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mmeineke | 
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#ifndef __MCL_INTERFACE_H__ | 
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#define __MCL_INTERFACE_H__ | 
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typedef enum { MOLECULE, ATOM, BOND, BEND, TORSION, COMPONENT,  | 
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               POSITION, ASSIGNMENT, MEMBER, CONSTRAINT, ORIENTATION, | 
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               START_INDEX, BLOCK_END } event_enum; | 
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typedef struct{ | 
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  double x; | 
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  double y; | 
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  double z; | 
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} position_event; | 
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typedef enum { STRING, INT, DOUBLE } interface_assign_type; | 
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typedef struct{ | 
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  interface_assign_type asmt_type; | 
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  char lhs[80]; | 
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  union{ | 
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    int ival; | 
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    double dval; | 
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    char sval[120]; | 
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  }rhs; | 
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} assignment_event; | 
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typedef struct{ | 
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  int a; | 
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  int b; | 
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  int c; | 
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  int d; | 
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} member_event; | 
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typedef struct{ | 
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  int* array; | 
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  int n_elements; | 
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} start_index_event; | 
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typedef struct{ | 
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  event_enum event_type; | 
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  char* err_msg; | 
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  union{ | 
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    int               blk_index; // block index | 
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    position_event    pos; | 
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    position_event    ornt; // use the same structure for orientation | 
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    assignment_event  asmt; | 
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    member_event      mbr; | 
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    double            cnstr; // the constraint value | 
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    start_index_event si; | 
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  } evt; | 
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} event; | 
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#ifdef __cplusplus | 
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extern "C" { | 
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#endif | 
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  int event_handler( event* the_event ); | 
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#ifdef __cplusplus | 
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} | 
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#endif | 
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#endif // ifndef __MCL_INTERFACE_H__ |