X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flanguage%2Fstats%2Fquick-cluster.c;h=f4c64b09977fff52caa8f83e9f172ad75dff14a5;hb=bac6dafc3c5ee45b2321615a8a36a2ddf93a2b1d;hp=4f34e4f0a8ef0eabcb955d4eb1588d634264f33e;hpb=e8fd8bbc19102dd21c25433d9c410ccb174931db;p=pspp

diff --git a/src/language/stats/quick-cluster.c b/src/language/stats/quick-cluster.c
index 4f34e4f0a8..f4c64b0997 100644
--- a/src/language/stats/quick-cluster.c
+++ b/src/language/stats/quick-cluster.c
@@ -20,7 +20,6 @@
 #include <gsl/gsl_permutation.h>
 #include <gsl/gsl_sort_vector.h>
 #include <gsl/gsl_statistics.h>
-#include <math.h>
 #include <stdio.h>
 #include <stdlib.h>
 
@@ -187,21 +186,7 @@ matrix_mindist (const gsl_matrix *m, int *mn, int *mm)
 	}
     }
 
-  return sqrt (mindist);
-}
-
-
-static void
-dump_matrix (const gsl_matrix *m)
-{
-  size_t i, j;
-
-  for (i = 0 ; i < m->size1; ++i)
-    {
-      for (j = 0 ; j < m->size2; ++j)
-	printf ("%02f ", gsl_matrix_get (m, i, j));
-      printf ("\n");
-    }
+  return mindist;
 }
 
 
@@ -220,7 +205,7 @@ dist_from_case (const struct Kmeans *kmeans, const struct ccase *c, const struct
       dist += pow2 (gsl_matrix_get (kmeans->centers, which, j) - val->f);
     }
  
-  return sqrt (dist);
+  return dist;
 }
 
 /* Return the minimum distance of the group WHICH and all other groups */
@@ -247,7 +232,7 @@ min_dist_from (const struct Kmeans *kmeans, const struct qc *qc, int which)
 	}
     }
 
-  return sqrt (mindist);
+  return mindist;
 }
 
 
@@ -349,7 +334,6 @@ kmeans_get_nearest_group (const struct Kmeans *kmeans, struct ccase *c, const st
 
 	  dist += pow2 (gsl_matrix_get (kmeans->centers, i, j) - val->f);
 	}
-      dist = sqrt (dist);
 
       if (dist < mindist0)
 	{