Index: src/backend/commands/analyze.c
===================================================================
RCS file: /cvsroot/pgsql/src/backend/commands/analyze.c,v
retrieving revision 1.90
diff -c -c -r1.90 analyze.c
*** src/backend/commands/analyze.c	22 Nov 2005 18:17:08 -0000	1.90
--- src/backend/commands/analyze.c	26 Jan 2006 23:40:49 -0000
***************
*** 927,944 ****
  	return numrows;
  }
  
! /* Select a random value R uniformly distributed in 0 < R < 1 */
  static double
  random_fract(void)
  {
! 	long		z;
! 
! 	/* random() can produce endpoint values, try again if so */
! 	do
! 	{
! 		z = random();
! 	} while (z <= 0 || z >= MAX_RANDOM_VALUE);
! 	return (double) z / (double) MAX_RANDOM_VALUE;
  }
  
  /*
--- 927,937 ----
  	return numrows;
  }
  
! /* Select a random value R uniformly distributed in (0 - 1) */
  static double
  random_fract(void)
  {
! 	return ((double) random() + 1) / ((double) MAX_RANDOM_VALUE + 2);
  }
  
  /*
Index: src/backend/storage/lmgr/s_lock.c
===================================================================
RCS file: /cvsroot/pgsql/src/backend/storage/lmgr/s_lock.c,v
retrieving revision 1.41
diff -c -c -r1.41 s_lock.c
*** src/backend/storage/lmgr/s_lock.c	22 Nov 2005 18:17:21 -0000	1.41
--- src/backend/storage/lmgr/s_lock.c	26 Jan 2006 23:40:54 -0000
***************
*** 120,126 ****
  
  			/* increase delay by a random fraction between 1X and 2X */
  			cur_delay += (int) (cur_delay *
! 				  (((double) random()) / ((double) MAX_RANDOM_VALUE)) + 0.5);
  			/* wrap back to minimum delay when max is exceeded */
  			if (cur_delay > MAX_DELAY_MSEC)
  				cur_delay = MIN_DELAY_MSEC;
--- 120,126 ----
  
  			/* increase delay by a random fraction between 1X and 2X */
  			cur_delay += (int) (cur_delay *
! 				  ((double) random() / (double) MAX_RANDOM_VALUE) + 0.5);
  			/* wrap back to minimum delay when max is exceeded */
  			if (cur_delay > MAX_DELAY_MSEC)
  				cur_delay = MIN_DELAY_MSEC;
Index: src/backend/utils/adt/float.c
===================================================================
RCS file: /cvsroot/pgsql/src/backend/utils/adt/float.c,v
retrieving revision 1.119
diff -c -c -r1.119 float.c
*** src/backend/utils/adt/float.c	2 Dec 2005 02:49:11 -0000	1.119
--- src/backend/utils/adt/float.c	26 Jan 2006 23:40:57 -0000
***************
*** 1833,1840 ****
  {
  	float8		result;
  
! 	/* result 0.0-1.0 */
! 	result = ((double) random()) / ((double) MAX_RANDOM_VALUE);
  
  	PG_RETURN_FLOAT8(result);
  }
--- 1833,1840 ----
  {
  	float8		result;
  
! 	/* result [0.0 - 1.0) */
! 	result = (double) random() / ((double) MAX_RANDOM_VALUE + 1);
  
  	PG_RETURN_FLOAT8(result);
  }
Index: src/include/optimizer/geqo_random.h
===================================================================
RCS file: /cvsroot/pgsql/src/include/optimizer/geqo_random.h,v
retrieving revision 1.16
diff -c -c -r1.16 geqo_random.h
*** src/include/optimizer/geqo_random.h	31 Dec 2004 22:03:36 -0000	1.16
--- src/include/optimizer/geqo_random.h	26 Jan 2006 23:40:58 -0000
***************
*** 28,34 ****
  
  /* geqo_rand returns a random float value between 0 and 1 inclusive */
  
! #define geqo_rand() (((double) random()) / ((double) MAX_RANDOM_VALUE))
  
  /* geqo_randint returns integer value between lower and upper inclusive */
  
--- 28,34 ----
  
  /* geqo_rand returns a random float value between 0 and 1 inclusive */
  
! #define geqo_rand() ((double) random() / (double) MAX_RANDOM_VALUE)
  
  /* geqo_randint returns integer value between lower and upper inclusive */