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occt/src/CPnts/CPnts_MyRootFunction.cxx
abv 42cf5bc1ca 0024002: Overall code and build procedure refactoring -- automatic
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
2015-07-12 07:42:38 +03:00

85 lines
2.3 KiB
C++

// Copyright (c) 1995-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#include <CPnts_MyRootFunction.hxx>
#include <math_GaussSingleIntegration.hxx>
#include <Standard_DomainError.hxx>
void CPnts_MyRootFunction::Init(const CPnts_RealFunction& F,
const Standard_Address D,
const Standard_Integer Order)
{
myFunction.Init(F,D);
myOrder = Order;
}
void CPnts_MyRootFunction::Init(const Standard_Real X0,
const Standard_Real L)
{
myX0 = X0;
myL = L;
myTol = -1; //to supress the tolerance
}
void CPnts_MyRootFunction::Init(const Standard_Real X0,
const Standard_Real L,
const Standard_Real Tol)
{
myX0 = X0;
myL = L;
myTol = Tol;
}
Standard_Boolean CPnts_MyRootFunction::Value(const Standard_Real X,
Standard_Real& F)
{
math_GaussSingleIntegration Length;
if (myTol <= 0) Length = math_GaussSingleIntegration(myFunction, myX0, X, myOrder);
else Length = math_GaussSingleIntegration(myFunction, myX0, X, myOrder, myTol);
if (Length.IsDone()){
F= Length.Value() - myL;
return Standard_True;
}
else {
return Standard_False;
}
}
Standard_Boolean CPnts_MyRootFunction::Derivative(const Standard_Real X,
Standard_Real& Df)
{
return myFunction.Value(X,Df);
}
Standard_Boolean CPnts_MyRootFunction::Values(const Standard_Real X,
Standard_Real& F,
Standard_Real& Df)
{
math_GaussSingleIntegration Length;
if (myTol <= 0) Length = math_GaussSingleIntegration(myFunction, myX0, X, myOrder);
else Length = math_GaussSingleIntegration(myFunction, myX0, X, myOrder, myTol);
if (Length.IsDone()){
F= Length.Value() - myL;
return myFunction.Value(X,Df);
}
else {
return Standard_False;
}
}