X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fmath%2Fcoefficient.h;h=dda2ae30cf292cb5008f0bf7e14a8440daeaf76e;hb=73f67789df91a09ee91976434fb15c2ee1fb5e78;hp=5fb34c261543c3db14a16ac9e1726407e4094115;hpb=51010fcf5cc308367c1fe3fafa785a3d2216b03d;p=pspp-builds.git

diff --git a/src/math/coefficient.h b/src/math/coefficient.h
index 5fb34c26..dda2ae30 100644
--- a/src/math/coefficient.h
+++ b/src/math/coefficient.h
@@ -95,6 +95,15 @@ double pspp_coeff_get_std_err (const struct pspp_coeff *);
  */
 int pspp_coeff_get_n_vars (struct pspp_coeff *);
 
+/*
+  Which coefficient does this variable match? If the variable is
+  categorical, and has more than one coefficient, report the first
+  coefficient found. Note that in this case, the result will depend on
+  the order of COEFS.
+ */
+const struct pspp_coeff *
+pspp_coeff_var_to_coeff (const struct variable *, struct pspp_coeff **, size_t, const union value *);
+
 /*
   Which variable does this coefficient match? The int argument is usually
   0, unless the coefficient refers to an interaction.
@@ -106,4 +115,16 @@ const struct variable *pspp_coeff_get_var (struct pspp_coeff *,
  */
 const union value *pspp_coeff_get_value (struct pspp_coeff *,
 						const struct variable *);
+
+/*
+  Get or set the standard deviation of the variable associated with this coefficient.
+ */
+double pspp_coeff_get_sd (const struct pspp_coeff *);
+void pspp_coeff_set_sd (struct pspp_coeff *, double);
+
+/*
+  Get or set the mean for the variable associated with this coefficient.
+*/
+double pspp_coeff_get_mean (const struct pspp_coeff *);
+void pspp_coeff_set_mean (struct pspp_coeff *, double);
 #endif