#include <nemo.h>
typedef real (*rcproc)(real, int, real *, real *);
/* see: $NEMO/src/image/rotcur/rotcurs.c */
extern real rotcur_flat (real r, int n, real *p, real *d);
extern real rotcur_linear (real r, int n, real *p, real *d);
extern real rotcur_poly (real r, int n, real *p, real *d);
extern real rotcur_core (real r, int n, real *p, real *d);
extern real rotcur_core1 (real r, int n, real *p, real *d);
extern real rotcur_core2 (real r, int n, real *p, real *d);
extern real rotcur_plummer (real r, int n, real *p, real *d);
extern real rotcur_tanh (real r, int n, real *p, real *d);
extern real rotcur_arctan (real r, int n, real *p, real *d);
extern real rotcur_iso (real r, int n, real *p, real *d);
extern real rotcur_exp (real r, int n, real *p, real *d);
extern real rotcur_nfw (real r, int n, real *p, real *d);
extern real rotcur_moore (real r, int n, real *p, real *d);
extern real rotcur_brandt (real r, int n, real *p, real *d);
extern real rotcur_power (real r, int n, real *p, real *d);
extern real rotcur_disk1 (real r, int n, real *p, real *d);