--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rDiff/src/locfit/Source/design.h	Thu Feb 14 23:38:36 2013 -0500
@@ -0,0 +1,32 @@
+/*
+ *   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();