/* nag_rngs_poisson(g05mkc) Example Program. * * Copyright 2001 Numerical Algorithms Group. * * Mark 7, 2001. */ #include #include #include #include int main(void) { /* Scalars */ double lambda; Integer i, igen, n, nr; Integer exit_status=0; NagError fail; /* Arrays */ double *r=0; Integer *x=0; Integer iseed[4]; INIT_FAIL(fail); Vprintf("g05mkc Example Program Results\n\n"); nr = 120; n = 10; /* Allocate memory */ if ( !(r = NAG_ALLOC(nr, double)) || !(x = NAG_ALLOC(n, Integer)) ) { Vprintf("Allocation failure\n"); exit_status = -1; goto END; } /* Set the distribution parameter LAMBDA */ lambda = 20.0; /* Initialise the seed to a repeatable sequence */ iseed[0] = 1762543; iseed[1] = 9324783; iseed[2] = 42344; iseed[3] = 742355; /* igen identifies the stream. */ igen = 1; g05kbc(&igen, iseed); /* Generate reference vector R */ g05mkc(0, lambda, n, x, igen, iseed, r, &fail); if (fail.code != NE_NOERROR) { Vprintf("Error from g05mkc.\n%s\n", fail.message); exit_status = 1; goto END; } /* Generate integers and store in X */ g05mkc(1, lambda, n, x, igen, iseed, r, &fail); if (fail.code != NE_NOERROR) { Vprintf("Error from g05mkc.\n%s\n", fail.message); exit_status = 1; goto END; } for (i = 0; i < n; ++i) { Vprintf("%12ld\n", x[i]); } END: if (r) NAG_FREE(r); if (x) NAG_FREE(x); return exit_status; }