diff options
Diffstat (limited to 'src/include/utils/geo_decls.h')
| -rw-r--r-- | src/include/utils/geo_decls.h | 513 |
1 files changed, 263 insertions, 250 deletions
diff --git a/src/include/utils/geo_decls.h b/src/include/utils/geo_decls.h index 782d71fed4a..4cbbeca3b82 100644 --- a/src/include/utils/geo_decls.h +++ b/src/include/utils/geo_decls.h @@ -5,19 +5,19 @@ * * Copyright (c) 1994, Regents of the University of California * - * $Id: geo_decls.h,v 1.8 1997/08/21 01:40:30 vadim Exp $ + * $Id: geo_decls.h,v 1.9 1997/09/07 05:02:34 momjian Exp $ * * NOTE - * These routines do *not* use the float types from adt/. + * These routines do *not* use the float types from adt/. * - * XXX These routines were not written by a numerical analyst. - * XXX I have made some attempt to flesh out the operators - * and data types. There are still some more to do. - tgl 97/04/19 + * XXX These routines were not written by a numerical analyst. + * XXX I have made some attempt to flesh out the operators + * and data types. There are still some more to do. - tgl 97/04/19 * *------------------------------------------------------------------------- */ -#ifndef GEO_DECLS_H -#define GEO_DECLS_H +#ifndef GEO_DECLS_H +#define GEO_DECLS_H #include "access/attnum.h" @@ -28,321 +28,334 @@ *-------------------------------------------------------------------*/ -#define EPSILON 1.0E-06 +#define EPSILON 1.0E-06 #ifdef EPSILON -#define FPzero(A) (fabs(A) <= EPSILON) -#define FPeq(A,B) (fabs((A) - (B)) <= EPSILON) -#define FPlt(A,B) ((B) - (A) > EPSILON) -#define FPle(A,B) ((A) - (B) <= EPSILON) -#define FPgt(A,B) ((A) - (B) > EPSILON) -#define FPge(A,B) ((B) - (A) <= EPSILON) +#define FPzero(A) (fabs(A) <= EPSILON) +#define FPeq(A,B) (fabs((A) - (B)) <= EPSILON) +#define FPlt(A,B) ((B) - (A) > EPSILON) +#define FPle(A,B) ((A) - (B) <= EPSILON) +#define FPgt(A,B) ((A) - (B) > EPSILON) +#define FPge(A,B) ((B) - (A) <= EPSILON) #else -#define FPzero(A) (A == 0) -#define FPnzero(A) (A != 0) -#define FPeq(A,B) (A == B) -#define FPne(A,B) (A != B) -#define FPlt(A,B) (A < B) -#define FPle(A,B) (A <= B) -#define FPgt(A,B) (A > B) -#define FPge(A,B) (A >= B) +#define FPzero(A) (A == 0) +#define FPnzero(A) (A != 0) +#define FPeq(A,B) (A == B) +#define FPne(A,B) (A != B) +#define FPlt(A,B) (A < B) +#define FPle(A,B) (A <= B) +#define FPgt(A,B) (A > B) +#define FPge(A,B) (A >= B) #endif -#define HYPOT(A, B) sqrt((A) * (A) + (B) * (B)) +#define HYPOT(A, B) sqrt((A) * (A) + (B) * (B)) /*-------------------------------------------------------------------- * Memory management. *-------------------------------------------------------------------*/ -#define PALLOC(SIZE) palloc(SIZE) -#define PFREE(P) pfree(P) -#define PALLOCTYPE(TYPE) (TYPE *) PALLOC(sizeof(TYPE)) +#define PALLOC(SIZE) palloc(SIZE) +#define PFREE(P) pfree(P) +#define PALLOCTYPE(TYPE) (TYPE *) PALLOC(sizeof(TYPE)) /*#endif !FmgrIncluded */ /*--------------------------------------------------------------------- * Point - (x,y) *-------------------------------------------------------------------*/ -typedef struct { - double x, y; -} Point; +typedef struct +{ + double x, + y; +} Point; /*--------------------------------------------------------------------- - * LSEG - A straight line, specified by endpoints. + * LSEG - A straight line, specified by endpoints. *-------------------------------------------------------------------*/ -typedef struct { - Point p[2]; +typedef struct +{ + Point p[2]; - double m; /* precomputed to save time, not in tuple */ -} LSEG; + double m; /* precomputed to save time, not in tuple */ +} LSEG; /*--------------------------------------------------------------------- - * PATH - Specified by vertex points. + * PATH - Specified by vertex points. *-------------------------------------------------------------------*/ -typedef struct { - int32 size; /* XXX varlena */ - int32 npts; - int32 closed; /* is this a closed polygon? */ - int32 dummy; /* padding to make it double align */ - Point p[1]; /* variable length array of POINTs */ -} PATH; +typedef struct +{ + int32 size; /* XXX varlena */ + int32 npts; + int32 closed; /* is this a closed polygon? */ + int32 dummy; /* padding to make it double align */ + Point p[1]; /* variable length array of POINTs */ +} PATH; /*--------------------------------------------------------------------- - * LINE - Specified by its general equation (Ax+By+C=0). - * If there is a y-intercept, it is C, which - * incidentally gives a freebie point on the line - * (if B=0, then C is the x-intercept). - * Slope m is precalculated to save time; if - * the line is not vertical, m == A. + * LINE - Specified by its general equation (Ax+By+C=0). + * If there is a y-intercept, it is C, which + * incidentally gives a freebie point on the line + * (if B=0, then C is the x-intercept). + * Slope m is precalculated to save time; if + * the line is not vertical, m == A. *-------------------------------------------------------------------*/ -typedef struct { - double A, B, C; +typedef struct +{ + double A, + B, + C; - double m; -} LINE; + double m; +} LINE; /*--------------------------------------------------------------------- * BOX - Specified by two corner points, which are - * sorted to save calculation time later. + * sorted to save calculation time later. *-------------------------------------------------------------------*/ -typedef struct { - Point high, low; /* corner POINTs */ -} BOX; +typedef struct +{ + Point high, + low; /* corner POINTs */ +} BOX; /*--------------------------------------------------------------------- - * POLYGON - Specified by an array of doubles defining the points, - * keeping the number of points and the bounding box for - * speed purposes. + * POLYGON - Specified by an array of doubles defining the points, + * keeping the number of points and the bounding box for + * speed purposes. *-------------------------------------------------------------------*/ -typedef struct { - int32 size; /* XXX varlena */ - int32 npts; - BOX boundbox; - Point p[1]; /* variable length array of POINTs */ -} POLYGON; +typedef struct +{ + int32 size; /* XXX varlena */ + int32 npts; + BOX boundbox; + Point p[1]; /* variable length array of POINTs */ +} POLYGON; /*--------------------------------------------------------------------- * CIRCLE - Specified by a center point and radius. *-------------------------------------------------------------------*/ -typedef struct { - Point center; - double radius; -} CIRCLE; +typedef struct +{ + Point center; + double radius; +} CIRCLE; -/* +/* * in geo_ops.h */ /* public point routines */ -extern Point *point_in(char *str); -extern char *point_out(Point *pt); -extern bool point_left(Point *pt1, Point *pt2); -extern bool point_right(Point *pt1, Point *pt2); -extern bool point_above(Point *pt1, Point *pt2); -extern bool point_below(Point *pt1, Point *pt2); -extern bool point_vert(Point *pt1, Point *pt2); -extern bool point_horiz(Point *pt1, Point *pt2); -extern bool point_eq(Point *pt1, Point *pt2); -extern int32 pointdist(Point *p1, Point *p2); -extern double *point_distance(Point *pt1, Point *pt2); -extern double *point_slope(Point *pt1, Point *pt2); +extern Point *point_in(char *str); +extern char *point_out(Point * pt); +extern bool point_left(Point * pt1, Point * pt2); +extern bool point_right(Point * pt1, Point * pt2); +extern bool point_above(Point * pt1, Point * pt2); +extern bool point_below(Point * pt1, Point * pt2); +extern bool point_vert(Point * pt1, Point * pt2); +extern bool point_horiz(Point * pt1, Point * pt2); +extern bool point_eq(Point * pt1, Point * pt2); +extern int32 pointdist(Point * p1, Point * p2); +extern double *point_distance(Point * pt1, Point * pt2); +extern double *point_slope(Point * pt1, Point * pt2); /* private routines */ -extern double point_dt(Point *pt1, Point *pt2); -extern double point_sl(Point *pt1, Point *pt2); +extern double point_dt(Point * pt1, Point * pt2); +extern double point_sl(Point * pt1, Point * pt2); -extern Point *point(float8 *x, float8 *y); -extern Point *point_add(Point *p1, Point *p2); -extern Point *point_sub(Point *p1, Point *p2); -extern Point *point_mul(Point *p1, Point *p2); -extern Point *point_div(Point *p1, Point *p2); +extern Point *point(float8 * x, float8 * y); +extern Point *point_add(Point * p1, Point * p2); +extern Point *point_sub(Point * p1, Point * p2); +extern Point *point_mul(Point * p1, Point * p2); +extern Point *point_div(Point * p1, Point * p2); /* public lseg routines */ -extern LSEG *lseg_in(char *str); -extern char *lseg_out(LSEG *ls); -extern bool lseg_intersect(LSEG *l1, LSEG *l2); -extern bool lseg_parallel(LSEG *l1, LSEG *l2); -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 double *lseg_distance(LSEG *l1, LSEG *l2); -extern Point *lseg_center(LSEG *lseg); -extern Point *lseg_interpt(LSEG *l1, LSEG *l2); -extern double *dist_pl(Point *pt, LINE *line); -extern double *dist_ps(Point *pt, LSEG *lseg); -extern double *dist_ppath(Point *pt, PATH *path); -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_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_lb(LINE *line, BOX *box); -extern bool on_pl(Point *pt, LINE *line); -extern bool on_ps(Point *pt, LSEG *lseg); -extern bool on_pb(Point *pt, BOX *box); -extern bool on_ppath(Point *pt, PATH *path); -extern bool on_sl(LSEG *lseg, LINE *line); -extern bool on_sb(LSEG *lseg, BOX *box); -extern bool inter_sl(LSEG *lseg, LINE *line); -extern bool inter_sb(LSEG *lseg, BOX *box); -extern bool inter_lb(LINE *line, BOX *box); +extern LSEG *lseg_in(char *str); +extern char *lseg_out(LSEG * ls); +extern bool lseg_intersect(LSEG * l1, LSEG * l2); +extern bool lseg_parallel(LSEG * l1, LSEG * l2); +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 double *lseg_distance(LSEG * l1, LSEG * l2); +extern Point *lseg_center(LSEG * lseg); +extern Point *lseg_interpt(LSEG * l1, LSEG * l2); +extern double *dist_pl(Point * pt, LINE * line); +extern double *dist_ps(Point * pt, LSEG * lseg); +extern double *dist_ppath(Point * pt, PATH * path); +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_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_lb(LINE * line, BOX * box); +extern bool on_pl(Point * pt, LINE * line); +extern bool on_ps(Point * pt, LSEG * lseg); +extern bool on_pb(Point * pt, BOX * box); +extern bool on_ppath(Point * pt, PATH * path); +extern bool on_sl(LSEG * lseg, LINE * line); +extern bool on_sb(LSEG * lseg, BOX * box); +extern bool inter_sl(LSEG * lseg, LINE * line); +extern bool inter_sb(LSEG * lseg, BOX * box); +extern bool inter_lb(LINE * line, BOX * box); /* private routines */ -extern LSEG *lseg_construct(Point *pt1, Point *pt2); +extern LSEG *lseg_construct(Point * pt1, Point * pt2); /* public box routines */ -extern BOX *box_in(char *str); -extern char *box_out(BOX *box); -extern bool box_same(BOX *box1, BOX *box2); -extern bool box_overlap(BOX *box1, BOX *box2); -extern bool box_overleft(BOX *box1, BOX *box2); -extern bool box_left(BOX *box1, BOX *box2); -extern bool box_right(BOX *box1, BOX *box2); -extern bool box_overright(BOX *box1, BOX *box2); -extern bool box_contained(BOX *box1, BOX *box2); -extern bool box_contain(BOX *box1, BOX *box2); -extern bool box_below(BOX *box1, BOX *box2); -extern bool box_above(BOX *box1, BOX *box2); -extern bool box_lt(BOX *box1, BOX *box2); -extern bool box_gt(BOX *box1, BOX *box2); -extern bool box_eq(BOX *box1, BOX *box2); -extern bool box_le(BOX *box1, BOX *box2); -extern bool box_ge(BOX *box1, BOX *box2); -extern Point *box_center(BOX *box); -extern double *box_area(BOX *box); -extern double *box_width(BOX *box); -extern double *box_height(BOX *box); -extern double *box_distance(BOX *box1, BOX *box2); -extern Point *box_center(BOX *box); -extern BOX *box_intersect(BOX *box1, BOX *box2); -extern LSEG *box_diagonal(BOX *box); +extern BOX *box_in(char *str); +extern char *box_out(BOX * box); +extern bool box_same(BOX * box1, BOX * box2); +extern bool box_overlap(BOX * box1, BOX * box2); +extern bool box_overleft(BOX * box1, BOX * box2); +extern bool box_left(BOX * box1, BOX * box2); +extern bool box_right(BOX * box1, BOX * box2); +extern bool box_overright(BOX * box1, BOX * box2); +extern bool box_contained(BOX * box1, BOX * box2); +extern bool box_contain(BOX * box1, BOX * box2); +extern bool box_below(BOX * box1, BOX * box2); +extern bool box_above(BOX * box1, BOX * box2); +extern bool box_lt(BOX * box1, BOX * box2); +extern bool box_gt(BOX * box1, BOX * box2); +extern bool box_eq(BOX * box1, BOX * box2); +extern bool box_le(BOX * box1, BOX * box2); +extern bool box_ge(BOX * box1, BOX * box2); +extern Point *box_center(BOX * box); +extern double *box_area(BOX * box); +extern double *box_width(BOX * box); +extern double *box_height(BOX * box); +extern double *box_distance(BOX * box1, BOX * box2); +extern Point *box_center(BOX * box); +extern BOX *box_intersect(BOX * box1, BOX * box2); +extern LSEG *box_diagonal(BOX * box); /* private routines */ -extern double box_dt(BOX *box1, BOX *box2); +extern double box_dt(BOX * box1, BOX * box2); -extern BOX *box(Point *p1, Point *p2); -extern BOX *box_add(BOX *box, Point *p); -extern BOX *box_sub(BOX *box, Point *p); -extern BOX *box_mul(BOX *box, Point *p); -extern BOX *box_div(BOX *box, Point *p); +extern BOX *box(Point * p1, Point * p2); +extern BOX *box_add(BOX * box, Point * p); +extern BOX *box_sub(BOX * box, Point * p); +extern BOX *box_mul(BOX * box, Point * p); +extern BOX *box_div(BOX * box, Point * p); /* private line routines */ -extern double *line_distance(LINE *l1, LINE *l2); +extern double *line_distance(LINE * l1, LINE * l2); /* public path routines */ -extern PATH *path_in(char *str); -extern char *path_out(PATH *path); -extern bool path_n_lt(PATH *p1, PATH *p2); -extern bool path_n_gt(PATH *p1, PATH *p2); -extern bool path_n_eq(PATH *p1, PATH *p2); -extern bool path_n_le(PATH *p1, PATH *p2); -extern bool path_n_ge(PATH *p1, PATH *p2); -extern bool path_inter(PATH *p1, PATH *p2); -extern double *path_distance(PATH *p1, PATH *p2); -extern double *path_length(PATH *path); - -extern bool path_isclosed(PATH *path); -extern bool path_isopen(PATH *path); -extern int4 path_npoints(PATH *path); - -extern PATH *path_close(PATH *path); -extern PATH *path_open(PATH *path); -extern PATH *path_add(PATH *p1, PATH *p2); -extern PATH *path_add_pt(PATH *path, Point *point); -extern PATH *path_sub_pt(PATH *path, Point *point); -extern PATH *path_mul_pt(PATH *path, Point *point); -extern PATH *path_div_pt(PATH *path, Point *point); -extern bool path_contain_pt( PATH *path, Point *p); -extern bool pt_contained_path( Point *p, PATH *path); - -extern Point *path_center(PATH *path); -extern POLYGON *path_poly(PATH *path); - -extern PATH *upgradepath(PATH *path); -extern bool isoldpath(PATH *path); +extern PATH *path_in(char *str); +extern char *path_out(PATH * path); +extern bool path_n_lt(PATH * p1, PATH * p2); +extern bool path_n_gt(PATH * p1, PATH * p2); +extern bool path_n_eq(PATH * p1, PATH * p2); +extern bool path_n_le(PATH * p1, PATH * p2); +extern bool path_n_ge(PATH * p1, PATH * p2); +extern bool path_inter(PATH * p1, PATH * p2); +extern double *path_distance(PATH * p1, PATH * p2); +extern double *path_length(PATH * path); + +extern bool path_isclosed(PATH * path); +extern bool path_isopen(PATH * path); +extern int4 path_npoints(PATH * path); + +extern PATH *path_close(PATH * path); +extern PATH *path_open(PATH * path); +extern PATH *path_add(PATH * p1, PATH * p2); +extern PATH *path_add_pt(PATH * path, Point * point); +extern PATH *path_sub_pt(PATH * path, Point * point); +extern PATH *path_mul_pt(PATH * path, Point * point); +extern PATH *path_div_pt(PATH * path, Point * point); +extern bool path_contain_pt(PATH * path, Point * p); +extern bool pt_contained_path(Point * p, PATH * path); + +extern Point *path_center(PATH * path); +extern POLYGON *path_poly(PATH * path); + +extern PATH *upgradepath(PATH * path); +extern bool isoldpath(PATH * path); /* public polygon routines */ extern POLYGON *poly_in(char *s); -extern char *poly_out(POLYGON *poly); -extern bool poly_left(POLYGON *polya, POLYGON *polyb); -extern bool poly_overleft(POLYGON *polya, POLYGON *polyb); -extern bool poly_right(POLYGON *polya, POLYGON *polyb); -extern bool poly_overright(POLYGON *polya, POLYGON *polyb); -extern bool poly_same(POLYGON *polya, POLYGON *polyb); -extern bool poly_overlap(POLYGON *polya, POLYGON *polyb); -extern bool poly_contain(POLYGON *polya, POLYGON *polyb); -extern bool poly_contained(POLYGON *polya, POLYGON *polyb); -extern bool poly_contain_pt( POLYGON *poly, Point *p); -extern bool pt_contained_poly( Point *p, POLYGON *poly); - -extern double *poly_distance(POLYGON *polya, POLYGON *polyb); -extern int4 poly_npoints(POLYGON *poly); -extern Point *poly_center(POLYGON *poly); -extern BOX *poly_box(POLYGON *poly); -extern PATH *poly_path(POLYGON *poly); -extern POLYGON *box_poly(BOX *box); - -extern POLYGON *upgradepoly(POLYGON *poly); -extern POLYGON *revertpoly(POLYGON *poly); +extern char *poly_out(POLYGON * poly); +extern bool poly_left(POLYGON * polya, POLYGON * polyb); +extern bool poly_overleft(POLYGON * polya, POLYGON * polyb); +extern bool poly_right(POLYGON * polya, POLYGON * polyb); +extern bool poly_overright(POLYGON * polya, POLYGON * polyb); +extern bool poly_same(POLYGON * polya, POLYGON * polyb); +extern bool poly_overlap(POLYGON * polya, POLYGON * polyb); +extern bool poly_contain(POLYGON * polya, POLYGON * polyb); +extern bool poly_contained(POLYGON * polya, POLYGON * polyb); +extern bool poly_contain_pt(POLYGON * poly, Point * p); +extern bool pt_contained_poly(Point * p, POLYGON * poly); + +extern double *poly_distance(POLYGON * polya, POLYGON * polyb); +extern int4 poly_npoints(POLYGON * poly); +extern Point *poly_center(POLYGON * poly); +extern BOX *poly_box(POLYGON * poly); +extern PATH *poly_path(POLYGON * poly); +extern POLYGON *box_poly(BOX * box); + +extern POLYGON *upgradepoly(POLYGON * poly); +extern POLYGON *revertpoly(POLYGON * poly); /* private polygon routines */ /* public circle routines */ -extern CIRCLE *circle_in(char *str); -extern char *circle_out(CIRCLE *circle); -extern bool circle_same(CIRCLE *circle1, CIRCLE *circle2); -extern bool circle_overlap(CIRCLE *circle1, CIRCLE *circle2); -extern bool circle_overleft(CIRCLE *circle1, CIRCLE *circle2); -extern bool circle_left(CIRCLE *circle1, CIRCLE *circle2); -extern bool circle_right(CIRCLE *circle1, CIRCLE *circle2); -extern bool circle_overright(CIRCLE *circle1, CIRCLE *circle2); -extern bool circle_contained(CIRCLE *circle1, CIRCLE *circle2); -extern bool circle_contain(CIRCLE *circle1, CIRCLE *circle2); -extern bool circle_below(CIRCLE *circle1, CIRCLE *circle2); -extern bool circle_above(CIRCLE *circle1, CIRCLE *circle2); - -extern bool circle_eq(CIRCLE *circle1, CIRCLE *circle2); -extern bool circle_ne(CIRCLE *circle1, CIRCLE *circle2); -extern bool circle_lt(CIRCLE *circle1, CIRCLE *circle2); -extern bool circle_gt(CIRCLE *circle1, CIRCLE *circle2); -extern bool circle_le(CIRCLE *circle1, CIRCLE *circle2); -extern bool circle_ge(CIRCLE *circle1, CIRCLE *circle2); -extern bool circle_contain_pt(CIRCLE *circle, Point *point); -extern bool pt_contained_circle(Point *point, CIRCLE *circle); -extern CIRCLE *circle_add_pt(CIRCLE *circle, Point *point); -extern CIRCLE *circle_sub_pt(CIRCLE *circle, Point *point); -extern CIRCLE *circle_mul_pt(CIRCLE *circle, Point *point); -extern CIRCLE *circle_div_pt(CIRCLE *circle, Point *point); -extern double *circle_diameter(CIRCLE *circle); -extern double *circle_radius(CIRCLE *circle); -extern double *circle_distance(CIRCLE *circle1, CIRCLE *circle2); -extern double *dist_pc(Point *point, CIRCLE *circle); -extern double *dist_cpoly(CIRCLE *circle, POLYGON *poly); -extern Point *circle_center(CIRCLE *circle); -extern CIRCLE *circle(Point *center, float8 *radius); -extern CIRCLE *box_circle(BOX *box); -extern BOX *circle_box(CIRCLE *circle); -extern CIRCLE *poly_circle(POLYGON *poly); -extern POLYGON *circle_poly(int npts, CIRCLE *circle); +extern CIRCLE *circle_in(char *str); +extern char *circle_out(CIRCLE * circle); +extern bool circle_same(CIRCLE * circle1, CIRCLE * circle2); +extern bool circle_overlap(CIRCLE * circle1, CIRCLE * circle2); +extern bool circle_overleft(CIRCLE * circle1, CIRCLE * circle2); +extern bool circle_left(CIRCLE * circle1, CIRCLE * circle2); +extern bool circle_right(CIRCLE * circle1, CIRCLE * circle2); +extern bool circle_overright(CIRCLE * circle1, CIRCLE * circle2); +extern bool circle_contained(CIRCLE * circle1, CIRCLE * circle2); +extern bool circle_contain(CIRCLE * circle1, CIRCLE * circle2); +extern bool circle_below(CIRCLE * circle1, CIRCLE * circle2); +extern bool circle_above(CIRCLE * circle1, CIRCLE * circle2); + +extern bool circle_eq(CIRCLE * circle1, CIRCLE * circle2); +extern bool circle_ne(CIRCLE * circle1, CIRCLE * circle2); +extern bool circle_lt(CIRCLE * circle1, CIRCLE * circle2); +extern bool circle_gt(CIRCLE * circle1, CIRCLE * circle2); +extern bool circle_le(CIRCLE * circle1, CIRCLE * circle2); +extern bool circle_ge(CIRCLE * circle1, CIRCLE * circle2); +extern bool circle_contain_pt(CIRCLE * circle, Point * point); +extern bool pt_contained_circle(Point * point, CIRCLE * circle); +extern CIRCLE *circle_add_pt(CIRCLE * circle, Point * point); +extern CIRCLE *circle_sub_pt(CIRCLE * circle, Point * point); +extern CIRCLE *circle_mul_pt(CIRCLE * circle, Point * point); +extern CIRCLE *circle_div_pt(CIRCLE * circle, Point * point); +extern double *circle_diameter(CIRCLE * circle); +extern double *circle_radius(CIRCLE * circle); +extern double *circle_distance(CIRCLE * circle1, CIRCLE * circle2); +extern double *dist_pc(Point * point, CIRCLE * circle); +extern double *dist_cpoly(CIRCLE * circle, POLYGON * poly); +extern Point *circle_center(CIRCLE * circle); +extern CIRCLE *circle(Point * center, float8 * radius); +extern CIRCLE *box_circle(BOX * box); +extern BOX *circle_box(CIRCLE * circle); +extern CIRCLE *poly_circle(POLYGON * poly); +extern POLYGON *circle_poly(int npts, CIRCLE * circle); /* private routines */ -extern double *circle_area(CIRCLE *circle); -extern double circle_dt(CIRCLE *circle1, CIRCLE *circle2); +extern double *circle_area(CIRCLE * circle); +extern double circle_dt(CIRCLE * circle1, CIRCLE * circle2); /* geo_selfuncs.c */ -extern float64 areasel(Oid opid, Oid relid, AttrNumber attno, - char *value, int32 flag); -extern float64 areajoinsel(Oid opid, Oid relid, AttrNumber attno, - char *value, int32 flag); - -#endif /* GEO_DECLS_H */ +extern float64 +areasel(Oid opid, Oid relid, AttrNumber attno, + char *value, int32 flag); +extern float64 +areajoinsel(Oid opid, Oid relid, AttrNumber attno, + char *value, int32 flag); + +#endif /* GEO_DECLS_H */ |