*** ../pgsql-cvshead/src/backend/utils/adt/tsrank.c	Thu Sep 20 10:30:19 2007
--- src/backend/utils/adt/tsrank.c	Thu Sep 20 12:20:10 2007
***************
*** 21,27 ****
  #include "miscadmin.h"
  
  
! static float weights[] = {0.1, 0.2, 0.4, 1.0};
  
  #define wpos(wep)	( w[ WEP_GETWEIGHT(wep) ] )
  
--- 21,27 ----
  #include "miscadmin.h"
  
  
! static float weights[] = {0.1f, 0.2f, 0.4f, 1.0f};
  
  #define wpos(wep)	( w[ WEP_GETWEIGHT(wep) ] )
  
***************
*** 43,49 ****
  word_distance(int4 w)
  {
  	if (w > 100)
! 		return 1e-30;
  
  	return 1.0 / (1.005 + 0.05 * exp(((float4) w) / 1.5 - 2));
  }
--- 43,49 ----
  word_distance(int4 w)
  {
  	if (w > 100)
! 		return 1e-30f;
  
  	return 1.0 / (1.005 + 0.05 * exp(((float4) w) / 1.5 - 2));
  }
***************
*** 336,342 ****
  		calc_rank_and(w, t, q) : calc_rank_or(w, t, q);
  
  	if (res < 0)
! 		res = 1e-20;
  
  	if ((method & RANK_NORM_LOGLENGTH) && t->size > 0)
  		res /= log((double) (cnt_length(t) + 1)) / log(2.0);
--- 336,342 ----
  		calc_rank_and(w, t, q) : calc_rank_or(w, t, q);
  
  	if (res < 0)
! 		res = 1e-20f;
  
  	if ((method & RANK_NORM_LOGLENGTH) && t->size > 0)
  		res /= log((double) (cnt_length(t) + 1)) / log(2.0);