X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FEnvironment%2Fatmosphere.hxx;h=55ccfb3f9e580a76d6d08c4ee1006fcb714bef02;hb=11d15b451347674fba77648700d23c5aaec3c6c2;hp=73fa494771fcf202bbe377ed5ba0c22e582c0af5;hpb=abc7ae96a5692aa2a5acb334e4acfece5fce8ecd;p=flightgear.git

diff --git a/src/Environment/atmosphere.hxx b/src/Environment/atmosphere.hxx
index 73fa49477..55ccfb3f9 100644
--- a/src/Environment/atmosphere.hxx
+++ b/src/Environment/atmosphere.hxx
@@ -27,10 +27,9 @@
 
 #include <simgear/compiler.h>
 #include <simgear/math/interpolater.hxx>
-#include "boost/tuple/tuple.hpp"
-using namespace boost;
 
 #include <cmath>
+#include <utility>
 
 using namespace std;
 
@@ -84,7 +83,7 @@ public:
 
 extern const ISA_layer ISA_def[];
 
-tuple<double,double> PT_vs_hpt(
+std::pair<double,double> PT_vs_hpt(
           const double hh, 
           const double _p0 = atmodel::ISA::P0,
           const double _t0 = atmodel::ISA::T0);