$OpenBSD: patch-src_drivers_human_human_cpp,v 1.1.1.1 2013/08/23 11:16:26 pascal Exp $
--- src/drivers/human/human.cpp.orig	Tue Jul 30 00:41:42 2013
+++ src/drivers/human/human.cpp	Tue Jul 30 00:41:51 2013
@@ -1094,7 +1094,7 @@ common_drive(const int index, tCarElt* car, tSituation
 			}
 			ax0 = ax0 * cmd[CMD_THROTTLE].pow;
 			car->_accelCmd =  pow(fabs(ax0), 1.0f / cmd[CMD_THROTTLE].sens) / (1.0 + cmd[CMD_THROTTLE].spdSens * car->_speed_x / 1000.0);
-			if (isnan (car->_accelCmd)) {
+			if (std::isnan (car->_accelCmd)) {
 				car->_accelCmd = 0;
 			}
 			/* printf("  axO:%f  accelCmd:%f\n", ax0, car->_accelCmd); */
