Define boolean functions and operators for lseg <, <=, <>, >=, >.

Define functions and operators for closest point to lseg on box,
 to line on lseg, to lseg on lseg.
Define function and operator for length of lseg.
Change length operator from '??' to '@-@'
 (currently defined for path and lseg).

src/include/catalog/pg_operator.h

@@ -7,7 +7,7 @@
  *
  * Copyright (c) 1994, Regents of the University of California
  *
- * $Id: pg_operator.h,v 1.23 1998/01/24 22:48:36 momjian Exp $
+ * $Id: pg_operator.h,v 1.24 1998/02/03 16:01:54 thomas Exp $
  *
  * NOTES
  *	  the genbki.sh script reads this file and generates .bki
@@ -387,7 +387,7 @@ DATA(insert OID =  795 (  "<="	   PGUID 0 b t f  602  602	701  794  0 0 0 path_n
 DATA(insert OID =  796 (  ">="	   PGUID 0 b t f  602  602	701  793  0 0 0 path_n_ge intltsel intltjoinsel ));
 DATA(insert OID =  797 (  "#"	   PGUID 0 l t f	0  602	 23    0  0 0 0 path_npoints - - ));
 DATA(insert OID =  798 (  "?#"	   PGUID 0 b t f  602  602	 16    0  0 0 0 path_inter - - ));
-DATA(insert OID =  799 (  "??"	   PGUID 0 l t f	0  602	701    0  0 0 0 path_length - - ));
+DATA(insert OID =  799 (  "@-@"	   PGUID 0 l t f	0  602	701    0  0 0 0 path_length - - ));
 DATA(insert OID =  800 (  ">^"	   PGUID 0 b t f  603  603	 16    0  0 0 0 box_above intltsel intltjoinsel ));
 DATA(insert OID =  801 (  "<^"	   PGUID 0 b t f  603  603	 16    0  0 0 0 box_below intltsel intltjoinsel ));
 DATA(insert OID =  802 (  "?#"	   PGUID 0 b t f  603  603	 16    0  0 0 0 box_overlap - - ));
@@ -647,8 +647,18 @@ DATA(insert OID = 1559 (  "##"	  PGUID 0 b t f  600  603  600	  0  0 0 0 close_p
 DATA(insert OID = 1566 (  "##"	  PGUID 0 b t f  601  628  600	  0  0 0 0 close_sl - - ));
 DATA(insert OID = 1567 (  "##"	  PGUID 0 b t f  601  603  600	  0  0 0 0 close_sb - - ));
 DATA(insert OID = 1568 (  "##"	  PGUID 0 b t f  628  603  600	  0  0 0 0 close_lb - - ));
+DATA(insert OID = 1577 (  "##"	  PGUID 0 b t f  628  601  600	  0  0 0 0 close_ls - - ));
+DATA(insert OID = 1578 (  "##"	  PGUID 0 b t f  601  601  600	  0  0 0 0 close_lseg - - ));
 DATA(insert OID = 1585 (  "/"	  PGUID 0 b t f 1186 1186 1186	  0  0 0 0 timespan_div - - ));
 
+DATA(insert OID = 1586 (  "<>"	  PGUID 0 b t f  601  601	16 1535  0 0 0 lseg_eq intltsel - ));
+DATA(insert OID = 1587 (  "<"	  PGUID 0 b t f  601  601	16 1590  0 0 0 lseg_lt intltsel - ));
+DATA(insert OID = 1588 (  "<="	  PGUID 0 b t f  601  601	16 1589  0 0 0 lseg_le intltsel - ));
+DATA(insert OID = 1589 (  ">"	  PGUID 0 b t f  601  601	16 1588  0 0 0 lseg_gt intltsel - ));
+DATA(insert OID = 1590 (  ">="	  PGUID 0 b t f  601  601	16 1587  0 0 0 lseg_ge intltsel - ));
+
+DATA(insert OID = 1591 (  "@-@"	  PGUID 0 l t f	0  601	701    0  0 0 0 lseg_length - - ));
+
 /*
  * function prototypes
  */

src/include/utils/geo_decls.h

@@ -5,7 +5,7 @@
  *
  * Copyright (c) 1994, Regents of the University of California
  *
- * $Id: geo_decls.h,v 1.17 1998/01/24 22:50:43 momjian Exp $
+ * $Id: geo_decls.h,v 1.18 1998/02/03 16:01:06 thomas Exp $
  *
  * NOTE
  *	  These routines do *not* use the float types from adt/.
@@ -170,6 +170,12 @@ extern bool lseg_perp(LSEG *l1, LSEG *l2);
 extern bool lseg_vertical(LSEG *lseg);
 extern bool lseg_horizontal(LSEG *lseg);
 extern bool lseg_eq(LSEG *l1, LSEG *l2);
+extern bool lseg_ne(LSEG *l1, LSEG *l2);
+extern bool lseg_lt(LSEG *l1, LSEG *l2);
+extern bool lseg_le(LSEG *l1, LSEG *l2);
+extern bool lseg_gt(LSEG *l1, LSEG *l2);
+extern bool lseg_ge(LSEG *l1, LSEG *l2);
+extern double *lseg_length(LSEG *lseg);
 extern double *lseg_distance(LSEG *l1, LSEG *l2);
 extern Point *lseg_center(LSEG *lseg);
 extern Point *lseg_interpt(LSEG *l1, LSEG *l2);
@@ -180,11 +186,13 @@ extern double *dist_pb(Point *pt, BOX *box);
 extern double *dist_sl(LSEG *lseg, LINE *line);
 extern double *dist_sb(LSEG *lseg, BOX *box);
 extern double *dist_lb(LINE *line, BOX *box);
+extern Point *close_lseg(LSEG *l1, LSEG *l2);
 extern Point *close_pl(Point *pt, LINE *line);
 extern Point *close_ps(Point *pt, LSEG *lseg);
 extern Point *close_pb(Point *pt, BOX *box);
 extern Point *close_sl(LSEG *lseg, LINE *line);
 extern Point *close_sb(LSEG *lseg, BOX *box);
+extern Point *close_ls(LINE *line, LSEG *lseg);
 extern Point *close_lb(LINE *line, BOX *box);
 extern bool on_pl(Point *pt, LINE *line);
 extern bool on_ps(Point *pt, LSEG *lseg);