#include "poly.h"

int
main(void)
{
  Polynomial p1, p2, result;

  poly_initialize(&p1);
  poly_initialize(&p2);
  poly_initialize(&result);
  
  printf("Polynomials are given as lists of coefficient exponent\n"
	 "pairs, terminated by the term '0 0'.\n\n");

  printf("Enter polynomial 1: ");
  poly_read(&p1, stdin);
  printf("Enter polynomial 2: ");
  poly_read(&p2, stdin);

  printf("\nPolynomial 1: ");
  poly_write(&p1, stdout);
  printf("\nPolynomial 2: ");
  poly_write(&p2, stdout);
  printf("\n\nSum: ");
  fflush(stdout);

  poly_add(&p1, &p2, &result);
  poly_write(&result, stdout);
  list_destroy(&result);
  printf("\n");
  printf("Product: ");
  fflush(stdout);

  poly_multiply(&p1, &p2, &result);
  poly_write(&result, stdout);
  printf("\n");

  return 0;
}