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IFuncMinimum.h
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1 #ifndef GAUDIGSL_IFUNCMINIMUM_H
2 #define GAUDIGSL_IFUNCMINIMUM_H 1
3 // Include files
4 // from STL
5 #include <string>
6 #include <vector>
7 // from Gaudi
8 #include "GaudiKernel/IAlgTool.h"
9 
10 // forward declarations
11 namespace Genfun
12 {
13  class AbsFunction;
14  class Argument;
15 } // namespace Genfun
16 namespace CLHEP {
17  class HepSymMatrix;
18 }
19 
27 struct GAUDI_API IFuncMinimum : extend_interfaces<IAlgTool> {
29  DeclareInterfaceID( IFuncMinimum, 3, 0 );
30 
32  typedef Genfun::AbsFunction GenFunc;
34  typedef Genfun::Argument Arg;
36  typedef CLHEP::HepSymMatrix Covariance;
37 
39 
45  virtual StatusCode minimum( const GenFunc& fun, Arg& pars ) const = 0;
46 
54  virtual StatusCode minimum( const GenFunc& fun, Arg& pars, Covariance& covar ) const = 0;
55 };
56 #endif // GAUDIGSL_IFUNCMINIMUM_H
IFuncMinimum::Arg
Genfun::Argument Arg
Argument of function "GenFunc" (.
Definition: IFuncMinimum.h:34
IFuncMinimum
Interface file to find minimum of the function and compute covariance matrix (matrix of error) ...
Definition: IFuncMinimum.h:27
StatusCode
This class is used for returning status codes from appropriate routines.
Definition: StatusCode.h:50
DeclareInterfaceID
#define DeclareInterfaceID(iface, major, minor)
Macro to declare the interface ID when using the new mechanism of extending and implementing interfac...
Definition: IInterface.h:13
extend_interfaces
Base class to be used to extend an interface.
Definition: extend_interfaces.h:5
IFuncMinimum::GenFunc
Genfun::AbsFunction GenFunc
Function which we minimize (.
Definition: IFuncMinimum.h:32
IFuncMinimum::Covariance
CLHEP::HepSymMatrix Covariance
Covariance matrix (matrix of error) (.
Definition: IFuncMinimum.h:36
IAlgTool.h
fun
double fun(const std::vector< double > &x)
Definition: PFuncTest.cpp:26
Genfun
CLHEP.
Definition: IEqSolver.h:13
GAUDI_API
#define GAUDI_API
Definition: Kernel.h:71