pgs_box.sql.in

-- **************************
--
-- spherical box functions
--
-- **************************

CREATE FUNCTION sbox(spoint, spoint)
   RETURNS sbox
   AS 'MODULE_PATHNAME', 'spherebox_in_from_points'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox(spoint, spoint) IS
  'returns a spherical box from south-west corner(arg1) and north-east corner(arg2)';

CREATE FUNCTION sw(sbox)
   RETURNS spoint
   AS 'MODULE_PATHNAME', 'spherebox_sw'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sw(sbox) IS
  'south-west corner of spherical box';

CREATE FUNCTION se(sbox)
   RETURNS spoint
   AS 'MODULE_PATHNAME', 'spherebox_se'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION se(sbox) IS
  'south-east corner of spherical box';


CREATE FUNCTION nw(sbox)
   RETURNS spoint
   AS 'MODULE_PATHNAME', 'spherebox_nw'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION nw(sbox) IS
  'north-west corner of spherical box';

CREATE FUNCTION ne(sbox)
   RETURNS spoint
   AS 'MODULE_PATHNAME', 'spherebox_ne'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION ne(sbox) IS
  'north-east corner of spherical box';


CREATE FUNCTION area(sbox)
   RETURNS FLOAT8
   AS 'MODULE_PATHNAME', 'spherebox_area'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION area(sbox) IS
  'area of a spherical box';


--
-- circumference
--

CREATE FUNCTION circum(sbox)
   RETURNS FLOAT8
   AS 'MODULE_PATHNAME', 'spherebox_circ'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION circum(sbox) IS
  'circumference of spherical box';

CREATE OPERATOR @-@ (
   RIGHTARG   = sbox,
   PROCEDURE  = circum
);

COMMENT ON OPERATOR @-@ (NONE, sbox) IS
  'circumference of spherical box';


--
-- equal
--

CREATE FUNCTION sbox_equal(sbox, sbox)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_equal'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox_equal(sbox, sbox) IS
  'returns true, if spherical boxes are equal';

CREATE OPERATOR  = (
   LEFTARG    = sbox,
   RIGHTARG   = sbox,
   COMMUTATOR = =,
   NEGATOR    = <>,
   PROCEDURE  = sbox_equal,
   RESTRICT   = contsel,
   JOIN       = contjoinsel
);

COMMENT ON OPERATOR = (sbox, sbox) IS
  'true, if spherical boxes are equal';

--
-- not equal
--

CREATE FUNCTION sbox_equal_neg (sbox, sbox)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_equal_neg'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox_equal_neg (sbox, sbox) IS
  'returns true, if spherical boxes are not equal';


CREATE OPERATOR  <> (
   LEFTARG    = sbox,
   RIGHTARG   = sbox,
   COMMUTATOR = <>,
   NEGATOR    = =,
   PROCEDURE  = sbox_equal_neg,
   RESTRICT   = contsel,
   JOIN       = contjoinsel
);

COMMENT ON OPERATOR <> (sbox, sbox) IS
  'true, if spherical boxes are not equal';

--
-- box contains box
--

CREATE FUNCTION sbox_contains_box(sbox, sbox)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_cont_box'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox_contains_box(sbox, sbox) IS
  'true if spherical box contains spherical box';


--
-- box is contained by box
--

CREATE FUNCTION sbox_contains_box_com(sbox, sbox)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_cont_box_com'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox_contains_box_com(sbox, sbox) IS
  'true if spherical box contains spherical box';


--
-- box does not contain box
--

CREATE FUNCTION sbox_contains_box_neg(sbox, sbox)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_cont_box_neg'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox_contains_box_neg(sbox, sbox) IS
  'true if spherical box does not contain spherical box';


--
-- box is not contained by box
--

CREATE FUNCTION sbox_contains_box_com_neg(sbox, sbox)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_cont_box_com_neg'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox_contains_box_com_neg(sbox, sbox) IS
  'true if spherical box does not contain spherical box';


--
-- box overlaps box
--

CREATE FUNCTION sbox_overlap_box(sbox, sbox)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_overlap_box'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox_overlap_box(sbox, sbox) IS
  'true if spherical box overlap spherical box';


CREATE OPERATOR && (
   LEFTARG    = sbox,
   RIGHTARG   = sbox,
   PROCEDURE  = sbox_overlap_box,
   COMMUTATOR = '&&',
   NEGATOR    = '!&&',
   RESTRICT   = contsel,
   JOIN       = contjoinsel
);

COMMENT ON OPERATOR && (sbox, sbox) IS
  'true if spherical box overlap spherical box';

--
-- box does not overlap box
--

CREATE FUNCTION sbox_overlap_box_neg(sbox, sbox)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_overlap_box_neg'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION  sbox_overlap_box_neg(sbox, sbox) IS
  'true if spherical box does not overlap spherical box';


CREATE OPERATOR !&& (
   LEFTARG    = sbox,
   RIGHTARG   = sbox,
   PROCEDURE  = sbox_overlap_box_neg,
   COMMUTATOR = '!&&',
   NEGATOR    = '&&',
   RESTRICT   = contsel,
   JOIN       = contjoinsel
);

COMMENT ON OPERATOR !&& (sbox, sbox) IS
  'true if spherical box does not overlap spherical box';

--
-- point is contained by box
--

CREATE FUNCTION sbox_cont_point_com(spoint, sbox)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_cont_point_com'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox_cont_point_com(spoint, sbox) IS
  'true if spherical point is contained by spherical box';


--
-- point is not contained by box
--

CREATE FUNCTION sbox_cont_point_com_neg(spoint, sbox)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_cont_point_com_neg'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox_cont_point_com_neg (spoint, sbox) IS
  'true if spherical point is not contained by spherical box';


--
-- box contains point
--

CREATE FUNCTION sbox_cont_point(sbox, spoint)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_cont_point'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox_cont_point (sbox, spoint) IS
  'true if spherical box contains spherical point';


--
-- box does not contain point
--

CREATE FUNCTION sbox_cont_point_neg(sbox, spoint)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_cont_point_neg'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox_cont_point_neg (sbox, spoint) IS
  'true if spherical box does not contain spherical point';


--
-- box contains circle
--

CREATE FUNCTION sbox_contains_circle(sbox, scircle)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_cont_circle'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox_contains_circle(sbox, scircle) IS
  'true if spherical box contains spherical circle';


--
-- circle is contained by box
--

CREATE FUNCTION sbox_contains_circle_com(scircle, sbox)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_cont_circle_com'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox_contains_circle_com(scircle, sbox) IS
  'true if spherical box contains spherical circle';


--
-- box does not contain circle
--

CREATE FUNCTION sbox_contains_circle_neg(sbox, scircle)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_cont_circle_neg'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox_contains_circle_neg(sbox, scircle) IS
  'true if spherical box does not contain spherical circle';


--
-- circle is not contained by box
--

CREATE FUNCTION sbox_contains_circle_com_neg(scircle, sbox)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_cont_circle_com_neg'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox_contains_circle_com_neg(scircle, sbox) IS
  'true if spherical box does not contain spherical circle';


--
-- circle contains box
--

CREATE FUNCTION scircle_contains_box(scircle, sbox)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherecircle_cont_box'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION scircle_contains_box(scircle, sbox) IS
  'true if spherical circle contains spherical box';


--
-- box is contained by circle
--

CREATE FUNCTION scircle_contains_box_com(sbox, scircle)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherecircle_cont_box_com'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION scircle_contains_box_com(sbox, scircle) IS
  'true if spherical circle contains spherical box';


--
-- circle does not contain box
--

CREATE FUNCTION scircle_contains_box_neg(scircle, sbox)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherecircle_cont_box_neg'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION scircle_contains_box_neg(scircle, sbox) IS
  'true if spherical circle does not contain spherical box';


--
-- box is not contained by circle
--

CREATE FUNCTION scircle_contains_box_com_neg(sbox, scircle)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherecircle_cont_box_com_neg'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION scircle_contains_box_com_neg(sbox, scircle) IS
  'true if spherical circle does not contain spherical box';


--
-- circle overlaps box
--

CREATE FUNCTION sbox_overlap_circle(sbox, scircle)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_overlap_circle'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox_overlap_circle(sbox, scircle) IS
  'true if spherical circle overlap spherical box';


CREATE OPERATOR && (
   LEFTARG    = sbox,
   RIGHTARG   = scircle,
   PROCEDURE  = sbox_overlap_circle,
   COMMUTATOR = '&&',
   NEGATOR    = '!&&',
   RESTRICT   = contsel,
   JOIN       = contjoinsel
);

COMMENT ON OPERATOR && (sbox, scircle) IS
  'true if spherical circle overlap spherical box';

--
-- box overlaps circle
--

CREATE FUNCTION sbox_overlap_circle_com(scircle, sbox)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_overlap_circle_com'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION  sbox_overlap_circle_com(scircle, sbox) IS
  'true if spherical circle overlap spherical box';


CREATE OPERATOR && (
   LEFTARG    = scircle,
   RIGHTARG   = sbox,
   PROCEDURE  = sbox_overlap_circle_com,
   COMMUTATOR = '&&',
   NEGATOR    = '!&&',
   RESTRICT   = contsel,
   JOIN       = contjoinsel
);

COMMENT ON OPERATOR && (scircle, sbox) IS
  'true if spherical circle overlap spherical box';


--
-- circle does not overlap box
--

CREATE FUNCTION sbox_overlap_circle_neg(sbox, scircle)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_overlap_circle_neg'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION  sbox_overlap_circle_neg(sbox, scircle) IS
  'true if spherical circle does not overlap spherical box';


CREATE OPERATOR !&& (
   LEFTARG    = sbox,
   RIGHTARG   = scircle,
   PROCEDURE  = sbox_overlap_circle_neg,
   COMMUTATOR = '!&&',
   NEGATOR    = '&&',
   RESTRICT   = contsel,
   JOIN       = contjoinsel
);

COMMENT ON OPERATOR !&& (sbox, scircle) IS
  'true if spherical circle does not overlap spherical box';

--
-- box does not overlap circle
--

CREATE FUNCTION sbox_overlap_circle_com_neg(scircle, sbox)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_overlap_circle_com_neg'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION  sbox_overlap_circle_com_neg(scircle, sbox) IS
  'true if spherical circle does not overlap spherical box';


CREATE OPERATOR !&& (
   LEFTARG    = scircle,
   RIGHTARG   = sbox,
   PROCEDURE  = sbox_overlap_circle_com_neg,
   COMMUTATOR = '!&&',
   NEGATOR    = '&&',
   RESTRICT   = contsel,
   JOIN       = contjoinsel
);

COMMENT ON OPERATOR !&& (scircle, sbox) IS
  'true if spherical circle does not overlap spherical box';


--
-- box contains line
--

CREATE FUNCTION sbox_contains_line(sbox, sline)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_cont_line'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox_contains_line(sbox, sline) IS
  'true if spherical box contains spherical line';


--
-- line is contained by box
--

CREATE FUNCTION sbox_contains_line_com(sline, sbox)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_cont_line_com'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox_contains_line_com(sline, sbox) IS
  'true if spherical box contains spherical line';


--
-- box does not contain line
--

CREATE FUNCTION sbox_contains_line_neg(sbox, sline)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_cont_line_neg'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox_contains_line_neg(sbox, sline) IS
  'true if spherical box does not contain spherical line';


--
-- line is not contained by box
--

CREATE FUNCTION sbox_contains_line_com_neg(sline, sbox)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_cont_line_com_neg'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox_contains_line_com_neg(sline, sbox) IS
  'true if spherical box does not contain spherical line';


--
-- line overlaps box
--

CREATE FUNCTION sbox_overlap_line(sbox, sline)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_overlap_line'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox_overlap_line(sbox, sline) IS
  'true if spherical line overlap spherical box';


CREATE OPERATOR && (
   LEFTARG    = sbox,
   RIGHTARG   = sline,
   PROCEDURE  = sbox_overlap_line,
   COMMUTATOR = '&&',
   NEGATOR    = '!&&',
   RESTRICT   = contsel,
   JOIN       = contjoinsel
);

COMMENT ON OPERATOR && (sbox, sline) IS
  'true if spherical line overlap spherical box';

--
-- box overlaps line
--

CREATE FUNCTION sbox_overlap_line_com(sline, sbox)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_overlap_line_com'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION  sbox_overlap_line_com(sline, sbox) IS
  'true if spherical line overlap spherical box';


CREATE OPERATOR && (
   LEFTARG    = sline,
   RIGHTARG   = sbox,
   PROCEDURE  = sbox_overlap_line_com,
   COMMUTATOR = '&&',
   NEGATOR    = '!&&',
   RESTRICT   = contsel,
   JOIN       = contjoinsel
);

COMMENT ON OPERATOR && (sline, sbox) IS
  'true if spherical line overlap spherical box';


--
-- line does not overlap box
--

CREATE FUNCTION sbox_overlap_line_neg(sbox, sline)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_overlap_line_neg'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION  sbox_overlap_line_neg(sbox, sline) IS
  'true if spherical line does not overlap spherical box';


CREATE OPERATOR !&& (
   LEFTARG    = sbox,
   RIGHTARG   = sline,
   PROCEDURE  = sbox_overlap_line_neg,
   COMMUTATOR = '!&&',
   NEGATOR    = '&&',
   RESTRICT   = contsel,
   JOIN       = contjoinsel
);

COMMENT ON OPERATOR !&& (sbox, sline) IS
  'true if spherical line does not overlap spherical box';

--
-- box does not overlap line
--

CREATE FUNCTION sbox_overlap_line_com_neg(sline, sbox)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_overlap_line_com_neg'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION  sbox_overlap_line_com_neg(sline, sbox) IS
  'true if spherical line does not overlap spherical box';


CREATE OPERATOR !&& (
   LEFTARG    = sline,
   RIGHTARG   = sbox,
   PROCEDURE  = sbox_overlap_line_com_neg,
   COMMUTATOR = '!&&',
   NEGATOR    = '&&',
   RESTRICT   = contsel,
   JOIN       = contjoinsel
);

COMMENT ON OPERATOR !&& (sline, sbox) IS
  'true if spherical line does not overlap spherical box';


--
-- box contains ellipse
--

CREATE FUNCTION sbox_contains_ellipse(sbox, sellipse)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_cont_ellipse'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox_contains_ellipse(sbox, sellipse) IS
  'true if spherical box contains spherical ellipse';


--
-- ellipse is contained by box
--

CREATE FUNCTION sbox_contains_ellipse_com(sellipse, sbox)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_cont_ellipse_com'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox_contains_ellipse_com(sellipse, sbox) IS
  'true if spherical box contains spherical ellipse';


--
-- box does not contain ellipse
--

CREATE FUNCTION sbox_contains_ellipse_neg(sbox, sellipse)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_cont_ellipse_neg'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox_contains_ellipse_neg(sbox, sellipse) IS
  'true if spherical box does not contain spherical ellipse';


--
-- ellipse is not contained by box
--

CREATE FUNCTION sbox_contains_ellipse_com_neg(sellipse, sbox)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_cont_ellipse_com_neg'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox_contains_ellipse_com_neg(sellipse, sbox) IS
  'true if spherical box does not contain spherical ellipse';


--
-- ellipse contains box
--

CREATE FUNCTION sellipse_contains_box(sellipse, sbox)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'sphereellipse_cont_box'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sellipse_contains_box(sellipse, sbox) IS
  'true if spherical ellipse contains spherical box';


--
-- box is contained by ellipse
--

CREATE FUNCTION sellipse_contains_box_com(sbox, sellipse)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'sphereellipse_cont_box_com'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sellipse_contains_box_com(sbox, sellipse) IS
  'true if spherical ellipse contains spherical box';


--
-- ellipse does not contain box
--

CREATE FUNCTION sellipse_contains_box_neg(sellipse, sbox)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'sphereellipse_cont_box_neg'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sellipse_contains_box_neg(sellipse, sbox) IS
  'true if spherical ellipse does not contain spherical box';


--
-- box is not contained by ellipse
--

CREATE FUNCTION sellipse_contains_box_com_neg(sbox, sellipse)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'sphereellipse_cont_box_com_neg'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sellipse_contains_box_com_neg(sbox, sellipse) IS
  'true if spherical ellipse does not contain spherical box';


--
-- ellipse overlaps box
--

CREATE FUNCTION sbox_overlap_ellipse(sbox, sellipse)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_overlap_ellipse'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox_overlap_ellipse(sbox, sellipse) IS
  'true if spherical ellipse overlap spherical box';


CREATE OPERATOR && (
   LEFTARG    = sbox,
   RIGHTARG   = sellipse,
   PROCEDURE  = sbox_overlap_ellipse,
   COMMUTATOR = '&&',
   NEGATOR    = '!&&',
   RESTRICT   = contsel,
   JOIN       = contjoinsel
);

COMMENT ON OPERATOR && (sbox, sellipse) IS
  'true if spherical ellipse overlap spherical box';

--
-- box overlaps ellipse
--

CREATE FUNCTION sbox_overlap_ellipse_com(sellipse, sbox)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_overlap_ellipse_com'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION  sbox_overlap_ellipse_com(sellipse, sbox) IS
  'true if spherical ellipse overlap spherical box';


CREATE OPERATOR && (
   LEFTARG    = sellipse,
   RIGHTARG   = sbox,
   PROCEDURE  = sbox_overlap_ellipse_com,
   COMMUTATOR = '&&',
   NEGATOR    = '!&&',
   RESTRICT   = contsel,
   JOIN       = contjoinsel
);

COMMENT ON OPERATOR && (sellipse, sbox) IS
  'true if spherical ellipse overlap spherical box';


--
-- ellipse does not overlap box
--

CREATE FUNCTION sbox_overlap_ellipse_neg(sbox, sellipse)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_overlap_ellipse_neg'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION  sbox_overlap_ellipse_neg(sbox, sellipse) IS
  'true if spherical ellipse does not overlap spherical box';


CREATE OPERATOR !&& (
   LEFTARG    = sbox,
   RIGHTARG   = sellipse,
   PROCEDURE  = sbox_overlap_ellipse_neg,
   COMMUTATOR = '!&&',
   NEGATOR    = '&&',
   RESTRICT   = contsel,
   JOIN       = contjoinsel
);

COMMENT ON OPERATOR !&& (sbox, sellipse) IS
  'true if spherical ellipse does not overlap spherical box';

--
-- box does not overlap ellipse
--

CREATE FUNCTION sbox_overlap_ellipse_com_neg(sellipse, sbox)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_overlap_ellipse_com_neg'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION  sbox_overlap_ellipse_com_neg(sellipse, sbox) IS
  'true if spherical ellipse does not overlap spherical box';


CREATE OPERATOR !&& (
   LEFTARG    = sellipse,
   RIGHTARG   = sbox,
   PROCEDURE  = sbox_overlap_ellipse_com_neg,
   COMMUTATOR = '!&&',
   NEGATOR    = '&&',
   RESTRICT   = contsel,
   JOIN       = contjoinsel
);

COMMENT ON OPERATOR !&& (sellipse, sbox) IS
  'true if spherical ellipse does not overlap spherical box';



--
-- box contains polygon
--

CREATE FUNCTION sbox_contains_poly(sbox, spoly)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_cont_poly'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox_contains_poly(sbox, spoly) IS
  'true if spherical box contains spherical polygon';


--
-- polygon is contained by box
--

CREATE FUNCTION sbox_contains_poly_com(spoly, sbox)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_cont_poly_com'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox_contains_poly_com(spoly, sbox) IS
  'true if spherical box contains spherical polygon';


--
-- box does not contain polygon
--

CREATE FUNCTION sbox_contains_poly_neg(sbox, spoly)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_cont_poly_neg'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox_contains_poly_neg(sbox, spoly) IS
  'true if spherical box does not contain spherical polygon';


--
-- polygon is not contained by box
--

CREATE FUNCTION sbox_contains_poly_com_neg(spoly, sbox)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_cont_poly_com_neg'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox_contains_poly_com_neg(spoly, sbox) IS
  'true if spherical box does not contain spherical polygon';


--
-- polygon contains box
--

CREATE FUNCTION spoly_contains_box(spoly, sbox)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherepoly_cont_box'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION spoly_contains_box(spoly, sbox) IS
  'true if spherical polygon contains spherical box';


--
-- box is contained by polygon
--

CREATE FUNCTION spoly_contains_box_com(sbox, spoly)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherepoly_cont_box_com'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION spoly_contains_box_com(sbox, spoly) IS
  'true if spherical polygon contains spherical box';


--
-- polygon does not contain box
--

CREATE FUNCTION spoly_contains_box_neg(spoly, sbox)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherepoly_cont_box_neg'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION spoly_contains_box_neg(spoly, sbox) IS
  'true if spherical polygon does not contain spherical box';


--
-- box is not contained by polygon
--

CREATE FUNCTION spoly_contains_box_com_neg(sbox, spoly)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherepoly_cont_box_com_neg'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION spoly_contains_box_com_neg(sbox, spoly) IS
  'true if spherical polygon does not contain spherical box';


--
-- polygon overlaps box
--

CREATE FUNCTION sbox_overlap_poly(sbox, spoly)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_overlap_poly'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox_overlap_poly(sbox, spoly) IS
  'true if spherical polygon overlap spherical box';


CREATE OPERATOR && (
   LEFTARG    = sbox,
   RIGHTARG   = spoly,
   PROCEDURE  = sbox_overlap_poly,
   COMMUTATOR = '&&',
   NEGATOR    = '!&&',
   RESTRICT   = contsel,
   JOIN       = contjoinsel
);

COMMENT ON OPERATOR && (sbox, spoly) IS
  'true if spherical polygon overlap spherical box';

--
-- box overlaps polygon
--

CREATE FUNCTION sbox_overlap_poly_com(spoly, sbox)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_overlap_poly_com'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION  sbox_overlap_poly_com(spoly, sbox) IS
  'true if spherical polygon overlap spherical box';


CREATE OPERATOR && (
   LEFTARG    = spoly,
   RIGHTARG   = sbox,
   PROCEDURE  = sbox_overlap_poly_com,
   COMMUTATOR = '&&',
   NEGATOR    = '!&&',
   RESTRICT   = contsel,
   JOIN       = contjoinsel
);

COMMENT ON OPERATOR && (spoly, sbox) IS
  'true if spherical polygon overlap spherical box';


--
-- polygon does not overlap box
--

CREATE FUNCTION sbox_overlap_poly_neg(sbox, spoly)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_overlap_poly_neg'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION  sbox_overlap_poly_neg(sbox, spoly) IS
  'true if spherical polygon does not overlap spherical box';


CREATE OPERATOR !&& (
   LEFTARG    = sbox,
   RIGHTARG   = spoly,
   PROCEDURE  = sbox_overlap_poly_neg,
   COMMUTATOR = '!&&',
   NEGATOR    = '&&',
   RESTRICT   = contsel,
   JOIN       = contjoinsel
);

COMMENT ON OPERATOR !&& (sbox, spoly) IS
  'true if spherical polygon does not overlap spherical box';

--
-- box does not overlap polygon
--

CREATE FUNCTION sbox_overlap_poly_com_neg(spoly, sbox)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_overlap_poly_com_neg'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION  sbox_overlap_poly_com_neg(spoly, sbox) IS
  'true if spherical polygon does not overlap spherical box';


CREATE OPERATOR !&& (
   LEFTARG    = spoly,
   RIGHTARG   = sbox,
   PROCEDURE  = sbox_overlap_poly_com_neg,
   COMMUTATOR = '!&&',
   NEGATOR    = '&&',
   RESTRICT   = contsel,
   JOIN       = contjoinsel
);

COMMENT ON OPERATOR !&& (spoly, sbox) IS
  'true if spherical polygon does not overlap spherical box';



--
-- box contains path
--

CREATE FUNCTION sbox_contains_path(sbox, spath)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_cont_path'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox_contains_path(sbox, spath) IS
  'true if spherical box contains spherical path';


--
-- path is contained by box
--

CREATE FUNCTION sbox_contains_path_com(spath, sbox)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_cont_path_com'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox_contains_path_com(spath, sbox) IS
  'true if spherical box contains spherical path';


--
-- box does not contain path
--

CREATE FUNCTION sbox_contains_path_neg(sbox, spath)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_cont_path_neg'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox_contains_path_neg(sbox, spath) IS
  'true if spherical box does not contain spherical path';


--
-- path is not contained by box
--

CREATE FUNCTION sbox_contains_path_com_neg(spath, sbox)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_cont_path_com_neg'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox_contains_path_com_neg(spath, sbox) IS
  'true if spherical box does not contain spherical path';


--
-- path overlaps box
--

CREATE FUNCTION sbox_overlap_path(sbox, spath)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_overlap_path'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION sbox_overlap_path(sbox, spath) IS
  'true if spherical path overlap spherical box';


CREATE OPERATOR && (
   LEFTARG    = sbox,
   RIGHTARG   = spath,
   PROCEDURE  = sbox_overlap_path,
   COMMUTATOR = '&&',
   NEGATOR    = '!&&',
   RESTRICT   = contsel,
   JOIN       = contjoinsel
);

COMMENT ON OPERATOR && (sbox, spath) IS
  'true if spherical path overlap spherical box';

--
-- box overlaps path
--

CREATE FUNCTION sbox_overlap_path_com(spath, sbox)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_overlap_path_com'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION  sbox_overlap_path_com(spath, sbox) IS
  'true if spherical path overlap spherical box';


CREATE OPERATOR && (
   LEFTARG    = spath,
   RIGHTARG   = sbox,
   PROCEDURE  = sbox_overlap_path_com,
   COMMUTATOR = '&&',
   NEGATOR    = '!&&',
   RESTRICT   = contsel,
   JOIN       = contjoinsel
);

COMMENT ON OPERATOR && (spath, sbox) IS
  'true if spherical path overlap spherical box';


--
-- path does not overlap box
--

CREATE FUNCTION sbox_overlap_path_neg(sbox, spath)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_overlap_path_neg'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION  sbox_overlap_path_neg(sbox, spath) IS
  'true if spherical path does not overlap spherical box';


CREATE OPERATOR !&& (
   LEFTARG    = sbox,
   RIGHTARG   = spath,
   PROCEDURE  = sbox_overlap_path_neg,
   COMMUTATOR = '!&&',
   NEGATOR    = '&&',
   RESTRICT   = contsel,
   JOIN       = contjoinsel
);

COMMENT ON OPERATOR !&& (sbox, spath) IS
  'true if spherical path does not overlap spherical box';

--
-- box does not overlap path
--

CREATE FUNCTION sbox_overlap_path_com_neg(spath, sbox)
   RETURNS BOOL
   AS 'MODULE_PATHNAME', 'spherebox_overlap_path_com_neg'
   LANGUAGE 'c'
   IMMUTABLE STRICT;

COMMENT ON FUNCTION  sbox_overlap_path_com_neg(spath, sbox) IS
  'true if spherical path does not overlap spherical box';


CREATE OPERATOR !&& (
   LEFTARG    = spath,
   RIGHTARG   = sbox,
   PROCEDURE  = sbox_overlap_path_com_neg,
   COMMUTATOR = '!&&',
   NEGATOR    = '&&',
   RESTRICT   = contsel,
   JOIN       = contjoinsel
);

COMMENT ON OPERATOR !&& (spath, sbox) IS
  'true if spherical path does not overlap spherical box';