moved coefficient.[ch] to src/math

[pspp-builds.git] / src / math / linreg / predict.c

diff --git a/src/math/linreg/predict.c b/src/math/linreg/predict.c
index 49e24434b5ff5cca2ae5ae1d95ecffc335b06040..6562d321e6c18e465c4aab41b0e396b88ac69fc9 100644 (file)
--- a/src/math/linreg/predict.c
+++ b/src/math/linreg/predict.c
@@ -19,7 +19,7 @@
  */
 
 #include <math/linreg/linreg.h>
-#include <math/linreg/coefficient.h>
+#include <math/coefficient.h>
 #include <gl/xalloc.h>
 
 /*
@@ -30,9 +30,9 @@
  */
 double
 pspp_linreg_predict (const struct variable **predictors,
-                    const union value **vals,
-                    const pspp_linreg_cache * c, int n_vals)
+                    const union value **vals, const void *c_, int n_vals)
 {
+  const pspp_linreg_cache *c = c_;
   int i;
   int j;
   const struct pspp_linreg_coeff **found;
@@ -50,13 +50,13 @@ pspp_linreg_predict (const struct variable **predictors,
       return c->depvar_mean;
     }
   found = xnmalloc (c->n_coeffs, sizeof (*found));
-  *found = c->coeff;
-  result = c->coeff->estimate; /* Intercept. */
+  *found = c->coeff[0];
+  result = c->coeff[0]->estimate;      /* Intercept. */
 
   /*
-    The loops guard against the possibility that the caller passed us
-    inadequate information, such as too few or too many values, or
-    a redundant list of variable names.
+     The loops guard against the possibility that the caller passed us
+     inadequate information, such as too few or too many values, or
+     a redundant list of variable names.
    */
   for (j = 0; j < n_vals; j++)
     {
@@ -85,8 +85,7 @@ pspp_linreg_predict (const struct variable **predictors,
 double
 pspp_linreg_residual (const struct variable **predictors,
                      const union value **vals,
-                     const union value *obs,
-                     const pspp_linreg_cache * c, int n_vals)
+                     const union value *obs, const void *c, int n_vals)
 {
   double pred;
   double result;