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- /*
- * The design structure used in Locfit, and associated macro definitions.
- */
- typedef struct {
- int des_init_id;
- double *wk;
- Sint *ind;
- int lwk, lind;
- double *xev; /* fitting point, length p */
- double *X; /* design matrix, length n*p */
- double *w, *di, *res, *th, *wd, h;
- double *V, *P; /* matrices with length p*p */
- double *f1, *ss, *oc, *cf; /* work vectors, length p */
- double llk, smwt;
- jacobian xtwx; /* to store X'WVX and decomposition */
- int cfn[1+MXDIM], ncoef;
- Sint *fix; /* integer vector for fixed coefficients. */
- int (*itype)(); /* density integration function */
- int n, p;
- int (*vfun)(); /* pointer to the vertex processing function. */
- } design;
- #define cfn(des,i) (des->cfn[i])
- #define d_x(des) ((des)->X)
- #define d_xi(des,i) (&(des)->X[i*((des)->p)])
- #define d_xij(des,i,j) ((des)->X[i*((des)->p)+j])
- #define is_fixed(des,i) ((des)->fix[i]==1)
- #define DES_INIT_ID 34988372
- extern int des_reqd(), des_reqi();
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