Initial.

Author: akorotkov

.gitignore

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+*.o
+*.so
+*.sql
+results
+regression.out
+regression.diffs

COPYRIGHT.pg_sphere

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+Copyright (c) 2003-2010, pgSphere development team
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice,
+      this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+    * Neither the name of the pgSphere development team nor the names of its
+      contributors may be used to endorse or promote products derived from
+      this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+

Makefile

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+MODULE_big = pg_sphere
+OBJS       = sscan.o sparse.o sbuffer.o vector3d.o point.o \
+             euler.o circle.o line.o ellipse.o polygon.o \
+             path.o box.o output.o gq_cache.o gist.o key.o \
+             crossmatch.o
+
+DATA_built  = pg_sphere.sql
+DOCS        = README.pg_sphere COPYRIGHT.pg_sphere
+REGRESS     = init tables points euler circle line ellipse poly path box index
+EXTRA_CLEAN = pg_sphere.sql pg_sphere.sql.in $(PGS_SQL) 
+
+CRUSH_TESTS  = init_extended circle_extended 
+
+# order of sql files is important
+PGS_SQL    =  pgs_types.sql pgs_point.sql pgs_euler.sql pgs_circle.sql \
+   pgs_line.sql pgs_ellipse.sql pgs_polygon.sql pgs_path.sql \
+   pgs_box.sql pgs_gist.sql pgs_crossmatch.sql
+
+ifdef USE_PGXS
+  ifndef PG_CONFIG
+    PG_CONFIG := pg_config
+  endif
+  PGXS := $(shell $(PG_CONFIG) --pgxs)
+  include $(PGXS)
+else
+  subdir = contrib/pg_sphere
+  top_builddir = ../..
+  PG_CONFIG := $(top_builddir)/src/bin/pg_config/pg_config
+  include $(top_builddir)/src/Makefile.global
+  include $(top_srcdir)/contrib/contrib-global.mk
+endif
+
+PGVERSION += $(shell $(PG_CONFIG) --version | sed 's,^PostgreSQL[[:space:]][[:space:]]*,,' | awk '{ split($$1,a,"."); printf( "v%02d%02d%02d" ,a[1], a[2], a[3]); }' )
+
+crushtest: REGRESS += $(CRUSH_TESTS)
+crushtest: installcheck
+
+pg_sphere.sql.in : $(addsuffix .in, $(PGS_SQL))
+	echo 'BEGIN;' > $@
+	for i in $+ ; do $(AWK) -v pg_version=$(PGVERSION) -f sql.awk < $$i >> $@ ; done
+	echo 'COMMIT;' >> $@
+
+sscan.o : sparse.c
+
+sparse.c: sparse.y
+ifdef YACC
+	$(YACC) -d $(YFLAGS) -p sphere_yy -o sparse.c $<
+else
+	@$(missing) bison $< $@
+endif
+
+sscan.c : sscan.l
+ifdef FLEX
+	$(FLEX) $(FLEXFLAGS) -Psphere -o$@ $<
+else
+	@$(missing) flex $< $@
+endif
+
+dist : clean sparse.c sscan.c
+	find . -name '*~' -type f -exec rm {} \;
+	cd .. && tar  --exclude CVS -czf pg_sphere.tar.gz pg_sphere && cd -
+ 	

README.pg_sphere

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+This is R-Tree implementation using GiST for spherical objects
+like spherical points and spherical circles with 
+useful functions and operators.
+
+
+NOTICE:
+     This version will works only with postgresql version 8.0 and above.
+
+INSTALLATION:
+
+  gmake
+  gmake install
+  -- load functions
+  psql <database> < pg_sphere.sql
+
+REGRESSION TEST:
+
+   gmake installcheck
+
+LONG REGRESSION TEST:
+
+   gmake crushtest
+
+For more informations have a look at http://pgsphere.projects.postgresql.org/
+
+Have a lot of fun! 
+