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-rw-r--r--src/lib/intmath/cmp.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/lib/intmath/cmp.h b/src/lib/intmath/cmp.h
index d0b0e8b954..4e6c2b649a 100644
--- a/src/lib/intmath/cmp.h
+++ b/src/lib/intmath/cmp.h
@@ -1,6 +1,6 @@
/* Copyright (c) 2003-2004, Roger Dingledine
* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
- * Copyright (c) 2007-2019, The Tor Project, Inc. */
+ * Copyright (c) 2007-2020, The Tor Project, Inc. */
/* See LICENSE for licensing information */
/**
@@ -36,4 +36,7 @@
((v) > (max)) ? (max) : \
(v) )
+/** Give the absolute value of <b>x</b>, independent of its type. */
+#define ABS(x) ( ((x)<0) ? -(x) : (x) )
+
#endif /* !defined(TOR_INTMATH_CMP_H) */