/* nag_stat_pdf_normal_vector (g01kqc) Example Program.
*
* Copyright 2024 Numerical Algorithms Group.
*
* Mark 30.1, 2024.
*/
#include <nag.h>
#include <stdio.h>
int main(void) {
/* Integer scalar and array declarations */
Integer lx, lxmu, lxstd, i, lout;
Integer *ivalid = 0;
Integer exit_status = 0;
/* NAG structures */
NagError fail;
Nag_Boolean ilog;
/* Double scalar and array declarations */
double *x = 0, *xmu = 0, *xstd = 0, *pdf = 0;
/* Character scalar and array declarations */
char cilog[40];
/* Initialize the error structure to print out any error messages */
INIT_FAIL(fail);
printf("nag_stat_pdf_normal_vector (g01kqc) Example Program Results\n\n");
/* Skip heading in data file */
scanf("%*[^\n] ");
/* Read in the flag indicating whether logs are required */
scanf("%39s%*[^\n] ", cilog);
ilog = (Nag_Boolean)nag_enum_name_to_value(cilog);
/* Read in the input vectors */
scanf("%" NAG_IFMT "%*[^\n] ", &lx);
if (!(x = NAG_ALLOC(lx, double))) {
printf("Allocation failure\n");
exit_status = -1;
goto END;
}
for (i = 0; i < lx; i++)
scanf("%lf", &x[i]);
scanf("%*[^\n] ");
scanf("%" NAG_IFMT "%*[^\n] ", &lxmu);
if (!(xmu = NAG_ALLOC(lxmu, double))) {
printf("Allocation failure\n");
exit_status = -1;
goto END;
}
for (i = 0; i < lxmu; i++)
scanf("%lf", &xmu[i]);
scanf("%*[^\n] ");
scanf("%" NAG_IFMT "%*[^\n] ", &lxstd);
if (!(xstd = NAG_ALLOC(lxstd, double))) {
printf("Allocation failure\n");
exit_status = -1;
goto END;
}
for (i = 0; i < lxstd; i++)
scanf("%lf", &xstd[i]);
scanf("%*[^\n] ");
/* Allocate memory for output */
lout = MAX(lx, MAX(lxmu, lxstd));
if (!(pdf = NAG_ALLOC(lout, double)) ||
!(ivalid = NAG_ALLOC(lout, Integer))) {
printf("Allocation failure\n");
exit_status = -1;
goto END;
}
/* Calculate probability */
nag_stat_pdf_normal_vector(ilog, lx, x, lxmu, xmu, lxstd, xstd, pdf, ivalid,
&fail);
if (fail.code != NE_NOERROR) {
printf("Error from nag_stat_pdf_normal_vector (g01kqc).\n%s\n",
fail.message);
exit_status = 1;
if (fail.code != NW_IVALID)
goto END;
}
/* Display title */
printf(" x xmu xstd pdf ivalid\n");
printf(" ------------------------------------------------\n");
/* Display results */
for (i = 0; i < lout; i++)
printf("%6.2f %6.2f %6.2f %9.3e %3" NAG_IFMT "\n", x[i % lx],
xmu[i % lxmu], xstd[i % lxstd], pdf[i], ivalid[i]);
END:
NAG_FREE(x);
NAG_FREE(xmu);
NAG_FREE(xstd);
NAG_FREE(pdf);
NAG_FREE(ivalid);
return (exit_status);
}