X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FFDM%2FYASim%2FAtmosphere.hpp;h=b0cfd3d868adfbdb0977c1a22c4f60ded6e56fc8;hb=195eadc739395dcf105075726833cafb48745fcc;hp=2c10ff321366a30cf53b9f58f85d57ceca130a7f;hpb=f0e6716953604730579a5e45f785fd063737dce4;p=flightgear.git

diff --git a/src/FDM/YASim/Atmosphere.hpp b/src/FDM/YASim/Atmosphere.hpp
index 2c10ff321..b0cfd3d86 100644
--- a/src/FDM/YASim/Atmosphere.hpp
+++ b/src/FDM/YASim/Atmosphere.hpp
@@ -10,9 +10,12 @@ public:
     static float getStdDensity(float alt);
 
     static float calcVCAS(float spd, float pressure, float temp);
-    static float calcVEAS(float spd, float pressure, float temp);
+    static float calcVEAS(float spd, float pressure, float temp, float density);
     static float calcMach(float spd, float temp);
-    static float calcDensity(float pressure, float temp);
+    static float calcStdDensity(float pressure, float temp);
+
+    static float spdFromMach(float mach, float temp);
+    static float spdFromVCAS(float vcas, float pressure, float temp);
     
     // Given ambient ("0") pressure/density/temperature values,
     // calculate the properties of static air (air accelerated to the