/* nag_rand_compd_poisson (g05tkc) Example Program. * * Copyright 2008, Numerical Algorithms Group. * * Mark 9, 2009. */ /* Pre-processor includes */ #include #include #include #include #include int main(void) { /* Integer scalar and array declarations */ Integer exit_status = 0; Integer i, j, lstate; Integer *state = 0, *x = 0; /* NAG structures */ NagError fail; /* Set the distribution parameters */ Integer m = 5; double lambda[] = { 0.5e0, 5.0e0, 10.0e0, 500.0e0, 1000.0e0 }; /* Set the sample size */ Integer n = 10; /* Choose the base generator */ Nag_BaseRNG genid = Nag_Basic; Integer subid = 0; /* Set the seed */ Integer seed[] = { 1762543 }; Integer lseed = 1; /* Initialise the error structure */ INIT_FAIL(fail); printf( "nag_rand_compd_poisson (g05tkc) Example Program Results\n\n"); /* Get the length of the state array */ lstate = -1; nag_rand_init_repeatable(genid, subid, seed, lseed, state, &lstate, &fail); if (fail.code != NE_NOERROR) { printf("Error from nag_rand_init_repeatable (g05kfc).\n%s\n", fail.message); exit_status = 1; goto END; } /* Allocate arrays */ if (!(state = NAG_ALLOC(lstate, Integer)) || !(x = NAG_ALLOC(m, Integer))) { printf("Allocation failure\n"); exit_status = -1; goto END; } /* Initialise the generator to a repeatable sequence */ nag_rand_init_repeatable(genid, subid, seed, lseed, state, &lstate, &fail); if (fail.code != NE_NOERROR) { printf("Error from nag_rand_init_repeatable (g05kfc).\n%s\n", fail.message); exit_status = 1; goto END; } /* Generate and display n sets of the m variates*/ for (i = 0; i < n; i++) { /* Generate the variates */ nag_rand_compd_poisson(m, lambda, state, x, &fail); if (fail.code != NE_NOERROR) { printf("Error from nag_rand_compd_poisson (g05tkc).\n%s\n", fail.message); exit_status = 1; goto END; } /* Display the variates*/ printf("%12ld", i+1); for (j = 0; j < m; j++) printf("%12ld", x[j]); printf("\n"); } END: NAG_FREE(state); NAG_FREE(x); return exit_status; }