X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fmath%2Fdesign-matrix.h;h=b1cda5a9068d38be49ed45dd53a5016f78368056;hb=refs%2Ftags%2Fsid-i386-build159;hp=ad2b82585229c3d9c52d119865f7dfe76e2d9bd3;hpb=43b1296aafe7582e7dbe6c2b6a8b478d7d9b0fcf;p=pspp-builds.git

diff --git a/src/math/design-matrix.h b/src/math/design-matrix.h
index ad2b8258..b1cda5a9 100644
--- a/src/math/design-matrix.h
+++ b/src/math/design-matrix.h
@@ -58,6 +58,9 @@ struct design_matrix
 					   design_matrix_var
 					   structure.
 					 */
+  size_t *n_cases; /* Element i is the number of valid cases for this
+		      variable.
+		    */
   size_t n_vars;
 };
 
@@ -75,10 +78,23 @@ void design_matrix_set_numeric (struct design_matrix *, size_t,
 				    const struct variable *,
 				    const union value *);
 
+struct design_matrix *design_matrix_clone (const struct design_matrix *);
+
 size_t design_matrix_var_to_column (const struct design_matrix *,
 				    const struct variable *);
 
 const struct variable *design_matrix_col_to_var (const struct design_matrix *,
 					   size_t);
+void design_matrix_increment_case_count (struct design_matrix *, const struct variable *);
+
+void design_matrix_set_case_count (struct design_matrix *, const struct variable *, size_t);
+
+size_t design_matrix_get_case_count (const struct design_matrix *, const struct variable *);
+size_t design_matrix_get_n_cols (const struct design_matrix *);
+size_t design_matrix_get_n_rows (const struct design_matrix *);
+double design_matrix_get_element (const struct design_matrix *, size_t, size_t);
+void design_matrix_set_element (const struct design_matrix *, size_t, size_t, double);
+size_t dm_get_exact_subscript (const struct design_matrix *, const struct variable *,
+				   const union value *);
 
 #endif