From: oetiker <oetiker@a5681a0c-68f1-0310-ab6d-d61299d08faa>
Date: Wed, 19 Aug 2009 07:47:07 +0000 (+0000)
Subject: backport from 1.4 round the index of the PERCENT selected element
X-Git-Url: https://git.tokkee.org/?p=rrdtool-all.git;a=commitdiff_plain;h=1d25c9f7c20326031dab6373713180a628fc0f83

backport from 1.4 round the index of the PERCENT selected element


git-svn-id: svn://svn.oetiker.ch/rrdtool/branches/1.3@1896 a5681a0c-68f1-0310-ab6d-d61299d08faa
---

diff --git a/program/src/rrd_graph.c b/program/src/rrd_graph.c
index 1ccbdf87..1505d5f7 100644
--- a/program/src/rrd_graph.c
+++ b/program/src/rrd_graph.c
@@ -4624,7 +4624,7 @@ int vdef_calc(
             array[step] = data[step * src->ds_cnt];
         }
         qsort(array, step, sizeof(double), vdef_percent_compar);
-        field = (steps - 1) * dst->vf.param / 100;
+        field = round((dst->vf.param * (double)(steps - 1)) / 100.0);
         dst->vf.val = array[field];
         dst->vf.when = 0;   /* no time component */
         free(array);
@@ -4633,7 +4633,7 @@ int vdef_calc(
             printf("DEBUG: %3li:%10.2f %c\n",
                    step, array[step], step == field ? '*' : ' ');
 #endif
-    }
+        }
         break;
     case VDEF_MAXIMUM:
         step = 0;