X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=simgear%2Fmisc%2Finterpolator.cxx;h=2e902cae09841873ec2e14a2eb1295b442a95d16;hb=e3f70b712545bc42a43175a2a88174dacce9ce73;hp=8720088ea4eaddf0ff382b1fe92374542b71e5ff;hpb=dcb95d131bc6aef1abe25d1f415e309f06e52436;p=simgear.git

diff --git a/simgear/misc/interpolator.cxx b/simgear/misc/interpolator.cxx
index 8720088e..2e902cae 100644
--- a/simgear/misc/interpolator.cxx
+++ b/simgear/misc/interpolator.cxx
@@ -18,6 +18,8 @@
 
 #include "interpolator.hxx"
 
+#include <simgear/math/SGMath.hxx>
+
 void SGInterpolator::addNew(SGPropertyNode* prop, int nPoints)
 {
     // Set the property type to a double, if it isn't already, and