(x)
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#elif defined(__GNUG__)||defined(__GNUWIN32__)||defined(__DJGPP__)|| \
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defined(__SGI_CC__)||defined(__SUNCC__)||defined(__XLC__)|| \
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defined(__HPUX__)||defined(__MWERKS__)
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#define wxIsNaN(x) isnan(x)
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#else
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#define wxIsNaN(x) ((x) != (x))
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#endif
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#ifdef __cplusplus
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#ifdef __INTELC__
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inline bool wxIsSameDouble(double x, double y)
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{
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// VZ: this warning, given for operators==() and !=() is not wrong, as ==
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// shouldn't be used with doubles, but we get too many of them and
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// removing these operators is probably not a good idea
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//
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// Maybe we should always compare doubles up to some "epsilon" precision
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#pragma warning(push)
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// floating-point equality and inequality comparisons are unreliable
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#pragma warning(disable: 1572)
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return x == y;
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#pragma warning(pop)
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}
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#else /* !__INTELC__ */
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inline bool wxIsSameDouble(double x, double y) { return x == y; }
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#endif /* __INTELC__/!__INTELC__ */
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inline bool wxIsNullDouble(double x) { return wxIsSameDouble(x, 0.); }
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inline int wxRound(double x)
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{
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wxASSERT_MSG( x > INT_MIN - 0.5 && x < INT_MAX + 0.5,
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wxT("argument out of supported range") );
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#if defined(HAVE_ROUND)
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return int(round(x));
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#else
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return (int)(x < 0 ? x - 0.5 : x + 0.5);
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#endif
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}
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#endif /* __cplusplus */
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#if defined(__WXMSW__) && !defined(__WXWINCE__)
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#define wxMulDivInt32( a , b , c ) ::MulDiv( a , b , c )
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#else
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#define wxMulDivInt32( a , b , c ) (wxRound((a)*(((wxDouble)b)/((wxDouble)c))))
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#endif
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#if wxUSE_APPLE_IEEE
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* functions from common/extended.c */
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WXDLLIMPEXP_BASE wxFloat64 wxConvertFromIeeeExtended(const wxInt8 *bytes);
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WXDLLIMPEXP_BASE void wxConvertToIeeeExtended(wxFloat64 num, wxInt8 *bytes);
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/* use wxConvertFromIeeeExtended() and wxConvertToIeeeExtended() instead */
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#if WXWIN_COMPATIBILITY_2_8
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wxDEPRECATED( WXDLLIMPEXP_BASE wxFloat64 ConvertFromIeeeExtended(const wxInt8 *bytes) );
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wxDEPRECATED( WXDLLIMPEXP_BASE void ConvertToIeeeExtended(wxFloat64 num, wxInt8 *bytes) );
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#endif // WXWIN_COMPATIBILITY_2_8
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#ifdef __cplusplus
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}
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#endif
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#endif /* wxUSE_APPLE_IEEE */
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#endif /* _WX_MATH_H_ */
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