Allow geocentric distance computations to return radians.

[simgear.git] / simgear / math / interpolater.cxx

diff --git a/simgear/math/interpolater.cxx b/simgear/math/interpolater.cxx
index 59caa2fcaa636b5ded7549d785f9e2fd1dec12fd..1bbbadc801d2a427ccd91cb8ac66cb3ef18d7f6e 100644 (file)
--- a/simgear/math/interpolater.cxx
+++ b/simgear/math/interpolater.cxx
@@ -22,10 +22,13 @@
 //
 // $Id$
 
+#ifdef HAVE_CONFIG_H
+#  include <simgear_config.h>
+#endif
 
 #include <simgear/compiler.h>
 
-#include STL_STRING
+#include <string>
 
 #include <simgear/debug/logstream.hxx>
 #include <simgear/misc/sgstream.hxx>
@@ -33,7 +36,9 @@
 
 #include "interpolater.hxx"
 
-SG_USING_STD(string);
+#include <simgear/math/SGMath.hxx>
+
+using std::string;
 
 // Constructor -- starts with an empty table.
 SGInterpTable::SGInterpTable()