partition.h

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#ifndef GRID_PARTITION_H
#define GRID_PARTITION_H
 
namespace Grid {
namespace Partition {
 
enum class Type {
    Becke,
    Stratmann,
};
 
extern const double stratmann_a;
 
double w_becke(
    int nR0,
    const double* drR,
    const double* dRR,
    int nR,
    const int* iR,
    int c
);
 
// Becke's cell function (iterated polynomial)
double s_becke(double mu);
 
 
double w_stratmann(
    int nR0,
    const double* drR,
    const double* dRR,
    const double* drR_thr,
    int nR,
    int* iR,
    int c
);
 
// Stratmann's piecewise cell function
double s_stratmann(double mu);
 
} // end of namespace Partition
} // end of namespace Grid
 
#endif