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53 lines
1.7 KiB
C++
Executable File
53 lines
1.7 KiB
C++
Executable File
// Created on: 1998-09-23
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// Created by: Philippe MANGIN
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// Copyright (c) 1998-1999 Matra Datavision
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// Copyright (c) 1999-2012 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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#include <GeomLib_LogSample.ixx>
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#include <Standard_OutOfRange.hxx>
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GeomLib_LogSample::GeomLib_LogSample(const Standard_Real A,
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const Standard_Real B,
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const Standard_Integer N)
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:math_FunctionSample(A, B, N)
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{
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myF = A - 1;
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myexp = Log(B-A)/N;
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}
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Standard_Real GeomLib_LogSample::GetParameter(const Standard_Integer Index) const
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{
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Standard_Integer n = NbPoints();
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if ((Index >= n) || (Index <= 1)) {
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Standard_Real a, b;
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Bounds(a, b);
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if (Index == 1) return a;
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else if (Index == n) return b;
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else Standard_OutOfRange::Raise("GeomLib_LogSample::GetParameter");
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}
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Standard_Real v = myF + Exp(myexp*Index);
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return v;
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}
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