/* nag_stat_prob_gamma (g01efc) Example Program.
*
* Copyright 2021 Numerical Algorithms Group.
*
* Mark 27.3, 2021.
*/
#include <nag.h>
#include <stdio.h>
int main(void) {
Integer exit_status = 0;
double a, b, g, p;
NagError fail;
INIT_FAIL(fail);
/* Skip heading in data file */
scanf("%*[^\n]");
printf("nag_stat_prob_gamma (g01efc) Example Program Results\n");
printf(" Gamma deviate Alpha Beta Lower tail prob.\n\n");
while (scanf("%lf %lf %lf", &g, &a, &b) != EOF)
{
/* nag_stat_prob_gamma (g01efc).
* Probabilities for the gamma distribution
*/
p = nag_stat_prob_gamma(Nag_LowerTail, g, a, b, &fail);
if (fail.code != NE_NOERROR) {
printf("Error from nag_stat_prob_gamma (g01efc).\n%s\n", fail.message);
exit_status = 1;
goto END;
}
printf(" %9.2f%13.2f%9.2f%14.4f\n", g, a, b, p);
}
END:
return exit_status;
}