Upstream vwifi v7.0 (Raizo62/vwifi @ 4a9842e)

Unmodified upstream source from https://github.com/Raizo62/vwifi
Commit: 4a9842e "CMakeLists.txt : VERSION = 7.0"

Simulator of WiFi (802.11) interfaces to communicate between
several Virtual Machines via mac80211_hwsim + TCP relay.

License: Apache-2.0

src/ccoordinate.cc

@@ -0,0 +1,80 @@
+#include "ccoordinate.h"
+
+#include <math.h> // sqrt
+
+TScale Scale=1;
+
+CCoordinate::CCoordinate(TValue x, TValue y, TValue z)
+{
+	Set(x, y, z);
+}
+
+CCoordinate::CCoordinate()
+{
+	X=0;
+	Y=0;
+	Z=0;
+}
+
+CCoordinate::CCoordinate(const CCoordinate& coo)
+{
+	*this=coo;
+}
+
+void CCoordinate::SetX(TValue x)
+{
+	X=x;
+}
+void CCoordinate::SetY(TValue y)
+{
+	Y=y;
+}
+
+void CCoordinate::SetZ(TValue z)
+{
+	Z=z;
+}
+
+void CCoordinate::Set(TValue x, TValue y)
+{
+	SetX(x);
+	SetY(y);
+}
+
+void CCoordinate::Set(TValue x, TValue y, TValue z)
+{
+	Set(x, y);
+	SetZ(z);
+}
+
+void CCoordinate::Set(CCoordinate coo)
+{
+	Set(coo.X,coo.Y,coo.Z);
+}
+
+TDistance CCoordinate::DistanceWith(TValue x, TValue y, TValue z)
+{
+	return Scale*sqrt( (X-x)*(X-x)+(Y-y)*(Y-y)+(Z-z)*(Z-z) );
+}
+
+TDistance CCoordinate::DistanceWith(CCoordinate coo)
+{
+	return DistanceWith(coo.X, coo.Y, coo.Z);
+}
+
+void CCoordinate::Display(ostream& os) const
+{
+	os << X << " " << Y << " " << Z;
+}
+
+ostream& operator<<(ostream& os, const CCoordinate& coo)
+{
+	coo.Display(os) ;
+	return os;
+}
+
+CCoordinate& CCoordinate::operator=(const CCoordinate& coo)
+{
+	Set(coo.X,coo.Y,coo.Z);
+	return *this;
+}