[GiNaC-list] Compilation

[Pedro Sosa]

 many thanks it works

    En miércoles, 13 de marzo de 2019 16:59:09 CET, Patrick Schulz <pschulz at posteo.de> escribió:  
 
  
Hello Pedro,
 
that is more a matter of your compiler and your system than of GiNaC.
 Since you are on ubunte and ginac.h is already in /usr/include/..., the program can be compiled with 
 
 
       g++ program.cpp -lginac
 
(-lginac tells the linker to load the library).
 
However, your program has an error, since poly is not defined. Add
 
ex poly;
 
above your for-loop, then it runs fine.
 
Kind regards,
 
Patrick
 
 On 3/13/19 4:30 PM, Pedro Sosa via GiNaC-list wrote:
  
 
       Hello, I install in my Ubuntu Ginac but I don't know how to compile a basic example 
   #include <iostream>
#include <ginac/ginac.h>
using namespace std;
using namespace GiNaC;

int main()
{
    symbol x("x"), y("y");

    for (int i=0; i<3; ++i)
        poly += factorial(i+16)*pow(x,i)*pow(y,2-i);

    cout << poly << endl;
    return 0;
} 
  where I must put this file for ginac.h can be visible thanks 
  PS: /usr/include/ginac/ginac.h
         
  
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