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56 lines
1.7 KiB
C++
56 lines
1.7 KiB
C++
// Created on: 1991-03-06
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// Created by: Arnaud BOUZY
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// Copyright (c) 1991-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <Expr_GeneralExpression.hxx>
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#include <Expr_InvalidOperand.hxx>
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#include <Expr_NamedUnknown.hxx>
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#include <Expr_NotEvaluable.hxx>
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#include <Standard_NumericError.hxx>
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#include <Standard_OutOfRange.hxx>
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#include <Standard_Type.hxx>
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#include <TCollection_AsciiString.hxx>
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IMPLEMENT_STANDARD_RTTIEXT(Expr_GeneralExpression,MMgt_TShared)
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Standard_Boolean Expr_GeneralExpression::IsShareable() const
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{
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return Standard_False;
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}
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Handle(Expr_GeneralExpression) Expr_GeneralExpression::NDerivative (const Handle(Expr_NamedUnknown)& X, const Standard_Integer N) const
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{
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if (N <= 0) {
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Standard_OutOfRange::Raise();
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}
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Handle(Expr_GeneralExpression) first = Derivative(X);
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if (N > 1) {
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return first->NDerivative(X,N-1);
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}
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return first;
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}
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Standard_Real Expr_GeneralExpression::EvaluateNumeric() const
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{
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if (ContainsUnknowns()) {
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Expr_NotEvaluable::Raise();
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}
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Expr_Array1OfNamedUnknown tabvr(1,1);
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TColStd_Array1OfReal tabvl(1,1);
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return Evaluate(tabvr,tabvl);
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}
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