Comment

V4/econSpd.h

@@ -94,7 +94,7 @@ float interp(float lower, float upper, float ratio) {
 /// @param weight Weight in kilogrammes
 /// @param tipTankPercent Lowest tip tank quantity (left/right) in percent
 /// @param ci CI
-/// @return Mach corresponding to CI
+/// @return Mach corresponding to CI. Returns -1 if not possible
 float ci2mach(float altitude, float weight, float tipTankPercent, int ci) {
   auto [lowerFl, upperFl, ratioFl] = boundAltitude(altitude);
   auto [lowerWgt, upperWgt, ratioWgt] = boundWeight(weight);