CCL_BEGIN_DECLS void ccl_correlation(ccl_cosmology *cosmo, int n_ell, double *ell, double *cls, int n_theta, double *theta, double *wtheta, int corr_type, int do_taper_cl, double *taper_cl_limits, int flag_method, int *status)
void ccl_correlation_3d(ccl_cosmology *cosmo, double a, int n_r, double *r, double *xi, int do_taper_pk, double *taper_pk_limits, int *status)