sys-file-reader: Improve debugging usefulness of error messages.

[pspp-builds.git] / src / math / covariance.h

diff --git a/src/math/covariance.h b/src/math/covariance.h
index 3d29dcea8b0193babed4238ef64a988b7fbb92a3..f12e994d52fd6f89d33cbdcb9e5f46e4689d117c 100644 (file)
--- a/src/math/covariance.h
+++ b/src/math/covariance.h
@@ -1,5 +1,5 @@
 /* PSPP - a program for statistical analysis.
-   Copyright (C) 2009 Free Software Foundation, Inc.
+   Copyright (C) 2009, 2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -26,24 +26,27 @@
 struct covariance;
 struct variable;
 struct ccase ;
+struct categoricals;
 
-struct covariance * covariance_1pass_create (size_t n_vars, const struct variable **vars, 
+struct covariance * covariance_1pass_create (size_t n_vars, const struct variable *const *vars, 
                                             const struct variable *wv, enum mv_class excl);
 
 struct covariance *
-covariance_2pass_create (size_t n_vars, const struct variable **vars,
-                        size_t n_catvars, const struct variable **catvars, 
+covariance_2pass_create (size_t n_vars, const struct variable *const *vars,
+                        struct categoricals *cats,
                         const struct variable *wv, enum mv_class excl);
 
 void covariance_accumulate (struct covariance *, const struct ccase *);
 void covariance_accumulate_pass1 (struct covariance *, const struct ccase *);
 void covariance_accumulate_pass2 (struct covariance *, const struct ccase *);
 
-const gsl_matrix * covariance_calculate (struct covariance *cov);
-const gsl_matrix * covariance_calculate_unnormalized (struct covariance *);
+gsl_matrix * covariance_calculate (struct covariance *);
+gsl_matrix * covariance_calculate_unnormalized (struct covariance *);
 
 void covariance_destroy (struct covariance *cov);
 
 const gsl_matrix *covariance_moments (const struct covariance *cov, int m);
 
+const struct categoricals * covariance_get_categoricals (const struct covariance *cov);
+
 #endif