basis: disentangle the API from the global solver API

1 files changed, 2 insertions, 16 deletions

diff --git a/internal.h b/internal.h
index ae9932a..78b3741 100644
--- a/internal.h
+++ b/internal.h
@@ -22,6 +22,7 @@
 
 #include "brill_data.h"
 
+#include "basis.h"
 #include "qfunc.h"
 
 #define MAX(x, y) ((x) > (y) ? (x) : (y))
@@ -37,23 +38,9 @@
  */
 #define EPS 1E-08
 
-/* a set of basis functions */
-typedef struct BasisSet {
-    /* evaluate the idx-th basis function at the specified point*/
-    double (*eval)      (double coord, int idx, double sf);
-    /* evaluate the first derivative of the idx-th basis function at the specified point*/
-    double (*eval_diff1)(double coord, int idx, double sf);
-    /* evaluate the second derivative of the idx-th basis function at the specified point*/
-    double (*eval_diff2)(double coord, int idx, double sf);
-    /**
-     * Get the idx-th collocation point for the specified order.
-     * idx runs from 0 to order - 1 (inclusive)
-     */
-    double (*colloc_point)(int order, int idx, double sf);
-} BasisSet;
 
 typedef struct BDPriv {
-    const BasisSet *basis[2];
+    BasisSetContext *basis[2];
     QFuncContext    *qfunc;
 
     int nb_colloc_points[2];
@@ -66,7 +53,6 @@ typedef struct BDPriv {
 #define NB_COEFFS(s)        (s->nb_coeffs[0]        * s->nb_coeffs[1])
 #define NB_COLLOC_POINTS(s) (s->nb_colloc_points[0] * s->nb_colloc_points[1])
 
-extern const BasisSet bdi_sb_even_basis;
 
 
 int bdi_solve(BDContext *bd);