```/* nag_mv_orthomax (g03bac) Example Program.
*
* Copyright 2017 Numerical Algorithms Group.
*
* Mark 26.2, 2017.
*
*/

#include <nag.h>
#include <stdio.h>
#include <nag_stdlib.h>
#include <nagg03.h>

#define R(I, J)   r[(I) *tdr + J]
#define FL(I, J)  fl[(I) *tdfl + J]
#define FLR(I, J) flr[(I) *tdfl + J]

int main(void)
{
Integer exit_status = 0, i, iter, j, k, maxit, nvar, tdfl, tdr;
double acc, *fl = 0, *flr = 0, g, *r = 0;
char nag_enum_arg[40];
Nag_RotationLoading stand;
NagError fail;

INIT_FAIL(fail);

printf("nag_mv_orthomax (g03bac) Example Program Results\n\n");

/* Skip heading in data file */
scanf("%*[^\n]");
scanf("%" NAG_IFMT "", &nvar);
scanf("%" NAG_IFMT "", &k);
scanf("%lf", &g);
scanf("%39s", nag_enum_arg);
scanf("%lf", &acc);
scanf("%" NAG_IFMT "", &maxit);

/* nag_enum_name_to_value (x04nac).
* Converts NAG enum member name to value
*/
stand = (Nag_RotationLoading) nag_enum_name_to_value(nag_enum_arg);

if (k >= 2 && nvar >= k) {
if (!(r = NAG_ALLOC(k * k, double)) ||
!(fl = NAG_ALLOC(nvar * k, double)) ||
!(flr = NAG_ALLOC(nvar * k, double)))
{
printf("Allocation failure\n");
exit_status = -1;
goto END;
}
tdr = k;
tdfl = k;
}
else {
printf("Invalid k or nvar.\n");
exit_status = 1;
return exit_status;
}
for (i = 0; i < nvar; ++i) {
for (j = 0; j < k; ++j)
scanf("%lf", &FL(i, j));
}
/* nag_mv_orthomax (g03bac).
* Orthogonal rotations for loading matrix
*/
nag_mv_orthomax(stand, g, nvar, k, fl, tdfl, flr, r, tdr, acc, maxit, &iter,
&fail);
if (fail.code != NE_NOERROR) {
printf("Error from nag_mv_orthomax (g03bac).\n%s\n", fail.message);
exit_status = 1;
goto END;
}

printf("\n     Rotated factor loadings\n\n");
for (i = 0; i < nvar; ++i) {
for (j = 0; j < k; ++j)
printf("  %8.3f", FLR(i, j));
printf("\n");
}
printf("\n     Rotation matrix\n\n");
for (i = 0; i < k; ++i) {
for (j = 0; j < k; ++j)
printf("  %8.3f", R(i, j));
printf("\n");
}

END:
NAG_FREE(r);
NAG_FREE(fl);
NAG_FREE(flr);

return exit_status;
}
```