1  #include <stdint.h>
       2  #include <stdio.h>
       3  #include <stdlib.h>
       4  #include <time.h>
       5  
       6  static int
       7  do_test (void)
       8  {
       9    time_t t = time (NULL);
      10    int i, ret = 0;
      11    double d;
      12    long int l;
      13    struct drand48_data data;
      14    unsigned short int buf[3];
      15  
      16    srand48 ((long int) t);
      17    for (i = 0; i < 50; i++)
      18      if ((d = drand48 ()) < 0.0 || d >= 1.0)
      19        {
      20          printf ("drand48 %d %g\n", i, d);
      21          ret = 1;
      22        }
      23  
      24    srand48_r ((long int) t, &data);
      25    for (i = 0; i < 50; i++)
      26      if (drand48_r (&data, &d) != 0 || d < 0.0 || d >= 1.0)
      27        {
      28          printf ("drand48_r %d %g\n", i, d);
      29          ret = 1;
      30        }
      31  
      32    buf[2] = (t & 0xffff0000) >> 16; buf[1] = (t & 0xffff); buf[0] = 0x330e;
      33    for (i = 0; i < 50; i++)
      34      if ((d = erand48 (buf)) < 0.0 || d >= 1.0)
      35        {
      36          printf ("erand48 %d %g\n", i, d);
      37          ret = 1;
      38        }
      39  
      40    buf[2] = (t & 0xffff0000) >> 16; buf[1] = (t & 0xffff); buf[0] = 0x330e;
      41    for (i = 0; i < 50; i++)
      42      if (erand48_r (buf, &data, &d) != 0 || d < 0.0 || d >= 1.0)
      43        {
      44          printf ("erand48_r %d %g\n", i, d);
      45          ret = 1;
      46        }
      47  
      48    srand48 ((long int) t);
      49    for (i = 0; i < 50; i++)
      50      if ((l = lrand48 ()) < 0 || l > INT32_MAX)
      51        {
      52          printf ("lrand48 %d %ld\n", i, l);
      53          ret = 1;
      54        }
      55  
      56    srand48_r ((long int) t, &data);
      57    for (i = 0; i < 50; i++)
      58      if (lrand48_r (&data, &l) != 0 || l < 0 || l > INT32_MAX)
      59        {
      60          printf ("lrand48_r %d %ld\n", i, l);
      61          ret = 1;
      62        }
      63  
      64    buf[2] = (t & 0xffff0000) >> 16; buf[1] = (t & 0xffff); buf[0] = 0x330e;
      65    for (i = 0; i < 50; i++)
      66      if ((l = nrand48 (buf)) < 0 || l > INT32_MAX)
      67        {
      68          printf ("nrand48 %d %ld\n", i, l);
      69          ret = 1;
      70        }
      71  
      72    buf[2] = (t & 0xffff0000) >> 16; buf[1] = (t & 0xffff); buf[0] = 0x330e;
      73    for (i = 0; i < 50; i++)
      74      if (nrand48_r (buf, &data, &l) != 0 || l < 0 || l > INT32_MAX)
      75        {
      76          printf ("nrand48_r %d %ld\n", i, l);
      77          ret = 1;
      78        }
      79  
      80    srand48 ((long int) t);
      81    for (i = 0; i < 50; i++)
      82      if ((l = mrand48 ()) < INT32_MIN || l > INT32_MAX)
      83        {
      84          printf ("mrand48 %d %ld\n", i, l);
      85          ret = 1;
      86        }
      87  
      88    srand48_r ((long int) t, &data);
      89    for (i = 0; i < 50; i++)
      90      if (mrand48_r (&data, &l) != 0 || l < INT32_MIN || l > INT32_MAX)
      91        {
      92          printf ("mrand48_r %d %ld\n", i, l);
      93          ret = 1;
      94        }
      95  
      96    buf[2] = (t & 0xffff0000) >> 16; buf[1] = (t & 0xffff); buf[0] = 0x330e;
      97    for (i = 0; i < 50; i++)
      98      if ((l = jrand48 (buf)) < INT32_MIN || l > INT32_MAX)
      99        {
     100          printf ("jrand48 %d %ld\n", i, l);
     101          ret = 1;
     102        }
     103  
     104    buf[2] = (t & 0xffff0000) >> 16; buf[1] = (t & 0xffff); buf[0] = 0x330e;
     105    for (i = 0; i < 50; i++)
     106      if (jrand48_r (buf, &data, &l) != 0 || l < INT32_MIN || l > INT32_MAX)
     107        {
     108          printf ("jrand48_r %d %ld\n", i, l);
     109          ret = 1;
     110        }
     111  
     112    return ret;
     113  }
     114  
     115  #define TEST_FUNCTION do_test ()
     116  #include "../test-skeleton.c"