Xcode gives me 3 "Apple Mach-O Linker (Id) Error" errors. But, when I click them it doesn't direct me to a line in my code, so I don't know what/where the problem is. I know others have asked this question, but all of the solutions that I could find were specific to each individual's code. I am learning C++, so these errors are coming as part of a beginner program I'm working on.
Apple Mach-O Linker (Id) Error "SensorNode::SensorNode(char*, float, float, float, int, float)", referenced from: Apple Mach-O Linker (Id) Error "LOCATION::LOCATION()", referenced from: Apple Mach-O Linker (Id) Error Linker command failed with exit code 1 (use -v to see invocation)
If it helps, I'll put my code here:
here's my "sensor_node.h"
#ifndef SENSORNODE_H
#define SENSORNODE_H
#include <iostream>
class LOCATION {
float lat, longi, height;
public:
LOCATION ();
void setx(float xx);
void sety(float yy);
void setz(float zz);
void print();
};
class SensorNode {
char* NodeName;
int NodeID;
LOCATION Node1;
float batt;
int func;
public:
SensorNode(char *n, float x, float y, float z, int i, float ah);
void print();
void setOK(int o);
int getOK();
void setLOC(float longi, float lat, float h);
};
#endif /* defined(__Project_3__sensor_node__) */
here's my sensor_node.cpp:
#include "sensor_node.h"
//#include <iostream>
using namespace std;
void LOCATION::setx(float xx) {
lat = xx;
if (lat > 180.0 || lat < -180.0) {
cout << "Latitude is not in the -180 to 180 degree range";
lat = 0.0;
}
}
void LOCATION::sety(float yy) {
longi = yy;
if (longi > 180.0 || longi < -180.0) {
cout << "Latitude is not in the -180 to 180 degree range";
longi = 0.0;
}
}
void LOCATION::setz(float zz) {
height = zz;
}
void LOCATION::print() {
cout << "(LONGITUDE: " << longi << " ,LATITUDE: " << lat << " ,HEIGHT: " << height << " )";
}
and here's my main.cpp:
#include <iostream>
using namespace std;
#include "sensor_node.h"
int main() {
LOCATION a; SensorNode s1("Pulse",15.9,-30.1,0,157,2.0);
cout << "Beginning LOCATION tests.\n\n";
cout << " After initial construction: ";
a.print();
cout << "\n";
a.setx(-45.3);
a.sety(27.6);
a.setz(3.5);
cout << " After setting x/y/z to -45.3/27.6/3.5: ";
a.print();
cout << "\n";
cout << " After attempting to set longitude to 180.1: ";
a.setx(180.1);
a.print();
cout << "\n";
cout << " After attempting to set longitude to -180.1: ";
a.setx(-180.1);
a.print();
cout << "\n";
cout << " After attempting to set latitude to 180.1: ";
a.sety(180.1);
a.print();
cout << "\n";
cout << " After attempting to set latitude to -180.1: ";
a.sety(-180.1);
a.print();
cout << "\n";
/*
cout << "\n\n\n\nBeginning sensor node tests.\n\n";
cout << " After initial construction:";
s1.print();
cout << "\n Printing the value returned by getOK: " << s1.getOK();
cout << "\n After changing location to 20/30/40:";
s1.setLOC(20,30,40);
s1.print();
cout << "\n After trying to set location illegally:";
s1.setLOC(181, -181, 10);
s1.print();
cout << "\n Node fails, then try to change location:";
s1.setOK(0);
s1.setLOC(5,10,15);
s1.print();
cout << "\n Printing the value returned by getOK: " << s1.getOK();
cout << "\n\n\n End of tests.\n";
cout << "Enter an integer to quit: ";
cin >> hold;
*/
return 0;
}