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

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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).
This commit is contained in:
Thomas G. Lockhart
1998-02-03 16:01:59 +00:00
parent 3f52d1705a
commit 93d80d3359
3 changed files with 267 additions and 230 deletions
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10
src/include/utils/geo_decls.h
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@@ -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);