mirror of
https://git.dev.opencascade.org/repos/occt.git
synced 2025-05-01 10:26:12 +03:00
91 lines
2.9 KiB
C++
Executable File
91 lines
2.9 KiB
C++
Executable File
// Created on: 1996-08-23
|
|
// Created by: Benoit TANNIOU
|
|
// Copyright (c) 1996-1999 Matra Datavision
|
|
// Copyright (c) 1999-2012 OPEN CASCADE SAS
|
|
//
|
|
// The content of this file is subject to the Open CASCADE Technology Public
|
|
// License Version 6.5 (the "License"). You may not use the content of this file
|
|
// except in compliance with the License. Please obtain a copy of the License
|
|
// at http://www.opencascade.org and read it completely before using this file.
|
|
//
|
|
// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
|
|
// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
|
|
//
|
|
// The Original Code and all software distributed under the License is
|
|
// distributed on an "AS IS" basis, without warranty of any kind, and the
|
|
// Initial Developer hereby disclaims all such warranties, including without
|
|
// limitation, any warranties of merchantability, fitness for a particular
|
|
// purpose or non-infringement. Please see the License for the specific terms
|
|
// and conditions governing the rights and limitations under the License.
|
|
|
|
|
|
|
|
#include <CSLib_NormalPolyDef.ixx>
|
|
#include <PLib.hxx>
|
|
|
|
//=============================================================================
|
|
CSLib_NormalPolyDef::CSLib_NormalPolyDef(const Standard_Integer k0,
|
|
const TColStd_Array1OfReal& li)
|
|
//=============================================================================
|
|
:myTABli(0,k0)
|
|
{
|
|
myK0=k0;
|
|
for(Standard_Integer i=0;i<=k0;i++)
|
|
myTABli(i)=li(i);
|
|
}
|
|
|
|
//=============================================================================
|
|
Standard_Boolean CSLib_NormalPolyDef::Value(const Standard_Real X,
|
|
Standard_Real& F)
|
|
//=============================================================================
|
|
{
|
|
F=0.0;
|
|
Standard_Real co,si;
|
|
co=cos(X);
|
|
si=sin(X);
|
|
|
|
for(Standard_Integer i=0;i<=myK0;i++){
|
|
F=F+PLib::Bin(myK0,i)*pow(co,i)*pow(si,(myK0-i))*myTABli(i);
|
|
}
|
|
return Standard_True;
|
|
}
|
|
|
|
//=============================================================================
|
|
Standard_Boolean CSLib_NormalPolyDef::Derivative(const Standard_Real X,
|
|
Standard_Real& D)
|
|
//=============================================================================
|
|
{
|
|
D=0.0;
|
|
Standard_Real co,si;
|
|
co=cos(X);
|
|
si=sin(X);
|
|
for(Standard_Integer i=0;i<=myK0;i++){
|
|
D=D+PLib::Bin(myK0,i)*pow(co,(i-1))*pow(si,(myK0-i-1))*(myK0*co*co-i);
|
|
}
|
|
return Standard_True;
|
|
}
|
|
|
|
//=============================================================================
|
|
Standard_Boolean CSLib_NormalPolyDef::Values(const Standard_Real X,
|
|
Standard_Real& F,
|
|
Standard_Real& D)
|
|
//=============================================================================
|
|
{
|
|
F=0;
|
|
D=0;
|
|
Standard_Real co,si;
|
|
co=cos(X);
|
|
si=sin(X);
|
|
for(Standard_Integer i=0;i<=myK0;i++){
|
|
F=F+PLib::Bin(myK0,i)*pow(co,i)*pow(si,(myK0-i))*myTABli(i);
|
|
D=D+PLib::Bin(myK0,i)*pow(co,(i-1))*
|
|
pow(si,(myK0-i-1))*(myK0*co*co-i)*myTABli(i);
|
|
}
|
|
return Standard_True;
|
|
}
|
|
|
|
|
|
|
|
|
|
|