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authorshyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2008-07-07 07:36:34 +0000
committershyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2008-07-07 07:36:34 +0000
commit441546edcfbb1b346c87b69c5f578d1a0e522e06 (patch)
tree04f606a008baebc445f38944ad37e87468da29ea /ruby_1_8_6/ext/bigdecimal/sample/pi.rb
parentfa93611c0f9a6db146341c792bfe3b7322ec00e2 (diff)
add tag v1_8_6_269
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_8_6_269@17937 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ruby_1_8_6/ext/bigdecimal/sample/pi.rb')
-rw-r--r--ruby_1_8_6/ext/bigdecimal/sample/pi.rb20
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diff --git a/ruby_1_8_6/ext/bigdecimal/sample/pi.rb b/ruby_1_8_6/ext/bigdecimal/sample/pi.rb
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+++ b/ruby_1_8_6/ext/bigdecimal/sample/pi.rb
@@ -0,0 +1,20 @@
+#!/usr/local/bin/ruby
+
+#
+# pi.rb
+#
+# Calculates 3.1415.... (the number of times that a circle's diameter
+# will fit around the circle) using J. Machin's formula.
+#
+
+require "bigdecimal"
+require "bigdecimal/math.rb"
+
+include BigMath
+
+if ARGV.size == 1
+ print "PI("+ARGV[0]+"):\n"
+ p PI(ARGV[0].to_i)
+else
+ print "TRY: ruby pi.rb 1000 \n"
+end