/usr/include/oce/math_DoubleTab.gxx is in liboce-foundation-dev 0.15-4.
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 | // Copyright (c) 1997-1999 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 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.
// Lpa, le 7/02/92
#include <Standard_OutOfRange.hxx>
#include <Standard_Failure.hxx>
#include <Standard_Integer.hxx>
#include <cstring>
// macro to get size of C array
#define CARRAY_LENGTH(arr) (int)(sizeof(arr)/sizeof(arr[0]))
void math_DoubleTab::Allocate()
{
Standard_Integer RowNumber = UppR - LowR + 1;
Standard_Integer ColNumber = UppC - LowC + 1;
Item** TheAddr = !isAddrAllocated? (Item**)&AddrBuf :
(Item**) Standard::Allocate(RowNumber * sizeof(Item*));
Item* Address;
if(isAllocated)
Address = (Item*) Standard::Allocate(RowNumber * ColNumber * sizeof(Item));
else
Address = (Item*) Addr;
Address -= LowC;
for (Standard_Integer Index = 0; Index < RowNumber; Index++) {
TheAddr[Index] = Address;
Address += ColNumber;
}
TheAddr -= LowR;
Addr = (Standard_Address) TheAddr;
}
math_DoubleTab::math_DoubleTab(const Standard_Integer LowerRow,
const Standard_Integer UpperRow,
const Standard_Integer LowerCol,
const Standard_Integer UpperCol) :
Addr(Buf),
isAddrAllocated(UpperRow - LowerRow + 1 > CARRAY_LENGTH(AddrBuf)),
isAllocated((UpperRow - LowerRow + 1) * (UpperCol - LowerCol + 1) > CARRAY_LENGTH(Buf)),
LowR(LowerRow),
UppR(UpperRow),
LowC(LowerCol),
UppC(UpperCol)
{
Allocate();
}
math_DoubleTab::math_DoubleTab(const Item& Tab,
const Standard_Integer LowerRow,
const Standard_Integer UpperRow,
const Standard_Integer LowerCol,
const Standard_Integer UpperCol) :
Addr((void *) &Tab),
isAddrAllocated(UpperRow - LowerRow + 1 > CARRAY_LENGTH(AddrBuf)),
isAllocated(Standard_False),
LowR(LowerRow),
UppR(UpperRow),
LowC(LowerCol),
UppC(UpperCol)
{
Allocate();
}
void math_DoubleTab::Init(const Item& InitValue)
{
for (Standard_Integer i = LowR; i <= UppR; i++) {
for (Standard_Integer j = LowC; j <= UppC; j++) {
((Item**) Addr)[i][j] = InitValue;
}
}
}
math_DoubleTab::math_DoubleTab(const math_DoubleTab& Other) :
Addr(Buf),
isAddrAllocated(Other.UppR - Other.LowR + 1 > CARRAY_LENGTH(AddrBuf)),
isAllocated((Other.UppR - Other.LowR + 1) *
(Other.UppC - Other.LowC + 1) > CARRAY_LENGTH(Buf)),
LowR(Other.LowR),
UppR(Other.UppR),
LowC(Other.LowC),
UppC(Other.UppC)
{
Allocate();
Standard_Address target = (Standard_Address) &Value(LowR,LowC);
Standard_Address source = (Standard_Address) &Other.Value(LowR,LowC);
memmove(target,source,
(int)((UppR - LowR + 1) * (UppC - LowC + 1) * sizeof(Item)));
}
void math_DoubleTab::Free()
{
// free the data
if(isAllocated) {
Standard_Address it = (Standard_Address)&Value(LowR,LowC);
Standard::Free(it);
}
// free the pointers
if(isAddrAllocated) {
Standard_Address it = (Standard_Address)(((Item**)Addr) + LowR);
Standard::Free (it);
}
Addr = 0;
}
void math_DoubleTab::SetLowerRow(const Standard_Integer LowerRow)
{
Item** TheAddr = (Item**)Addr;
Addr = (Standard_Address) (TheAddr + LowR - LowerRow);
UppR = UppR - LowR + LowerRow;
LowR = LowerRow;
}
void math_DoubleTab::SetLowerCol(const Standard_Integer LowerCol)
{
Item** TheAddr = (Item**) Addr;
for (Standard_Integer Index = LowR; Index <= UppR; Index++) {
TheAddr[Index] = TheAddr[Index] + LowC - LowerCol;
}
UppC = UppC - LowC + LowerCol;
LowC = LowerCol;
}
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