pgsphere - pgsphere: # Fixes some precission problems with small

Log Message:
-----------
# Fixes some precission problems with small distances and objects
# Fix build of polygon index keys
# Fix negator of ellipse and polygon

Modified Files:
--------------
    pgsphere:
        COPYRIGHT.pg_sphere (r1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsphere/pgsphere/COPYRIGHT.pg_sphere?r1=1.1&r2=1.2)
        circle.c (r1.1.1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsphere/pgsphere/circle.c?r1=1.1.1.1&r2=1.2)
        ellipse.c (r1.1.1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsphere/pgsphere/ellipse.c?r1=1.1.1.1&r2=1.2)
        README.pg_sphere (r1.2 -> r1.3)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsphere/pgsphere/README.pg_sphere?r1=1.2&r2=1.3)
        path.c (r1.2 -> r1.3)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsphere/pgsphere/path.c?r1=1.2&r2=1.3)
        point.c (r1.2 -> r1.3)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsphere/pgsphere/point.c?r1=1.2&r2=1.3)
        line.c (r1.6 -> r1.7)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsphere/pgsphere/line.c?r1=1.6&r2=1.7)
        polygon.c (r1.2 -> r1.3)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsphere/pgsphere/polygon.c?r1=1.2&r2=1.3)
        pgs_ellipse.sql.in (r1.1.1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsphere/pgsphere/pgs_ellipse.sql.in?r1=1.1.1.1&r2=1.2)
        euler.c (r1.1.1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsphere/pgsphere/euler.c?r1=1.1.1.1&r2=1.2)
        vector3d.c (r1.1.1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsphere/pgsphere/vector3d.c?r1=1.1.1.1&r2=1.2)
        vector3d.h (r1.1.1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsphere/pgsphere/vector3d.h?r1=1.1.1.1&r2=1.2)
        box.c (r1.2 -> r1.3)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsphere/pgsphere/box.c?r1=1.2&r2=1.3)
        pgs_polygon.sql.in (r1.1.1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsphere/pgsphere/pgs_polygon.sql.in?r1=1.1.1.1&r2=1.2)
        key.c (r1.1.1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsphere/pgsphere/key.c?r1=1.1.1.1&r2=1.2)
    pgsphere/testsuite:
        gen_point.pl (r1.1.1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsphere/pgsphere/testsuite/gen_point.pl?r1=1.1.1.1&r2=1.2)
    pgsphere/expected:
        line.out (r1.2 -> r1.3)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsphere/pgsphere/expected/line.out?r1=1.2&r2=1.3)
        circle_extended.out (r1.1.1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsphere/pgsphere/expected/circle_extended.out?r1=1.1.1.1&r2=1.2)
        ellipse.out (r1.1.1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsphere/pgsphere/expected/ellipse.out?r1=1.1.1.1&r2=1.2)
        init_extended.out (r1.1.1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsphere/pgsphere/expected/init_extended.out?r1=1.1.1.1&r2=1.2)
        poly.out (r1.5 -> r1.6)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsphere/pgsphere/expected/poly.out?r1=1.5&r2=1.6)
    pgsphere/sql:
        line.sql (r1.2 -> r1.3)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsphere/pgsphere/sql/line.sql?r1=1.2&r2=1.3)
        ellipse.sql (r1.1.1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsphere/pgsphere/sql/ellipse.sql?r1=1.1.1.1&r2=1.2)
        poly.sql (r1.4 -> r1.5)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsphere/pgsphere/sql/poly.sql?r1=1.4&r2=1.5)