/* nag_stat_inv_cdf_f_vector (g01tdc) Example Program.
 *
 * Copyright 2021 Numerical Algorithms Group.
 *
 * Mark 27.2, 2021.
 */
#include <nag.h>
#include <stdio.h>

int main(void) {
  /* Integer scalar and array declarations */
  Integer ltail, lp, ldf1, ldf2, i, lout;
  Integer *ivalid = 0;
  Integer exit_status = 0;

  /* NAG structures */
  NagError fail;
  Nag_TailProbability *tail = 0;

  /* Double scalar and array declarations */
  double *p = 0, *df1 = 0, *df2 = 0, *f = 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_inv_cdf_f_vector (g01tdc) Example Program Results\n\n");

  /* Skip heading in data file */
  scanf("%*[^\n] ");

  /* Read in the input vectors */
  scanf("%" NAG_IFMT "%*[^\n] ", &ltail);
  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] ", &lp);
  if (!(p = NAG_ALLOC(lp, double))) {
    printf("Allocation failure\n");
    exit_status = -1;
    goto END;
  }
  for (i = 0; i < lp; i++)
    scanf("%lf", &p[i]);
  scanf("%*[^\n] ");
  scanf("%" NAG_IFMT "%*[^\n] ", &ldf1);
  if (!(df1 = NAG_ALLOC(ldf1, double))) {
    printf("Allocation failure\n");
    exit_status = -1;
    goto END;
  }
  for (i = 0; i < ldf1; i++)
    scanf("%lf", &df1[i]);
  scanf("%*[^\n] ");
  scanf("%" NAG_IFMT "%*[^\n] ", &ldf2);
  if (!(df2 = NAG_ALLOC(ldf2, double))) {
    printf("Allocation failure\n");
    exit_status = -1;
    goto END;
  }
  for (i = 0; i < ldf2; i++)
    scanf("%lf", &df2[i]);
  scanf("%*[^\n] ");

  /* Allocate memory for output */
  lout = MAX(ltail, MAX(lp, MAX(ldf1, ldf2)));
  if (!(f = NAG_ALLOC(lout, double)) || !(ivalid = NAG_ALLOC(lout, Integer))) {
    printf("Allocation failure\n");
    exit_status = -1;
    goto END;
  }

  /* Calculate probability */
  nag_stat_inv_cdf_f_vector(ltail, tail, lp, p, ldf1, df1, ldf2, df2, f, ivalid,
                            &fail);
  if (fail.code != NE_NOERROR) {
    printf("Error from nag_stat_inv_cdf_f_vector (g01tdc).\n%s\n",
           fail.message);
    exit_status = 1;
    if (fail.code != NW_IVALID)
      goto END;
  }

  /* Display title */
  printf("        tail          p        df1       df2       f     ivalid\n");
  printf(" ---------------------------------------------------------------\n");

  /* Display results */
  for (i = 0; i < lout; i++)
    printf(" %15s  %6.3f    %6.2f    %6.2f   %7.3f    %3" NAG_IFMT "\n",
           nag_enum_value_to_name(tail[i % ltail]), p[i % lp], df1[i % ldf1],
           df2[i % ldf2], f[i], ivalid[i]);

END:
  NAG_FREE(tail);
  NAG_FREE(p);
  NAG_FREE(df1);
  NAG_FREE(df2);
  NAG_FREE(f);
  NAG_FREE(ivalid);

  return (exit_status);
}