Changed order of samples directory, started with aviation classes.

src/blackmisc/avaltitude.cpp

@@ -0,0 +1,42 @@
+#include "avaltitude.h"
+
+namespace BlackMisc {
+
+/**
+ * Own implementation for streaming
+ */
+QString CAltitude::stringForStreamingOperator() const
+{
+    QString s = CLength::stringForStreamingOperator();
+    return s.append(this->m_msl ? " MSL" : " AGL");
+}
+
+/**
+ * Assigment
+ */
+CAltitude& CAltitude::operator =(const CAltitude &otherAltitude)
+{
+    // Check for self-assignment!
+    if (this == &otherAltitude)  return *this;
+    CLength::operator = (otherAltitude);
+    this->m_msl = otherAltitude.m_msl;
+    return (*this);
+}
+
+/**
+ * Equal?
+ */
+bool CAltitude::operator ==(const CAltitude &otherAltitude)
+{
+    return otherAltitude.m_msl == this->m_msl && CLength::operator ==(otherAltitude);
+}
+
+/**
+ * Unequal?
+ */
+bool CAltitude::operator !=(const CAltitude &otherAltitude)
+{
+    return !((*this) == otherAltitude);
+}
+
+} // namespace