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authorshyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2007-08-29 04:06:12 +0000
committershyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2007-08-29 04:06:12 +0000
commit11dbedfaad4a9a9521ece2198a8dc491678b1902 (patch)
tree4806dc0ff0c3827ecc40921838c4507340cfdb3a /ruby_1_8_6/ext/bigdecimal/sample/pi.rb
parent29e8d8b439b34c2a394407dc598fc01d14be0c20 (diff)
add tag v1_8_6_5001v1_8_6_5001
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_8_6_5001@13304 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
1 files changed, 20 insertions, 0 deletions
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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index 0000000000..2f7dd27d60
--- /dev/null
+++ 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