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37 #ifndef GMX_GMXANA_SFACTOR_H
38 #define GMX_GMXANA_SFACTOR_H
40 #include "gromacs/math/gmxcomplex.h"
41 #include "gromacs/math/vectypes.h"
42 #include "gromacs/utility/basedefinitions.h"
44 struct gmx_output_env_t
;
48 typedef struct gmx_structurefactors gmx_structurefactors_t
;
50 typedef struct structure_factor structure_factor_t
;
52 typedef struct reduced_atom reduced_atom_t
;
54 int * create_indexed_atom_type (reduced_atom_t
* atm
, int size
);
56 void compute_structure_factor (structure_factor_t
* sft
, matrix box
,
57 reduced_atom_t
* red
, int isize
, real start_q
,
58 real end_q
, int group
, real
**sf_table
);
60 gmx_structurefactors_t
*gmx_structurefactors_init(const char *datfn
);
62 void gmx_structurefactors_done(gmx_structurefactors_t
*gsf
);
64 int gmx_structurefactors_get_sf(gmx_structurefactors_t
*gsf
, int elem
, real a
[4], real b
[4], real
*c
);
66 real
**gmx_structurefactors_table(gmx_structurefactors_t
*gsf
, real momentum
, real ref_k
,
67 real lambda
, int n_angles
);
69 void save_data (structure_factor_t
* sft
, const char *file
, int ngrps
,
70 real start_q
, real end_q
, const gmx_output_env_t
*oenv
);
72 double CMSF (gmx_structurefactors_t
*gsf
, int type
, int nh
, double lambda
, double sin_theta
);
74 int return_atom_type (const char *name
, gmx_structurefactors_t
*gsf
);
76 void rearrange_atoms (reduced_atom_t
* positions
, struct t_trxframe
*fr
, const int * index
,
77 int isize
, const t_topology
* top
, gmx_bool flag
, gmx_structurefactors_t
*gsf
);
79 int do_scattering_intensity (const char* fnTPS
, const char* fnNDX
,
80 const char* fnXVG
, const char *fnTRX
,
82 real start_q
, real end_q
,
83 real energy
, int ng
, const gmx_output_env_t
*oenv
);
85 t_complex
*** rc_tensor_allocation(int x
, int y
, int z
);
87 real
**compute_scattering_factor_table (gmx_structurefactors_t
*gsf
, structure_factor_t
* sft
);