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42cf5bc1ca
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl": - WOK-generated header files from inc and sources from drv are moved to src - CDL files removed - All packages are converted to nocdlpack
61 lines
2.0 KiB
C++
61 lines
2.0 KiB
C++
// Created on: 1998-09-22
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// Created by: Philippe MANGIN
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// Copyright (c) 1998-1999 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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#include <GeomLib_PolyFunc.hxx>
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#include <math_Vector.hxx>
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#include <PLib.hxx>
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GeomLib_PolyFunc::GeomLib_PolyFunc(const math_Vector& Coeffs)
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:myCoeffs(1, Coeffs.Length()-1)
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{ // On construit le polynome derive
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for (Standard_Integer ii=1; ii<=myCoeffs.Length(); ii++)
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myCoeffs(ii) = ii*Coeffs(ii+1);
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}
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Standard_Boolean GeomLib_PolyFunc::Value(const Standard_Real X,
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Standard_Real& F)
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{
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Standard_Real * coeff = &myCoeffs(1);
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Standard_Real * ff = &F;
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PLib::EvalPolynomial(X, 0, myCoeffs.Length()-1, 1, coeff[0], ff[0]);
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return Standard_True;
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}
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Standard_Boolean GeomLib_PolyFunc::Derivative(const Standard_Real X,
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Standard_Real& D)
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{
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Standard_Real * coeff = &myCoeffs(1);
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math_Vector Aux(1, 2);
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Standard_Real * ff = &Aux(1);
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PLib::EvalPolynomial(X, 1, myCoeffs.Length()-1, 1, coeff[0], ff[0]);
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D = Aux(2);
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return Standard_True;
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}
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Standard_Boolean GeomLib_PolyFunc::Values(const Standard_Real X,
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Standard_Real& F,
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Standard_Real& D)
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{
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Standard_Real * coeff = &myCoeffs(1);
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math_Vector Aux(1, 2);
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Standard_Real * ff = &Aux(1);
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PLib::EvalPolynomial(X, 1, myCoeffs.Length()-1, 1, coeff[0], ff[0]);
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F = Aux(1);
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D = Aux(2);
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return Standard_True;
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}
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