X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fmath%2Forder-stats.c;h=e8e078f4b6f066913d1081aadab2c7692886d19a;hb=de786d64f39e8d8c7a3b1d86fbd88ec2d6d19fa6;hp=1a4aef891ae173d84147ddc27d014b7e22618222;hpb=2c4b104df57f2e8b5ed2afa50819294aaac4aa6c;p=pspp

diff --git a/src/math/order-stats.c b/src/math/order-stats.c
index 1a4aef891a..e8e078f4b6 100644
--- a/src/math/order-stats.c
+++ b/src/math/order-stats.c
@@ -128,6 +128,9 @@ order_stats_accumulate_idx (struct order_stats **os, size_t nos,
       const double weight = wt_idx == -1 ? 1.0 : case_num_idx (cx, wt_idx);
       const double this_value = case_num_idx (cx, val_idx);
 
+      if (weight == SYSMIS)
+        continue;
+
       /* The casereader MUST be sorted */
       assert (this_value >= prev_value);
 
@@ -169,4 +172,3 @@ order_stats_accumulate (struct order_stats **os, size_t nos,
                               wv ? var_get_case_index (wv) : -1,
                               var_get_case_index (var));
 }
-