/* nag_stat_prob_gamma_vector (g01sfc) Example Program.
*
* Copyright 2023 Numerical Algorithms Group.
*
* Mark 29.3, 2023.
*/
#include <nag.h>
#include <stdio.h>
int main(void) {
/* Integer scalar and array declarations */
Integer ltail, lg, la, lb, i, lout;
Integer *ivalid = 0;
Integer exit_status = 0;
/* NAG structures */
NagError fail;
Nag_TailProbability *tail = 0;
/* Double scalar and array declarations */
double *g = 0, *a = 0, *b = 0, *p = 0;
/* Character scalar and array declarations */
char ctail[40];
/* Initialize the error structure to print out any error messages */
INIT_FAIL(fail);
printf("nag_stat_prob_gamma_vector (g01sfc) Example Program Results\n\n");
/* Skip heading in data file */
scanf("%*[^\n] ");
/* Read in the input vectors */
scanf("%" NAG_IFMT "%*[^\n] ", <ail);
if (!(tail = NAG_ALLOC(ltail, Nag_TailProbability))) {
printf("Allocation failure\n");
exit_status = -1;
goto END;
}
for (i = 0; i < ltail; i++) {
scanf("%39s", ctail);
tail[i] = (Nag_TailProbability)nag_enum_name_to_value(ctail);
}
scanf("%*[^\n] ");
scanf("%" NAG_IFMT "%*[^\n] ", &lg);
if (!(g = NAG_ALLOC(lg, double))) {
printf("Allocation failure\n");
exit_status = -1;
goto END;
}
for (i = 0; i < lg; i++)
scanf("%lf", &g[i]);
scanf("%*[^\n] ");
scanf("%" NAG_IFMT "%*[^\n] ", &la);
if (!(a = NAG_ALLOC(la, double))) {
printf("Allocation failure\n");
exit_status = -1;
goto END;
}
for (i = 0; i < la; i++)
scanf("%lf", &a[i]);
scanf("%*[^\n] ");
scanf("%" NAG_IFMT "%*[^\n] ", &lb);
if (!(b = NAG_ALLOC(lb, double))) {
printf("Allocation failure\n");
exit_status = -1;
goto END;
}
for (i = 0; i < lb; i++)
scanf("%lf", &b[i]);
scanf("%*[^\n] ");
/* Allocate memory for output */
lout = MAX(ltail, MAX(lg, MAX(la, lb)));
if (!(p = NAG_ALLOC(lout, double)) || !(ivalid = NAG_ALLOC(lout, Integer))) {
printf("Allocation failure\n");
exit_status = -1;
goto END;
}
/* Calculate probability */
nag_stat_prob_gamma_vector(ltail, tail, lg, g, la, a, lb, b, p, ivalid,
&fail);
if (fail.code != NE_NOERROR) {
printf("Error from nag_stat_prob_gamma_vector (g01sfc).\n%s\n",
fail.message);
exit_status = 1;
if (fail.code != NW_IVALID)
goto END;
}
/* Display title */
printf(" tail g a b ");
printf("p ivalid\n");
printf(" --------------------------------------------");
printf("----------------------\n");
/* Display results */
for (i = 0; i < lout; i++)
printf(" %15s %6.2f %6.2f %6.2f %6.3f %3" NAG_IFMT "\n",
nag_enum_value_to_name(tail[i % ltail]), g[i % lg], a[i % la],
b[i % lb], p[i], ivalid[i]);
END:
NAG_FREE(tail);
NAG_FREE(g);
NAG_FREE(a);
NAG_FREE(b);
NAG_FREE(p);
NAG_FREE(ivalid);
return (exit_status);
}