diff -Naur nagios-plugins-1.4.11/plugins/check_swap.c nagios-plugins-1.4.11-hpux-floor/plugins/check_swap.c
--- nagios-plugins-1.4.11/plugins/check_swap.c	2007-12-10 08:52:00.000000000 +0100
+++ nagios-plugins-1.4.11-hpux-floor/plugins/check_swap.c	2008-01-05 17:11:46.696863797 +0100
@@ -427,7 +427,7 @@
 			else if (strstr (optarg, ",") &&
 							 strstr (optarg, "%") &&
 							 sscanf (optarg, "%f,%d%%", &warn_size_bytes, &warn_percent) == 2) {
-				warn_size_bytes = floorf(warn_size_bytes);
+				warn_size_bytes = (float) floor(warn_size_bytes);
 				break;
 			}
 			else if (strstr (optarg, "%") &&
@@ -445,7 +445,7 @@
 			else if (strstr (optarg, ",") &&
 							 strstr (optarg, "%") &&
 							 sscanf (optarg, "%f,%d%%", &crit_size_bytes, &crit_percent) == 2) {
-				crit_size_bytes = floorf(crit_size_bytes);
+				crit_size_bytes = (float) floor(crit_size_bytes);
 				break;
 			}
 			else if (strstr (optarg, "%") &&