#ifndef __HKALDEF_H__
#define __HKALDEF_H__

namespace Kalman {

    #define kNumKalStates 4 //! Number of different states for the Kalman filter: predicted, filtered, smoothed and inverse filtered state.
    #define kalDebug      1 //! 1 - run in debug mode.

    enum kalFilterTypes   { kPredicted   = 0,
        kFiltered    = 1,
        kSmoothed    = 2,
        kInvFiltered = 3
    };

    enum kalStateIdx      { kIdxX0       = 0,
        kIdxY0       = 1,
        kIdxTanPhi   = 2,
        kIdxTanTheta = 3,
        kIdxQP       = 4
    };

    enum kalRotateOptions { kNoRot    = 0,
        kFixedRot = 1,
        kVarRot   = 2
    };

    enum matIdx           { kMatIdxA         = 0,
        kMatIdxZ         = 1,
        kMatIdxDensity   = 2,
        kMatIdxExEner    = 3,
        kMatIdxRadLength = 4
    };
} // namespace

#endif //__HKALDEF_H__