/usr/include/oce/math_MultipleVarFunctionWithHessian.hxx is in liboce-foundation-dev 0.17.2-2.
This file is owned by root:root, with mode 0o644.
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// Please do not edit this file; modify original file instead.
// The copyright and license terms as defined for the original file apply to
// this header file considered to be the "object code" form of the original source.
#ifndef _math_MultipleVarFunctionWithHessian_HeaderFile
#define _math_MultipleVarFunctionWithHessian_HeaderFile
#include <Standard.hxx>
#include <Standard_DefineAlloc.hxx>
#include <Standard_Macro.hxx>
#include <math_MultipleVarFunctionWithGradient.hxx>
#include <Standard_Integer.hxx>
#include <Standard_Boolean.hxx>
#include <math_Vector.hxx>
#include <Standard_Real.hxx>
class math_Matrix;
class math_MultipleVarFunctionWithHessian : public math_MultipleVarFunctionWithGradient
{
public:
DEFINE_STANDARD_ALLOC
Standard_EXPORT virtual void Delete() ;
Standard_EXPORT virtual ~math_MultipleVarFunctionWithHessian(){Delete();}
//! returns the number of variables of the function.
Standard_EXPORT virtual Standard_Integer NbVariables() const = 0;
//! computes the values of the Functions <F> for the
//! variable <X>.
//! Returns True if the computation was done successfully,
//! False otherwise.
Standard_EXPORT virtual Standard_Boolean Value (const math_Vector& X, Standard_Real& F) = 0;
//! computes the gradient <G> of the functions for the
//! variable <X>.
//! Returns True if the computation was done successfully,
//! False otherwise.
Standard_EXPORT virtual Standard_Boolean Gradient (const math_Vector& X, math_Vector& G) = 0;
//! computes the value <F> and the gradient <G> of the
//! functions for the variable <X>.
//! Returns True if the computation was done successfully,
//! False otherwise.
Standard_EXPORT virtual Standard_Boolean Values (const math_Vector& X, Standard_Real& F, math_Vector& G) = 0;
//! computes the value <F>, the gradient <G> and the
//! hessian <H> of the functions for the variable <X>.
//! Returns True if the computation was done
//! successfully, False otherwise.
Standard_EXPORT virtual Standard_Boolean Values (const math_Vector& X, Standard_Real& F, math_Vector& G, math_Matrix& H) = 0;
protected:
private:
};
#endif // _math_MultipleVarFunctionWithHessian_HeaderFile
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