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#include <float.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifndef DECIMAL_DIG
# define DECIMAL_DIG 21
#endif
int
main (void)
{
unsigned short int xs[3] = { 0x0001, 0x0012, 0x0123 };
unsigned short int lxs[7];
unsigned short int *xsp;
int result = 0;
long int l;
double d;
double e;
/* Test srand48. */
srand48 (0x98765432);
/* Get the values of the internal Xi array. */
xsp = seed48 (xs);
if (xsp[0] != 0x330e || xsp[1] != 0x5432 || xsp[2] != 0x9876)
{
puts ("srand48(0x98765432) didn't set correct value");
printf (" expected: { %04hx, %04hx, %04hx }\n", 0x330e, 0x5432, 0x9876);
printf (" seen: { %04hx, %04hx, %04hx }\n", xsp[0], xsp[1], xsp[2]);
result = 1;
}
/* Put the values back. */
memcpy (xs, xsp, sizeof (xs));
(void) seed48 (xs);
/* See whether the correct values are installed. */
l = lrand48 ();
if (l != 0x2fed1413l)
{
printf ("lrand48() in line %d failed: expected %lx, seen %lx\n",
__LINE__ - 4, 0x2fed1413l, l);
result = 1;
}
l = mrand48 ();
if (l != -0x5d73effdl)
{
printf ("mrand48() in line %d failed: expected %lx, seen %lx\n",
__LINE__ - 4, -0x5d73effdl, l);
result = 1;
}
l = lrand48 ();
if (l != 0x585fcfb7l)
{
printf ("lrand48() in line %d failed: expected %lx, seen %lx\n",
__LINE__ - 4, 0x585fcfb7l, l);
result = 1;
}
l = mrand48 ();
if (l != -0x61770b8cl)
{
printf ("mrand48() in line %d failed: expected %lx, seen %lx\n",
__LINE__ - 4, -0x61770b8cl, l);
result = 1;
}
/* Test seed48. The previous call should have install the values in
the initialization of `xs' above. */
xs[0] = 0x1234;
xs[1] = 0x5678;
xs[2] = 0x9012;
xsp = seed48 (xs);
if (xsp[0] != 0x62f2 || xsp[1] != 0xf474 || xsp[2] != 0x9e88)
{
puts ("seed48() did not install the values correctly");
printf (" expected: { %04hx, %04hx, %04hx }\n", 0x62f2, 0xf474, 0x9e88);
printf (" seen: { %04hx, %04hx, %04hx }\n", xsp[0], xsp[1], xsp[2]);
result = 1;
}
/* Test lrand48 and mrand48. We continue from the seed established
above. */
l = lrand48 ();
if (l != 0x017e48b5l)
{
printf ("lrand48() in line %d failed: expected %lx, seen %lx\n",
__LINE__ - 4, 0x017e48b5l, l);
result = 1;
}
l = mrand48 ();
if (l != -0x1485e05dl)
{
printf ("mrand48() in line %d failed: expected %lx, seen %lx\n",
__LINE__ - 4, -0x1485e05dl, l);
result = 1;
}
l = lrand48 ();
if (l != 0x6b6a3f95l)
{
printf ("lrand48() in line %d failed: expected %lx, seen %lx\n",
__LINE__ - 4, 0x6b6a3f95l, l);
result = 1;
}
l = mrand48 ();
if (l != 0x175c0d6fl)
{
printf ("mrand48() in line %d failed: expected %lx, seen %lx\n",
__LINE__ - 4, 0x175c0d6fl, l);
result = 1;
}
/* Test lcong48. */
lxs[0] = 0x4567;
lxs[1] = 0x6789;
lxs[2] = 0x8901;
lxs[3] = 0x0123;
lxs[4] = 0x2345;
lxs[5] = 0x1111;
lxs[6] = 0x2222;
lcong48 (lxs);
/* See whether the correct values are installed. */
l = lrand48 ();
if (l != 0x6df63d66l)
{
printf ("lrand48() in line %d failed: expected %lx, seen %lx\n",
__LINE__ - 4, 0x6df63d66l, l);
result = 1;
}
l = mrand48 ();
if (l != 0x2f92c8e1l)
{
printf ("mrand48() in line %d failed: expected %lx, seen %lx\n",
__LINE__ - 4, 0x2f92c8e1l, l);
result = 1;
}
l = lrand48 ();
if (l != 0x3b4869ffl)
{
printf ("lrand48() in line %d failed: expected %lx, seen %lx\n",
__LINE__ - 4, 0x3b4869ffl, l);
result = 1;
}
l = mrand48 ();
if (l != 0x5cd4cc3el)
{
printf ("mrand48() in line %d failed: expected %lx, seen %lx\n",
__LINE__ - 4, 0x5cd4cc3el, l);
result = 1;
}
/* Check whether srand48() restores the A and C parameters. */
srand48 (0x98765432);
/* See whether the correct values are installed. */
l = lrand48 ();
if (l != 0x2fed1413l)
{
printf ("lrand48() in line %d failed: expected %lx, seen %lx\n",
__LINE__ - 4, 0x2fed1413l, l);
result = 1;
}
l = mrand48 ();
if (l != -0x5d73effdl)
{
printf ("mrand48() in line %d failed: expected %lx, seen %lx\n",
__LINE__ - 4, -0x5d73effdl, l);
result = 1;
}
l = lrand48 ();
if (l != 0x585fcfb7l)
{
printf ("lrand48() in line %d failed: expected %lx, seen %lx\n",
__LINE__ - 4, 0x585fcfb7l, l);
result = 1;
}
l = mrand48 ();
if (l != -0x61770b8cl)
{
printf ("mrand48() in line %d failed: expected %lx, seen %lx\n",
__LINE__ - 4, -0x61770b8cl, l);
result = 1;
}
/* And again to see whether seed48() does the same. */
lcong48 (lxs);
/* See whether lxs wasn't modified. */
l = lrand48 ();
if (l != 0x6df63d66l)
{
printf ("lrand48() in line %d failed: expected %lx, seen %lx\n",
__LINE__ - 4, 0x6df63d66l, l);
result = 1;
}
/* Test seed48. The previous call should have install the values in
the initialization of `xs' above. */
xs[0] = 0x1234;
xs[1] = 0x5678;
xs[2] = 0x9012;
xsp = seed48 (xs);
if (xsp[0] != 0x0637 || xsp[1] != 0x7acd || xsp[2] != 0xdbec)
{
puts ("seed48() did not install the values correctly");
printf (" expected: { %04hx, %04hx, %04hx }\n", 0x0637, 0x7acd, 0xdbec);
printf (" seen: { %04hx, %04hx, %04hx }\n", xsp[0], xsp[1], xsp[2]);
result = 1;
}
/* Test lrand48 and mrand48. We continue from the seed established
above. */
l = lrand48 ();
if (l != 0x017e48b5l)
{
printf ("lrand48() in line %d failed: expected %lx, seen %lx\n",
__LINE__ - 4, 0x017e48b5l, l);
result = 1;
}
l = mrand48 ();
if (l != -0x1485e05dl)
{
printf ("mrand48() in line %d failed: expected %lx, seen %lx\n",
__LINE__ - 4, -0x1485e05dl, l);
result = 1;
}
l = lrand48 ();
if (l != 0x6b6a3f95l)
{
printf ("lrand48() in line %d failed: expected %lx, seen %lx\n",
__LINE__ - 4, 0x6b6a3f95l, l);
result = 1;
}
l = mrand48 ();
if (l != 0x175c0d6fl)
{
printf ("mrand48() in line %d failed: expected %lx, seen %lx\n",
__LINE__ - 4, 0x175c0d6fl, l);
result = 1;
}
/* Test drand48. */
d = drand48 ();
if (d != 0.0908832261858485424)
{
printf ("drand48() in line %d failed: expected %.*g, seen %.*g\n",
__LINE__ - 4, DECIMAL_DIG, 0.0908832261858485424,
DECIMAL_DIG, d);
result = 1;
}
d = drand48 ();
if (d != 0.943149381730059133133)
{
printf ("drand48() in line %d failed: expected %.*g, seen %.*g\n",
__LINE__ - 4, DECIMAL_DIG, 0.943149381730059133133,
DECIMAL_DIG, d);
result = 1;
}
/* Now the functions which get the Xis passed. */
xs[0] = 0x3849;
xs[1] = 0x5061;
xs[2] = 0x7283;
l = nrand48 (xs);
if (l != 0x1efe61a1l)
{
printf ("nrand48() in line %d failed: expected %lx, seen %lx\n",
__LINE__ - 4, 0x1efe61a1l, l);
result = 1;
}
l = jrand48 (xs);
if (l != -0xa973860l)
{
printf ("jrand48() in line %d failed: expected %lx, seen %lx\n",
__LINE__ - 4, -0xa973860l, l);
result = 1;
}
l = nrand48 (xs);
if (l != 0x2a5e57fel)
{
printf ("nrand48() in line %d failed: expected %lx, seen %lx\n",
__LINE__ - 4, 0x2a5e57fel, l);
result = 1;
}
l = jrand48 (xs);
if (l != 0x71a779a8l)
{
printf ("jrand48() in line %d failed: expected %lx, seen %lx\n",
__LINE__ - 4, 0x71a779a8l, l);
result = 1;
}
/* Test whether the global A and C are used. */
lcong48 (lxs);
l = nrand48 (xs);
if (l != 0x32beee9fl)
{
printf ("nrand48() in line %d failed: expected %lx, seen %lx\n",
__LINE__ - 4, 0x32beee9fl, l);
result = 1;
}
l = jrand48 (xs);
if (l != 0x7bddf3bal)
{
printf ("jrand48() in line %d failed: expected %lx, seen %lx\n",
__LINE__ - 4, 0x7bddf3bal, l);
result = 1;
}
l = nrand48 (xs);
if (l != 0x85bdf28l)
{
printf ("nrand48() in line %d failed: expected %lx, seen %lx\n",
__LINE__ - 4, 0x85bdf28l, l);
result = 1;
}
l = jrand48 (xs);
if (l != 0x7b433e47l)
{
printf ("jrand48() in line %d failed: expected %lx, seen %lx\n",
__LINE__ - 4, 0x7b433e47l, l);
result = 1;
}
/* Test erand48. Also compare with the drand48 results. */
(void) seed48 (xs);
d = drand48 ();
e = erand48 (xs);
if (d != e)
{
printf ("\
drand48() and erand48 in lines %d and %d produce different results\n",
__LINE__ - 6, __LINE__ - 5);
printf (" drand48() = %g, erand48() = %g\n", d, e);
result = 1;
}
else if (e != 0.640650904452755298735)
{
printf ("erand48() in line %d failed: expected %.*g, seen %.*g\n",
__LINE__ - 4, DECIMAL_DIG, 0.640650904452755298735,
DECIMAL_DIG, e);
result = 1;
}
d = drand48 ();
e = erand48 (xs);
if (d != e)
{
printf ("\
drand48() and erand48 in lines %d and %d produce different results\n",
__LINE__ - 6, __LINE__ - 5);
printf (" drand48() = %g, erand48() = %g\n", d, e);
result = 1;
}
else if (e != 0.115372323508150742555)
{
printf ("erand48() in line %d failed: expected %.*g, seen %.*g\n",
__LINE__ - 4, DECIMAL_DIG, 0.0115372323508150742555,
DECIMAL_DIG, e);
result = 1;
}
return result;
}
|
