/* nag_mills_ratio (g01mbc) Example Program.
 *
 * Copyright 2001 Numerical Algorithms Group.
 *
 * Mark 7, 2001.
 */

#include <stdio.h>
#include <nag.h>
#include <nag_stdlib.h>
#include <nagg01.h>

int main(void)
{
  /* Scalars */
  double rm, x, xmu, xsig, z__;
  Integer exit_status, i;

  exit_status = 0;
  Vprintf("nag_mills_ratio (g01mbc) Example Program Results\n");

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

  Vprintf("\n%2sMean%5sSigma%4sX%8sReciprocal",   "",  "",  "",  "");
  Vprintf("\n                             Mills Ratio\n\n");
  for (i = 1; i <= 3; ++i)
    {

      Vscanf("%lf%lf%lf%*[^\n] ",   &x,  &xmu,  &xsig);
      z__ = (x - xmu) / xsig;
      /* nag_mills_ratio (g01mbc).
       * Computes reciprocal of Mills' Ratio
       */
      rm = nag_mills_ratio(z__) / xsig;
      Vprintf("%7.4f%2s%7.4f%2s%7.4f%2s%7.4f", xmu, "", xsig, "", x, "", rm);
      Vprintf("\n");
    }
  return exit_status;
}