/usr/include/opencascade/math_SingleTab.gxx is in libopencascade-foundation-dev 6.5.0.dfsg-2build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#include <math_Memory.hxx>
#include <Standard_OutOfRange.hxx>
#include <Standard_Failure.hxx>
math_SingleTab::math_SingleTab(const Standard_Integer LowerIndex,
const Standard_Integer UpperIndex) :
isAllocated(Standard_True),
First(LowerIndex), Last(UpperIndex)
{
Item* TheAddr = (Item*) Standard::Allocate((Last-First+1) * sizeof(Item));
Addr = (Standard_Address) (TheAddr - First);
//cout << " Vector allocation = " << Addr << endl;
}
math_SingleTab::math_SingleTab(const Item& Tab,
const Standard_Integer LowerIndex,
const Standard_Integer UpperIndex) :
Addr((void*)(&Tab - LowerIndex)),
isAllocated(Standard_False),
First(LowerIndex), Last(UpperIndex)
{
//cout << " Vector allocation = " << Addr << endl;
}
void math_SingleTab::Init(const Item& InitValue)
{
for (Standard_Integer i=First; i<= Last; i++) {
((Item*)Addr)[i] = InitValue;
}
}
math_SingleTab::math_SingleTab(const math_SingleTab& Other) :
isAllocated(Standard_True),
First(Other.First),
Last(Other.Last)
{
Item* TheAddr = (Item*) Standard::Allocate((Last-First+1) * sizeof(Item));
Addr = (Standard_Address) (TheAddr - First);
//cout << " Vector allocation = " << Addr << endl;
Item* TheOtherAddr = (Item*) Other.Addr;
memmove((void*) TheAddr, (const void*) (TheOtherAddr + First),
(size_t)(Last - First + 1) * sizeof(Item));
}
void math_SingleTab::Free()
{
//cout << " Vector deallocation = " << Addr << endl;
if(isAllocated) {
Standard_Address it = (Standard_Address)&((Item*)Addr)[First];
Standard::Free(it);
Addr = 0;
}
}
void math_SingleTab::SetLower(const Standard_Integer LowerIndex)
{
Item* TheAddr = (Item*) Addr;
Addr = (Standard_Address) (TheAddr + First - LowerIndex);
Last = Last - First + LowerIndex;
First = LowerIndex;
}
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