Files
OCCT/src/Expr/Expr_GeneralExpression.cxx
bugmster 973c2be1e1 0024428: Implementation of LGPL license
The copying permission statements at the beginning of source files updated to refer to LGPL.
Copyright dates extended till 2014 in advance.
2013-12-17 12:42:41 +04:00

48 lines
1.5 KiB
C++

// Created on: 1991-03-06
// Created by: Arnaud BOUZY
// Copyright (c) 1991-1999 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 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 <Expr_GeneralExpression.ixx>
#include <Expr_NotEvaluable.hxx>
#include <Standard_OutOfRange.hxx>
Standard_Boolean Expr_GeneralExpression::IsShareable() const
{
return Standard_False;
}
Handle(Expr_GeneralExpression) Expr_GeneralExpression::NDerivative (const Handle(Expr_NamedUnknown)& X, const Standard_Integer N) const
{
if (N <= 0) {
Standard_OutOfRange::Raise();
}
Handle(Expr_GeneralExpression) first = Derivative(X);
if (N > 1) {
return first->NDerivative(X,N-1);
}
return first;
}
Standard_Real Expr_GeneralExpression::EvaluateNumeric() const
{
if (ContainsUnknowns()) {
Expr_NotEvaluable::Raise();
}
Expr_Array1OfNamedUnknown tabvr(1,1);
TColStd_Array1OfReal tabvl(1,1);
return Evaluate(tabvr,tabvl);
}