0024180: Eliminate CLang / GCC compiler warning -Wswitch

[occt.git] / src / math / math_DoubleTab.gxx

// Copyright (c) 1997-1999 Matra Datavision
// Copyright (c) 1999-2012 OPEN CASCADE SAS
//
// The content of this file is subject to the Open CASCADE Technology Public
// License Version 6.5 (the "License"). You may not use the content of this file
// except in compliance with the License. Please obtain a copy of the License
// at http://www.opencascade.org and read it completely before using this file.
//
// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
//
// The Original Code and all software distributed under the License is
// distributed on an "AS IS" basis, without warranty of any kind, and the
// Initial Developer hereby disclaims all such warranties, including without
// limitation, any warranties of merchantability, fitness for a particular
// purpose or non-infringement. Please see the License for the specific terms
// and conditions governing the rights and limitations under the License.

// Lpa, le 7/02/92


#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;

  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;
}