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69 lines
2.5 KiB
Plaintext
Executable File
69 lines
2.5 KiB
Plaintext
Executable File
-- Created on: 1992-02-20
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-- Created by: Remy GILET
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-- Copyright (c) 1992-1999 Matra Datavision
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-- Copyright (c) 1999-2012 OPEN CASCADE SAS
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--
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-- The content of this file is subject to the Open CASCADE Technology Public
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-- License Version 6.5 (the "License"). You may not use the content of this file
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-- except in compliance with the License. Please obtain a copy of the License
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-- at http://www.opencascade.org and read it completely before using this file.
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--
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-- The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
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-- main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
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--
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-- The Original Code and all software distributed under the License is
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-- distributed on an "AS IS" basis, without warranty of any kind, and the
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-- Initial Developer hereby disclaims all such warranties, including without
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-- limitation, any warranties of merchantability, fitness for a particular
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-- purpose or non-infringement. Please see the License for the specific terms
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-- and conditions governing the rights and limitations under the License.
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generic class FunctionTanCuPnt from GccIter (
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TheCurve as any ;
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TheCurveTool as any )
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inherits FunctionWithDerivative from math
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---Purpose: This abstract class describes a Function of 1 Variable
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-- used to find a line tangent to a curve and passing
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-- through a point.
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uses Pnt2d from gp
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is
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Create (C : TheCurve ;
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Point : Pnt2d from gp ) returns FunctionTanCuPnt from GccIter;
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Value (me : in out ;
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X : Real ;
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F : out Real ) returns Boolean;
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---Purpose: Computes the value of the function F for the variable X.
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-- It returns True if the computation is successfully done,
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-- False otherwise.
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Derivative (me : in out ;
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X : Real ;
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Deriv : out Real ) returns Boolean;
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---Purpose: Computes the derivative of the function F for the variable X.
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-- It returns True if the computation is successfully done,
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-- False otherwise.
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Values (me : in out ;
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X : Real ;
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F : out Real ;
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Deriv : out Real ) returns Boolean;
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---Purpose: Computes the value and the derivative of the function F
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-- for the variable X.
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-- It returns True if the computation is successfully done,
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-- False otherwise.
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fields
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TheCurv : TheCurve;
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ThePoint : Pnt2d from gp;
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end FunctionTanCuPnt;
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