/usr/include/wx-2.8/wx/math.h is in wx2.8-headers 2.8.12.1-6ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 | /**
* Name: wx/math.h
* Purpose: Declarations/definitions of common math functions
* Author: John Labenski and others
* Modified by:
* Created: 02/02/03
* RCS-ID: $Id: math.h 62541 2009-11-03 14:10:46Z VZ $
* Copyright: (c) John Labenski
* Licence: wxWindows licence
*/
/* THIS IS A C FILE, DON'T USE C++ FEATURES (IN PARTICULAR COMMENTS) IN IT */
#ifndef _WX_MATH_H_
#define _WX_MATH_H_
#include "wx/defs.h"
#include <math.h>
#ifndef M_PI
#define M_PI 3.1415926535897932384626433832795
#endif
/* Scaling factors for various unit conversions */
#ifndef METRIC_CONVERSION_CONSTANT
#define METRIC_CONVERSION_CONSTANT 0.0393700787
#endif
#ifndef mm2inches
#define mm2inches (METRIC_CONVERSION_CONSTANT)
#endif
#ifndef inches2mm
#define inches2mm (1/(mm2inches))
#endif
#ifndef mm2twips
#define mm2twips (METRIC_CONVERSION_CONSTANT*1440)
#endif
#ifndef twips2mm
#define twips2mm (1/(mm2twips))
#endif
#ifndef mm2pt
#define mm2pt (METRIC_CONVERSION_CONSTANT*72)
#endif
#ifndef pt2mm
#define pt2mm (1/(mm2pt))
#endif
/* unknown __VISAGECC__, __SYMANTECCC__ */
#if defined(__VISUALC__) || defined(__BORLANDC__) || defined(__WATCOMC__)
#include <float.h>
#define wxFinite(x) _finite(x)
#elif defined(__GNUG__)||defined(__GNUWIN32__)||defined(__DJGPP__)|| \
defined(__SGI_CC__)||defined(__SUNCC__)||defined(__XLC__)|| \
defined(__HPUX__)||defined(__MWERKS__)
#define wxFinite(x) finite(x)
#else
#define wxFinite(x) ((x) == (x))
#endif
#if defined(__VISUALC__)||defined(__BORLAND__)
#define wxIsNaN(x) _isnan(x)
#elif defined(__GNUG__)||defined(__GNUWIN32__)||defined(__DJGPP__)|| \
defined(__SGI_CC__)||defined(__SUNCC__)||defined(__XLC__)|| \
defined(__HPUX__)||defined(__MWERKS__)
#define wxIsNaN(x) isnan(x)
#else
#define wxIsNaN(x) ((x) != (x))
#endif
#ifdef __cplusplus
#ifdef __INTELC__
inline bool wxIsSameDouble(double x, double y)
{
// VZ: this warning, given for operators==() and !=() is not wrong, as ==
// shouldn't be used with doubles, but we get too many of them and
// removing these operators is probably not a good idea
//
// Maybe we should alway compare doubles up to some "epsilon" precision
#pragma warning(push)
// floating-point equality and inequality comparisons are unreliable
#pragma warning(disable: 1572)
return x == y;
#pragma warning(pop)
}
#else /* !__INTELC__ */
inline bool wxIsSameDouble(double x, double y) { return x == y; }
#endif /* __INTELC__/!__INTELC__ */
inline bool wxIsNullDouble(double x) { return wxIsSameDouble(x, 0.); }
inline int wxRound(double x)
{
#if defined(HAVE_ROUND)
return int(round(x));
#else
return (int)(x < 0 ? x - 0.5 : x + 0.5);
#endif
}
#endif /* __cplusplus */
#if defined(__WXMSW__) && !defined(__WXWINCE__)
#define wxMulDivInt32( a , b , c ) ::MulDiv( a , b , c )
#elif defined( __WXMAC__ )
#define wxMulDivInt32( a , b , c ) ( (wxInt32) ( ( (wxInt64)(a) * (wxInt64)(b) ) / (wxInt64)(c) ) )
#else
#define wxMulDivInt32( a , b , c ) ((wxInt32)((a)*(((wxDouble)b)/((wxDouble)c))))
#endif
#if wxUSE_APPLE_IEEE
#ifdef __cplusplus
extern "C" {
#endif
/* functions from common/extended.c */
WXDLLEXPORT wxFloat64 ConvertFromIeeeExtended(const wxInt8 *bytes);
WXDLLEXPORT void ConvertToIeeeExtended(wxFloat64 num, wxInt8 *bytes);
#ifdef __cplusplus
}
#endif
#endif /* wxUSE_APPLE_IEEE */
#endif /* _WX_MATH_H_ */
|