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This diff has been restricted to the following files: 'abs.h'

#
# old_revision [d0420ebd87c820e33a32b29727989516e15980a8]
# new_revision [9142f3330490a5aa00c1686475633b620c2ef5e7]
#
# add_file "abs.h"
#  content [c484ad4af3d7c487cd3ff1d3be16c6841ba01429]
#
============================================================
--- /dev/null	
+++ abs.h	c484ad4af3d7c487cd3ff1d3be16c6841ba01429
@@ -0,0 +1,3 @@
+/* abs.h */
+
+#define abs(x) (((x) < 0)? (-(x)) : (x))