Index: trunk/Ohana/src/opihi/cmd.data/stats.c
===================================================================
--- trunk/Ohana/src/opihi/cmd.data/stats.c	(revision 20532)
+++ trunk/Ohana/src/opihi/cmd.data/stats.c	(revision 20533)
@@ -57,9 +57,12 @@
   }
 
-  max = min = *((float *)(buf[0].matrix.buffer) + sy*buf[0].matrix.Naxis[0] + sx);
+  max = -1e32;
+  min = +1e32;
   for (j = sy; j < sy + ny; j++) {
     V = (float *)(buf[0].matrix.buffer) + j*buf[0].matrix.Naxis[0] + sx; 
     for (i = 0; i < nx; i++, V++) {
       if (Ignore && (fabs (*V - IgnoreValue) < 1e-8)) continue;
+      if (isnan(*V)) continue;
+      if (isinf(*V)) continue;
       N1 += *V;
       N2 += (*V)*(*V);
@@ -81,4 +84,6 @@
       for (i = 0; i < nx; i++, V++) {
 	if (Ignore && (fabs (*V - IgnoreValue) < 1e-8)) continue;
+	if (isnan(*V)) continue;
+	if (isinf(*V)) continue;
 	bin = MIN (MAX (0, (*V - min) * range), 0xffff);
 	hist[bin] ++;