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0e14656b30
Dereferenced null pointers was eliminated for PLib, BSplCLib and BSplSLib. All affected code was changed accordingly.
93 lines
2.7 KiB
C++
93 lines
2.7 KiB
C++
// Created on: 1995-10-27
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// Created by: Laurent BOURESCHE
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// Copyright (c) 1995-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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// pmn 16-10-96 : Correction de PolesCoefficient (PRO5782)
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// ColLength et RowLength avaient encore frappes !!
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#define No_Standard_RangeError
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#define No_Standard_OutOfRange
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#include <BSplSLib.hxx>
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#include <BSplCLib.hxx>
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#include <TColStd_Array1OfReal.hxx>
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//=======================================================================
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//function : PolesCoefficients
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//purpose :
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//=======================================================================
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void BSplSLib::PolesCoefficients (const TColgp_Array2OfPnt& Poles,
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const TColStd_Array2OfReal* Weights,
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TColgp_Array2OfPnt& CachePoles,
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TColStd_Array2OfReal* CacheWeights)
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{
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Standard_Integer i;
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Standard_Integer uclas = Poles.ColLength();
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Standard_Integer vclas = Poles.RowLength();
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TColStd_Array1OfReal biduflatknots(1,uclas << 1);
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TColStd_Array1OfReal bidvflatknots(1,vclas << 1);
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for(i = 1; i <= uclas; i++) {
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biduflatknots(i ) = 0.;
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biduflatknots(i + uclas) = 1.;
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}
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for(i = 1; i <= vclas; i++) {
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bidvflatknots(i ) = 0.;
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bidvflatknots(i + vclas) = 1.;
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}
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if ( uclas > vclas) {
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BSplSLib::BuildCache(0.,0.,
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1.,1.,0,0,
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uclas - 1,vclas - 1,0,0,
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biduflatknots,bidvflatknots,
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Poles,Weights,
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CachePoles,CacheWeights);
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}
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else {
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// BuilCache exige que les resultats soient formates en [MaxCoeff,MinCoeff]
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TColgp_Array2OfPnt CPoles (1,vclas, 1, uclas);
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TColStd_Array2OfReal CWeights(1,vclas, 1, uclas);
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Standard_Integer ii, jj;
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BSplSLib::BuildCache(0.,0.,
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1.,1.,0,0,
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uclas - 1,vclas - 1,0,0,
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biduflatknots,bidvflatknots,
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Poles,Weights,
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CPoles,&CWeights);
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if (Weights == NULL) {
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for (ii = 1; ii <= uclas; ii++) {
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for (jj = 1; jj <= vclas; jj++) {
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CachePoles(ii, jj) = CPoles(jj, ii);
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}
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}
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}
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else {
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for (ii = 1; ii <= uclas; ii++) {
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for (jj = 1; jj <= vclas; jj++) {
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CachePoles (ii, jj) = CPoles (jj, ii);
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(*CacheWeights)(ii, jj) = CWeights(jj, ii);
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}
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}
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}
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}
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}
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