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occt/src/math/math_DoubleTab.cxx
abv d5f74e42d6 0024624: Lost word in license statement in source files
License statement text corrected; compiler warnings caused by Bison 2.41 disabled for MSVC; a few other compiler warnings on 54-bit Windows eliminated by appropriate type cast
Wrong license statements corrected in several files.
Copyright and license statements added in XSD and GLSL files.
Copyright year updated in some files.
Obsolete documentation files removed from DrawResources.
2014-02-20 16:15:17 +04:00

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4.1 KiB
C++

// 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 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.
// Lpa, le 7/02/92
#include <math_DoubleTab.ixx>
#include <math_Memory.hxx>
#include <Standard_OutOfRange.hxx>
#include <Standard_Failure.hxx>
#include <Standard_Integer.hxx>
// 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;
Standard_Real** TheAddr = !isAddrAllocated? (Standard_Real**)&AddrBuf :
(Standard_Real**) Standard::Allocate(RowNumber * sizeof(Standard_Real*));
Standard_Real* Address;
if(isAllocated)
Address = (Standard_Real*) Standard::Allocate(RowNumber * ColNumber * sizeof(Standard_Real));
else
Address = (Standard_Real*) 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 Standard_Address Tab,
const Standard_Integer LowerRow,
const Standard_Integer UpperRow,
const Standard_Integer LowerCol,
const Standard_Integer UpperCol) :
Addr(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 Standard_Real InitValue)
{
for (Standard_Integer i = LowR; i <= UppR; i++) {
for (Standard_Integer j = LowC; j <= UppC; j++) {
((Standard_Real**) 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(Standard_Real)));
}
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)(((Standard_Real**)Addr) + LowR);
Standard::Free (it);
}
Addr = 0;
}
void math_DoubleTab::SetLowerRow(const Standard_Integer LowerRow)
{
Standard_Real** TheAddr = (Standard_Real**)Addr;
Addr = (Standard_Address) (TheAddr + LowR - LowerRow);
UppR = UppR - LowR + LowerRow;
LowR = LowerRow;
}
void math_DoubleTab::SetLowerCol(const Standard_Integer LowerCol)
{
Standard_Real** TheAddr = (Standard_Real**) Addr;
for (Standard_Integer Index = LowR; Index <= UppR; Index++) {
TheAddr[Index] = TheAddr[Index] + LowC - LowerCol;
}
UppC = UppC - LowC + LowerCol;
LowC = LowerCol;
}