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authorJoseph Hunkeler <jhunkeler@gmail.com>2015-07-08 20:46:52 -0400
committerJoseph Hunkeler <jhunkeler@gmail.com>2015-07-08 20:46:52 -0400
commitfa080de7afc95aa1c19a6e6fc0e0708ced2eadc4 (patch)
treebdda434976bc09c864f2e4fa6f16ba1952b1e555 /sys/plio/plpolygon.h
downloadiraf-linux-fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4.tar.gz
Initial commit
Diffstat (limited to 'sys/plio/plpolygon.h')
-rw-r--r--sys/plio/plpolygon.h16
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diff --git a/sys/plio/plpolygon.h b/sys/plio/plpolygon.h
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+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+
+define TOL 0.0001 # pixel units
+define swapi {tempi=$2;$2=$1;$1=tempi}
+define swapr {tempr=$2;$2=$1;$1=tempr}
+define equal (abs($1-$2)<TOL)
+
+define LEN_PGONDES 7
+define P_PL Memi[$1] # pointer to X vector
+define P_XP Memi[$1+1] # pointer to X vector
+define P_YP Memi[$1+2] # pointer to Y vector
+define P_OO Memi[$1+3] # pointer to previous range list
+define P_OY Memi[$1+4] # y value of previous range list
+define P_NS Memi[$1+5] # number of line segments
+define P_PV Memi[$1+6] # pixel value