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occt/src/Expr/Expr_NumericValue.cxx
2012-03-05 19:32:14 +04:00

107 lines
2.4 KiB
C++
Executable File

// Copyright: Matra-Datavision 1991
// File: Expr_NumericValue.cxx
// Created: Wed Mar 6 11:06:16 1991
// Author: Arnaud BOUZY
// <adn>
#include <Expr_NumericValue.ixx>
#include <Standard_OutOfRange.hxx>
//#if defined (WNT) || !defined (DEB)
# include <stdio.h>
//#endif // WNT || !DEB
Expr_NumericValue::Expr_NumericValue(const Standard_Real val)
{
myValue = val;
}
Standard_Real Expr_NumericValue::GetValue() const
{
return myValue;
}
void Expr_NumericValue::SetValue(const Standard_Real val)
{
myValue = val;
}
Standard_Integer Expr_NumericValue::NbSubExpressions() const
{
return 0;
}
const Handle(Expr_GeneralExpression)& Expr_NumericValue::SubExpression(const Standard_Integer) const
{
Standard_OutOfRange::Raise();
Handle(Expr_GeneralExpression)* bid=NULL;
return *bid;
}
Handle(Expr_GeneralExpression) Expr_NumericValue::Simplified() const
{
return Copy();
}
Handle(Expr_GeneralExpression) Expr_NumericValue::Copy() const
{
return new Expr_NumericValue(myValue);
}
Standard_Boolean Expr_NumericValue::ContainsUnknowns () const
{
return Standard_False;
}
Standard_Boolean Expr_NumericValue::Contains (const Handle(Expr_GeneralExpression)& ) const
{
return Standard_False;
}
Standard_Boolean Expr_NumericValue::IsIdentical (const Handle(Expr_GeneralExpression)& Other) const
{
if (!Other->IsKind(STANDARD_TYPE(Expr_NumericValue))) {
return Standard_False;
}
Handle(Expr_NumericValue) NVOther = Handle(Expr_NumericValue)::DownCast(Other);
return (myValue == NVOther->GetValue());
}
Standard_Boolean Expr_NumericValue::IsLinear () const
{
return Standard_True;
}
Handle(Expr_GeneralExpression) Expr_NumericValue::Derivative (const Handle(Expr_NamedUnknown)& ) const
{
return new Expr_NumericValue(0.0);
}
Handle(Expr_GeneralExpression) Expr_NumericValue::NDerivative (const Handle(Expr_NamedUnknown)& , const Standard_Integer) const
{
return new Expr_NumericValue(0.0);
}
void Expr_NumericValue::Replace (const Handle(Expr_NamedUnknown)& , const Handle(Expr_GeneralExpression)& )
{
}
Handle(Expr_GeneralExpression) Expr_NumericValue::ShallowSimplified () const
{
Handle(Expr_NumericValue) me = this;
return me;
}
Standard_Real Expr_NumericValue::Evaluate(const Expr_Array1OfNamedUnknown&, const TColStd_Array1OfReal&) const
{
return myValue;
}
TCollection_AsciiString Expr_NumericValue::String() const
{
char val[100];
sprintf(val,"%g",myValue);
return TCollection_AsciiString(val);
}