Open CASCADE Technology 6.6.0
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Defines the general purposes of any function.
#include <Expr_GeneralFunction.hxx>
Public Member Functions | |
virtual Standard_Integer | NbOfVariables () const =0 |
Returns the number of variables of <me>. | |
virtual Handle_Expr_NamedUnknown | Variable (const Standard_Integer index) const =0 |
Returns the variable denoted by <index> in <me>. Raises OutOfRange if index > NbOfVariables. | |
virtual Handle_Expr_GeneralFunction | Copy () const =0 |
Returns a copy of <me> with the same form. | |
virtual Handle_Expr_GeneralFunction | Derivative (const Handle< Expr_NamedUnknown > &var) const =0 |
Returns Derivative of <me> for variable . | |
virtual Handle_Expr_GeneralFunction | Derivative (const Handle< Expr_NamedUnknown > &var, const Standard_Integer deg) const =0 |
Returns Derivative of <me> for variable with degree <deg>. | |
virtual Standard_Real | Evaluate (const Expr_Array1OfNamedUnknown &vars, const TColStd_Array1OfReal &vals) const =0 |
Computes the value of <me> with the given variables. Raises NotEvaluable if <vars> does not match all variables of <me>. | |
virtual Standard_Boolean | IsIdentical (const Handle< Expr_GeneralFunction > &func) const =0 |
Tests if <me> and <func> are similar functions (same name and same used expression). | |
virtual Standard_Boolean | IsLinearOnVariable (const Standard_Integer index) const =0 |
Tests if <me> is linear on variable on range <index> | |
virtual TCollection_AsciiString | GetStringName () const =0 |
virtual Handle_Expr_GeneralFunction Expr_GeneralFunction::Copy | ( | ) | const [pure virtual] |
Implemented in Expr_NamedFunction, and Expr_FunctionDerivative.
virtual Handle_Expr_GeneralFunction Expr_GeneralFunction::Derivative | ( | const Handle< Expr_NamedUnknown > & | var | ) | const [pure virtual] |
Implemented in Expr_NamedFunction, and Expr_FunctionDerivative.
virtual Handle_Expr_GeneralFunction Expr_GeneralFunction::Derivative | ( | const Handle< Expr_NamedUnknown > & | var, |
const Standard_Integer | deg | ||
) | const [pure virtual] |
Implemented in Expr_NamedFunction, and Expr_FunctionDerivative.
virtual Standard_Real Expr_GeneralFunction::Evaluate | ( | const Expr_Array1OfNamedUnknown & | vars, |
const TColStd_Array1OfReal & | vals | ||
) | const [pure virtual] |
Implemented in Expr_NamedFunction, and Expr_FunctionDerivative.
virtual TCollection_AsciiString Expr_GeneralFunction::GetStringName | ( | ) | const [pure virtual] |
Implemented in Expr_NamedFunction, and Expr_FunctionDerivative.
virtual Standard_Boolean Expr_GeneralFunction::IsIdentical | ( | const Handle< Expr_GeneralFunction > & | func | ) | const [pure virtual] |
Implemented in Expr_NamedFunction, and Expr_FunctionDerivative.
virtual Standard_Boolean Expr_GeneralFunction::IsLinearOnVariable | ( | const Standard_Integer | index | ) | const [pure virtual] |
Implemented in Expr_NamedFunction, and Expr_FunctionDerivative.
virtual Standard_Integer Expr_GeneralFunction::NbOfVariables | ( | ) | const [pure virtual] |
Implemented in Expr_NamedFunction, and Expr_FunctionDerivative.
virtual Handle_Expr_NamedUnknown Expr_GeneralFunction::Variable | ( | const Standard_Integer | index | ) | const [pure virtual] |
Implemented in Expr_NamedFunction, and Expr_FunctionDerivative.