```/* nag_quad_1d_gauss_wset (d01tbc) Example Program.
*
* Copyright 2014 Numerical Algorithms Group.
*
* Mark 23, 2011.
*/

#include <stdio.h>
#include <nag.h>
#include <nag_stdlib.h>
#include <nagd01.h>

int main(void)
{
Integer exit_status = 0;
Integer n;
double  a, b;
Integer i;
Nag_QuadType quadtype;
NagError fail;
double   *abscis = 0, *weight = 0;

INIT_FAIL(fail);

printf("nag_quad_1d_gauss_wset (d01tbc) Example Program Results\n");
/* Skip heading in data file */
scanf("%*[^\n] ");
/* Input a, b and n */
scanf("%lf %lf", &a, &b);
scanf("%ld%*[^\n] ", &n);
quadtype = Nag_Quad_Gauss_Laguerre_Adjusted;

if (!(abscis = NAG_ALLOC(n, double)) ||
!(weight = NAG_ALLOC(n, double)))
{
printf("Allocation failure\n");
exit_status = -1;
goto END;
}

/* nag_quad_1d_gauss_wset (d01tbc).
* Pre-computed weights and abscissae for
* Gaussian quadrature rules, restricted choice of rule.
*/
nag_quad_1d_gauss_wset(quadtype, a, b, n, weight, abscis, &fail);
if (fail.code != NE_NOERROR)
{
printf("Error from nag_quad_1d_gauss_wset (d01tbc).\n%s\n",
fail.message);
exit_status = 1;
goto END;
}

printf("\nLaguerre formula, %3ld points\n\n"
"    Abscissae        Weights\n\n", n);
for (i = 0; i < n; i++)
{
printf("%15.6e", abscis[i]);
printf("%15.6e\n", weight[i]);
}
printf("\n");

END:
NAG_FREE(abscis);
NAG_FREE(weight);

return exit_status;
}
```