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#include "my16807.h"
#include <testu01/unif01.h>
#include <testu01/util.h>
#include <testu01/addstr.h>
#include <string.h>
typedef struct { double S; } My16807_state;
static double My16807_U01 (void *par, void *sta)
{
My16807_state *state = sta;
long k;
state->S *= 16807.0;
k = state->S / 2147483647.0;
state->S -= k * 2147483647.0;
return (state->S * 4.656612875245797E-10);
}
static unsigned long My16807_Bits (void *par, void *sta)
{
return (unsigned long) (My16807_U01 (par, sta) * 4294967296.0);
}
static void WrMy16807 (void *sta)
{
My16807_state *state = sta;
printf (" S = %.0f\n", state->S);
}
unif01_Gen *CreateMy16807 (int s)
{
unif01_Gen *gen;
My16807_state *state;
size_t leng;
char name[60];
gen = util_Malloc (sizeof (unif01_Gen));
gen->state = state = util_Malloc (sizeof (My16807_state));
state->S = s;
gen->param = NULL;
gen->Write = WrMy16807;
gen->GetU01 = My16807_U01;
gen->GetBits = My16807_Bits;
strcpy (name, "My LCG implementation for a = 16807:");
addstr_Int (name, " s = ", s);
leng = strlen (name);
gen->name = util_Calloc (leng + 1, sizeof (char));
strncpy (gen->name, name, leng);
return gen;
}
void DeleteMy16807 (unif01_Gen * gen)
{
gen->state = util_Free (gen->state);
gen->name = util_Free (gen->name);
util_Free (gen);
}
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