X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fmath%2Fcovariance-matrix.h;h=24ce791cf5f74da3bb27ae48b11c4a9591a9f2b8;hb=29eec4ed65faec40e628474ba759899d7aaf9762;hp=60f6b0d144f661cd01faa9041b53ce53f6ec2ef8;hpb=28726cd68ed7ee301b0ecb79b58e5dfea5ab9779;p=pspp-builds.git

diff --git a/src/math/covariance-matrix.h b/src/math/covariance-matrix.h
index 60f6b0d1..24ce791c 100644
--- a/src/math/covariance-matrix.h
+++ b/src/math/covariance-matrix.h
@@ -21,14 +21,40 @@
 #ifndef COVARIANCE_MATRIX_H
 #define COVARIANCE_MATRIX_H
 
-#include "design-matrix.h"
+#include <math/design-matrix.h>
+#include <math/interaction.h>
+
+struct moments1;
+struct ccase;
+struct hsh_table;
+struct covariance_matrix;
+enum
+{ ONE_PASS,
+  TWO_PASS
+};
 
-struct design_matrix *
-covariance_matrix_create (int, const struct variable *[]);
-
-void covariance_matrix_destroy (struct design_matrix *);
-
-void covariance_pass_two (struct design_matrix *, double, double,
-			  double, double, const struct variable *, 
-			  const struct variable *, const union value *, const union value *);
+/*
+  How to deal with missing values.
+ */
+enum
+{ LISTWISE,
+  PAIRWISE
+};
+struct design_matrix *covariance_matrix_create (size_t,
+						const struct variable *[]);
+
+void covariance_matrix_destroy (struct covariance_matrix *cov);
+void covariance_pass_two (struct design_matrix *, double,
+			  double, double, const struct variable *,
+			  const struct variable *, const union value *,
+			  const union value *);
+void covariance_matrix_compute (struct covariance_matrix *);
+struct covariance_matrix *covariance_matrix_init (size_t,
+						  const struct variable *[],
+						  int, int, enum mv_class);
+void covariance_matrix_free (struct covariance_matrix *);
+void covariance_matrix_accumulate (struct covariance_matrix *,
+				   const struct ccase *, void **, size_t);
+struct design_matrix *covariance_to_design (const struct covariance_matrix *);
+double covariance_matrix_get_element (const struct covariance_matrix *, size_t, size_t);
 #endif