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-rw-r--r--lib/mathn.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/mathn.rb b/lib/mathn.rb
index b18a0edb25..004f41748e 100644
--- a/lib/mathn.rb
+++ b/lib/mathn.rb
@@ -38,6 +38,8 @@
# class Numeric follows to make this documentation findable in a reasonable
# location
+warn('lib/mathn.rb is deprecated') if $VERBOSE
+
class Numeric; end
require "cmath.rb"