operator - method
Implementation
EarthCenteredInertial operator -(EarthCenteredInertial other) {
return EarthCenteredInertial(x - other.x, y - other.y, z - other.z);
}
EarthCenteredInertial operator -(EarthCenteredInertial other) {
return EarthCenteredInertial(x - other.x, y - other.y, z - other.z);
}