OpenXM_contrib/gmp/randlc.c - diff

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version 1.1, 2000/09/09 14:12:16

version 1.1.1.2, 2003/08/25 16:06:00

Line 2

linear congruential generator with multiplier A, adder C, and

modulus M.

This file is part of the GNU MP Library.

Line 25 MA 02111-1307, USA. */

#include "gmp-impl.h"

void

#if __STDC__

gmp_randinit_lc (gmp_randstate_t rstate,

mpz_t a,

mpz_srcptr a,

unsigned long int c,

mpz_t m)

mpz_srcptr m)

#else

gmp_randinit_lc (rstate, a, c, m)

gmp_randstate_t rstate;

mpz_t a;

unsigned long int c;

mpz_t m;

#endif

{

/* FIXME: Not finished. We don't handle this in _gmp_rand() yet. */

abort ();

mpz_init_set_ui (rstate->seed, 1);

mpz_init_set_ui (rstate->_mp_seed, 1);

_mpz_realloc (rstate->seed, ABSIZ (m));

_mpz_realloc (rstate->_mp_seed, ABSIZ (m));

/* Allocate algorithm specific data. */

rstate->algdata.lc = (__gmp_randata_lc *)

rstate->_mp_algdata._mp_lc = (__gmp_randata_lc *)

(*_mp_allocate_func) (sizeof (__gmp_randata_lc));

(*__gmp_allocate_func) (sizeof (__gmp_randata_lc));

mpz_init_set (rstate->algdata.lc->a, a);

mpz_init_set (rstate->_mp_algdata._mp_lc->_mp_a, a);

rstate->algdata.lc->c = c;

rstate->_mp_algdata._mp_lc->_mp_c = c;

mpz_init_set (rstate->algdata.lc->m, m);

mpz_init_set (rstate->_mp_algdata._mp_lc->_mp_m, m);

rstate->alg = GMP_RAND_ALG_LC;

rstate->_mp_alg = GMP_RAND_ALG_LC;

}