1 files changed, 7 insertions, 7 deletions

diff --git a/src/graph.c b/src/graph.c
index 02e0586..80b2a97 100644
--- a/src/graph.c
+++ b/src/graph.c
@@ -89,7 +89,7 @@ draw_graph (FILE *fp,
   int full_xsize = graph_xsize + graph_h_margin[0] + graph_h_margin[1];
   int full_ysize = graph_ysize + graph_v_margin[0] + graph_v_margin[1];
   grid_t grid;
-  unsigned long ymax = mon->max_rate;
+  double ymax = mon->max_rate;
   
   yscale = (double) graph_ysize / ymax;
   xscale = (double) graph_xsize / xmax;
@@ -210,16 +210,16 @@ draw_graph (FILE *fp,
   grid = grid_create (ygrid, dataq, 0, ymax, mon);
   if (grid)
     {
-      unsigned long i;
+      double d;
       char *str = NULL;
       
       draw_vtext (graph, i_grid,
                   mon->rate_unit ? mon->rate_unit : rate_unit);
 
       /* Draw vertical grid */
-      while ((i = grid_next (grid, &str, NULL)) < ymax)
+      while ((d = grid_next (grid, &str, NULL)) < ymax)
         {
-          int y = ytr (i);
+          int y = ytr (d);
           
           /* Left tick */
           gdImageLine (graph,
@@ -247,13 +247,13 @@ draw_graph (FILE *fp,
   grid = grid_create (xgrid, dataq, 0, xmax, &start);
   if (grid)
     {
-      unsigned long i;
+      double d;
       char *str = NULL;
       int mark;
       
-      while ((i = grid_next (grid, &str, &mark)) < xmax)
+      while ((d = grid_next (grid, &str, &mark)) < xmax)
         {
-          int x = xtr (i);
+          int x = xtr (d);
           
           /* Tick */
           gdImageLine (graph,