```/* nag_rand_matrix_2waytable (g05pzc) Example Program.
*
* Copyright 2020 Numerical Algorithms Group.
*
* Mark 27.1, 2020.
*/
/* Pre-processor includes */
#include <math.h>
#include <nag.h>
#include <stdio.h>

#define X(I, J) x[I * pdx + J]

int main(void) {
/* Integer scalar and array declarations */
Integer exit_status = 0;
Integer lr, i, j, lstate, rctot, x_size;
Integer *state = 0, *x = 0;
Integer pdx;

/* NAG structures */
NagError fail;
Nag_ModeRNG mode;

/* Double scalar and array declarations */
double *r = 0;

/* Set the size of the table and the row and column totals */
Integer nrow = 3;
Integer ncol = 4;
Integer totr[] = {16, 17, 17};
Integer totc[] = {9, 11, 7, 23};

/* Choose the base generator */
Nag_BaseRNG genid = Nag_Basic;
Integer subid = 0;

/* Set the seed */
Integer seed[] = {1762543};
Integer lseed = 1;

/* Initialize the error structure */
INIT_FAIL(fail);

printf("nag_rand_matrix_2waytable (g05pzc) Example Program Results\n\n");

/* Get the length of the state array */
lstate = -1;
nag_rand_init_repeat(genid, subid, seed, lseed, state, &lstate, &fail);
if (fail.code != NE_NOERROR) {
printf("Error from nag_rand_init_repeat (g05kfc).\n%s\n", fail.message);
exit_status = 1;
goto END;
}

/* Calculate the grand total */
for (i = 0, rctot = 0; i < nrow; i++)
rctot += totr[i];

/* Calculate the size of the reference vector */
lr = 5 + rctot;

pdx = ncol;
x_size = pdx * nrow;

/* Allocate arrays */
if (!(r = NAG_ALLOC(lr, double)) || !(state = NAG_ALLOC(lstate, Integer)) ||
!(x = NAG_ALLOC(x_size, Integer))) {
printf("Allocation failure\n");
exit_status = -1;
goto END;
}

/* Initialize the generator to a repeatable sequence */
nag_rand_init_repeat(genid, subid, seed, lseed, state, &lstate, &fail);
if (fail.code != NE_NOERROR) {
printf("Error from nag_rand_init_repeat (g05kfc).\n%s\n", fail.message);
exit_status = 1;
goto END;
}

/* Generate the random table */
mode = Nag_InitializeAndGenerate;
nag_rand_matrix_2waytable(mode, nrow, ncol, totr, totc, r, lr, state, x, pdx,
&fail);
if (fail.code != NE_NOERROR) {
printf("Error from nag_rand_matrix_2waytable (g05pzc).\n%s\n",
fail.message);
exit_status = 1;
goto END;
}

/* Display the results */
for (i = 0; i < nrow; i++) {
printf(" ");
for (j = 0; j < ncol; j++)
printf("%4" NAG_IFMT "%s", X(i, j), (j + 1) % ncol ? " " : " | ");
printf("%5" NAG_IFMT "", totr[i]);
printf("\n");
}
printf("  -------------------+-------\n ");
for (j = 0; j < ncol; j++)
printf("%4" NAG_IFMT "%s", totc[j], (j + 1) % ncol ? " " : " | ");
printf("%5" NAG_IFMT "", rctot);
printf("\n");

END:
NAG_FREE(r);
NAG_FREE(state);
NAG_FREE(x);

return exit_status;
}
```