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https://git.dev.opencascade.org/repos/occt.git
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b9280b8b27
Removed unused exception classes OSD_Exception_FLT_DIVIDE_BY_ZERO, OSD_Exception_INT_DIVIDE_BY_ZERO, OSD_Exception_FLT_DENORMAL_OPERAND, OSD_Exception_FLT_INEXACT_RESULT, OSD_Exception_FLT_INVALID_OPERATION, OSD_Exception_FLT_OVERFLOW, OSD_Exception_FLT_STACK_CHECK, OSD_Exception_FLT_UNDERFLOW.
102 lines
2.8 KiB
C++
102 lines
2.8 KiB
C++
// Created on: 1992-02-11
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// Created by: Laurent BUCHARD
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// Copyright (c) 1992-1999 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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#ifndef _IntAna2d_Conic_HeaderFile
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#define _IntAna2d_Conic_HeaderFile
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#include <Standard.hxx>
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#include <Standard_DefineAlloc.hxx>
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class gp_Circ2d;
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class gp_Lin2d;
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class gp_Parab2d;
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class gp_Hypr2d;
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class gp_Elips2d;
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class gp_XY;
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class gp_Ax2d;
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//! Definition of a conic by its implicit quadaratic equation:
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//! A.X**2 + B.Y**2 + 2.C.X*Y + 2.D.X + 2.E.Y + F = 0.
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class IntAna2d_Conic
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{
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public:
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DEFINE_STANDARD_ALLOC
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Standard_EXPORT IntAna2d_Conic(const gp_Circ2d& C);
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Standard_EXPORT IntAna2d_Conic(const gp_Lin2d& C);
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Standard_EXPORT IntAna2d_Conic(const gp_Parab2d& C);
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Standard_EXPORT IntAna2d_Conic(const gp_Hypr2d& C);
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Standard_EXPORT IntAna2d_Conic(const gp_Elips2d& C);
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//! value of the function F at the point X,Y.
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Standard_EXPORT Standard_Real Value (const Standard_Real X, const Standard_Real Y) const;
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//! returns the value of the gradient of F at the point X,Y.
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Standard_EXPORT gp_XY Grad (const Standard_Real X, const Standard_Real Y) const;
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//! Returns the value of the function and its gradient at
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//! the point X,Y.
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Standard_EXPORT void ValAndGrad (const Standard_Real X, const Standard_Real Y, Standard_Real& Val, gp_XY& Grd) const;
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//! returns the coefficients of the polynomial equation
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//! which defines the conic:
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//! A.X**2 + B.Y**2 + 2.C.X*Y + 2.D.X + 2.E.Y + F = 0.
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Standard_EXPORT void Coefficients (Standard_Real& A, Standard_Real& B, Standard_Real& C, Standard_Real& D, Standard_Real& E, Standard_Real& F) const;
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//! Returns the coefficients of the polynomial equation
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//! ( written in the natural coordinates system )
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//! A x x + B y y + 2 C x y + 2 D x + 2 E y + F
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//! in the local coordinates system defined by Axis
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Standard_EXPORT void NewCoefficients (Standard_Real& A, Standard_Real& B, Standard_Real& C, Standard_Real& D, Standard_Real& E, Standard_Real& F, const gp_Ax2d& Axis) const;
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protected:
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private:
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Standard_Real a;
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Standard_Real b;
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Standard_Real c;
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Standard_Real d;
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Standard_Real e;
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Standard_Real f;
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};
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#endif // _IntAna2d_Conic_HeaderFile
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