X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FInstrumentation%2Faltimeter.cxx;h=8e9fbb1c95897cc72fde13ef4f5e2d9cf80f9796;hb=43b300fe46d8013a90009ec8e1a923ec53a396b5;hp=f5d6229d5e7a942c6b8a41d4e6d24fa4afc34da6;hpb=b395c12fdb68662638bc638d339fb8fcbbaee778;p=flightgear.git

diff --git a/src/Instrumentation/altimeter.cxx b/src/Instrumentation/altimeter.cxx
index f5d6229d5..8e9fbb1c9 100644
--- a/src/Instrumentation/altimeter.cxx
+++ b/src/Instrumentation/altimeter.cxx
@@ -15,6 +15,10 @@
 //      </altimeter>
 // Note non-default name, quantum, and tau values.
 
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
 #include <simgear/math/interpolater.hxx>
 #include <simgear/math/SGMath.hxx>
 
@@ -67,7 +71,7 @@ Altimeter::update (double dt)
         _mode_c_node->setDoubleValue(100 * SGMiscd::round(raw_PA/100));
         _kollsman = fgGetLowPass(_kollsman, _altimeter.kollsman_ft(setting), trat);
         if (_quantum)
-            press_alt = _quantum*round(raw_PA/_quantum);
+            press_alt = _quantum * SGMiscd::round(raw_PA/_quantum);
         else
             press_alt = raw_PA;
         _press_alt_node->setDoubleValue(press_alt);