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Error undefined reference. - Compile

titan88 (17)
Hi All, I am getting an error for undefined reference. I am not sure what it could be as the compiler doesnt give me a line but only the program and the functions.
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invoice_client.cpp:(.text+0x199): undefined reference to `invoice::set_partnum(std::string)'
invoice_client.cpp:(.text+0x1b8): undefined reference to `invoice::get_partnum()'
collect2: error: ld returned 1 exit status


here is my header 
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#ifndef invoice_h_
#define invoice_h_

#include <iostream>
#include <string>


class invoice
{
public:
	invoice(std::string partNum,
			std::string partDesc,
			int reqQty, 
			double price);
	invoice();
	~invoice();
//----------------------------------------------------
   	//Qty
   	void qty(int req);
//----------------------------------------------------
   	// Get Partnum
   	const std::string get_partnum();
    //----------------------------------------------------
   	// Get Partnum
   	const std::string get_partdesc();
   	//----------------------------------------------------
   	// Get Partnum
   	const int get_qty();
   	//----------------------------------------------------
   	// Get Partnum
   	const double get_price();
//----------------------------------------------------
   	// Set Partnum
   	void set_partnum(std::string sPartnum);
   	//----------------------------------------------------
   	// Set Partdesc
   	void set_partdesc(std::string sPartdesc);
   	//----------------------------------------------------
   	// Set Qty
   	void set_qty( int sqty);
   	//----------------------------------------------------
   	// Set price
   	void set_price( double sprice);
//----------------------------------------------------
   	//Invoice Amt
   	const double get_invoice() const;
//----------------------------------------------------
   	//display string
   	const std::string asstring() const;  	
	
private:
	//----------------------------------------------------
	//Part number
	std::string m_partNum;
	//----------------------------------------------------
	//Part Description
	std::string m_partDesc;
	//----------------------------------------------------
	//Price
	double m_price;
	//----------------------------------------------------
	//Qty
	int m_qty;


};

#endif


Definitions 
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#include <iostream>
#include <sstream>
#include <string>
#include <stdlib.h>
#include "invoice.h"
using namespace std;


//----------------------------------------------------
//Invoice Default
invoice::invoice(){
	m_partNum = "0";
	m_partDesc = "0";
	m_qty = 0;
	m_price = 0;
}
invoice::invoice(std::string partNum, 
				std::string partDesc,
				int reqQty, 
				double price){
		m_partNum = partNum;
		m_partDesc = partDesc;
		m_qty = reqQty;
		m_price = reqQty;
}
invoice::~invoice(){	
}
//----------------------------------------------------
//get balance
const double invoice::get_invoice() const{
	return m_qty * m_price;
}
//----------------------------------------------------
   	// Set Partnum
   	void set_partnum(std::string sPartnum){
   		std::string m_partNum = sPartnum;
   	}
   	//----------------------------------------------------
   	// Set Partdesc
   	void set_partdesc(std::string sPartdesc){
   		std::string m_partDesc = sPartdesc;
   	}
   	//----------------------------------------------------
   	// Set Qty
   	void set_qty( int sqty){
   		int m_qty = sqty;
   	}
   	//----------------------------------------------------
   	// Set price
   	void set_price( double sprice){
   		double m_price = sprice;
   	}
//----------------------------------------------------
//display
const std::string invoice::asstring() const{
	ostringstream oss;

	oss << "Part# : " << m_partNum << "\n"
		   "Part Desc : " << m_partDesc << "\n"
		   "Qty : " << m_qty << "\n"
		   "Price : " << m_price;
	return oss.str();
}

Program file 
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#include <iostream>
#include <string>

#include "invoice.h"

using namespace std;

std::string in_prtnum;

int main(){
//---------------------------------------------
//Define 2 Accounts
	invoice inv1;
	cout << inv1.asstring() << endl;
	invoice inv2("DSK232", "Screws", 12, 21.10);
	cout << inv2.asstring() << endl;

//*---------------------------------------------
//Set PartNum
	cout << "Please provide a Part# to this unknown part: "<< endl;
	::in_prtnum;
	cin >> ::in_prtnum;	
	inv1.set_partnum(in_prtnum);

cout << "How much would you like to deposit into ACCT: "
		 << inv1.get_partnum();
	return 0;

}

Last edited on
ne555 (10692)
http://www.cplusplus.com/forum/general/113904/
It's a case of «you did not define...»
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// Set Partnum
void invoice::set_partnum(std::string sPartnum){
	std::string m_partNum = sPartnum;
}
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