/usr/include/oce/Standard_ShortReal.hxx is in liboce-foundation-dev 0.18.2-2build1.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 | // Copyright (c) 1998-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#ifndef _Standard_ShortReal_HeaderFile
#define _Standard_ShortReal_HeaderFile
#include <float.h>
#include <math.h>
#include <Standard_values.h>
#include <Standard_TypeDef.hxx>
class Handle_Standard_Type;
// *********************************** //
// Class methods //
// //
// Machine-dependant values //
// Should be taken from include file //
// *********************************** //
//-------------------------------------------------------------------
// ShortRealSmall : Returns the smallest positive ShortReal
//-------------------------------------------------------------------
inline Standard_ShortReal ShortRealSmall()
{ return FLT_MIN; }
//-------------------------------------------------------------------
// Abs : Returns the absolute value of a ShortReal
//-------------------------------------------------------------------
inline Standard_ShortReal Abs(const Standard_ShortReal Value)
#if defined (__alpha) || defined(DECOSF1)
{ return fabsf(Value); }
#else
{ return float( fabs (Value) ) ; }
#endif
//-------------------------------------------------------------------
// ShortRealDigit : Returns the number of digits of precision in a ShortReal
//-------------------------------------------------------------------
inline Standard_Integer ShortRealDigits()
{ return FLT_DIG; }
//-------------------------------------------------------------------
// ShortRealEpsilon : Returns the minimum positive ShortReal such that
// 1.0 + x is not equal to 1.0
//-------------------------------------------------------------------
inline Standard_ShortReal ShortRealEpsilon()
{ return FLT_EPSILON; }
//-------------------------------------------------------------------
// ShortRealFirst : Returns the minimum negative value of a ShortReal
//-------------------------------------------------------------------
inline Standard_ShortReal ShortRealFirst()
{ Standard_ShortReal MaxFloatTmp = -FLT_MAX;
return MaxFloatTmp; }
//-------------------------------------------------------------------
// ShortRealFirst10Exp : Returns the minimum value of exponent(base 10) of
// a ShortReal.
//-------------------------------------------------------------------
inline Standard_Integer ShortRealFirst10Exp()
{ return FLT_MIN_10_EXP; }
//-------------------------------------------------------------------
// ShortRealLast : Returns the maximum value of a ShortReal
//-------------------------------------------------------------------
inline Standard_ShortReal ShortRealLast()
{ return FLT_MAX; }
//-------------------------------------------------------------------
// ShortRealLast10Exp : Returns the maximum value of exponent(base 10) of
// a ShortReal.
//-------------------------------------------------------------------
inline Standard_Integer ShortRealLast10Exp()
{ return FLT_MAX_10_EXP; }
//-------------------------------------------------------------------
// ShortRealMantissa : Returns the size in bits of the matissa part of a
// ShortReal.
//-------------------------------------------------------------------
inline Standard_Integer ShortRealMantissa()
{ return FLT_MANT_DIG; }
//-------------------------------------------------------------------
// ShortRealRadix : Returns the radix of exponent representation
//-------------------------------------------------------------------
inline Standard_Integer ShortRealRadix()
{ return FLT_RADIX; }
//-------------------------------------------------------------------
// ShortRealSize : Returns the size in bits of an integer
//-------------------------------------------------------------------
inline Standard_Integer ShortRealSize()
{ return BITS(Standard_ShortReal); }
//-------------------------------------------------------------------
// Max : Returns the maximum value of two ShortReals
//-------------------------------------------------------------------
inline Standard_ShortReal Max (const Standard_ShortReal Val1,
const Standard_ShortReal Val2)
{
if (Val1 >= Val2) {
return Val1;
} else {
return Val2;
}
}
//-------------------------------------------------------------------
// Min : Returns the minimum value of two ShortReals
//-------------------------------------------------------------------
inline Standard_ShortReal Min (const Standard_ShortReal Val1,
const Standard_ShortReal Val2)
{
if (Val1 <= Val2) {
return Val1;
} else {
return Val2;
}
}
// ===============================================
// Methods from Standard_Entity class which are redefined:
// - Hascode
// - IsEqual
// - IsSimilar
// ===============================================
// ==================================
// Methods implemeted in Standard_ShortReal.cxx
// ==================================
//.... Herited from Standard_Storable
__Standard_API Standard_Integer HashCode (const Standard_ShortReal, const Standard_Integer);
//-------------------------------------------------------------------
// IsEqual : Returns Standard_True if two ShortReals are equal
//-------------------------------------------------------------------
inline Standard_Boolean IsEqual (const Standard_ShortReal Value1,
const Standard_ShortReal Value2)
{ return Abs((Value1 - Value2)) < ShortRealSmall(); }
//-------------------------------------------------------------------
// IsSimilar : Returns Standard_True if two ShortReals are equal
//-------------------------------------------------------------------
inline Standard_Boolean IsSimilar(const Standard_ShortReal One,
const Standard_ShortReal Two)
{ return IsEqual (One,Two); }
#endif
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