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36 #ifndef _INTERACTION_CONST_
37 #define _INTERACTION_CONST_
46 real sh_invrc6; /* For shifting the LJ potential */
48 /* type of electrostatics (defined in enums.h) */
60 real sh_ewald; /* For shifting the Ewald potential */
62 /* Dielectric constant resp. multiplication factor for charges */
66 /* Constants for reaction-field or plain cut-off */
71 /* Force/energy interpolation tables, linear in force, quadratic in V */
74 /* Coulomb force table, size of array is tabq_size (when used) */
76 /* Coulomb energy table, size of array is tabq_size (when used) */
78 /* Coulomb force+energy table, size of array is tabq_size*4,
79 entry quadruplets are: F[i], F[i+1]-F[i], V[i], 0,
80 this is used with single precision x86 SIMD for aligned loads */
82 } interaction_const_t;
88 #endif /* _INTERACTION_CONST_ */