1 files changed, 0 insertions, 49 deletions
diff --git a/ext/bigdecimal/lib/pai.rb b/ext/bigdecimal/lib/pai.rb
deleted file mode 100644
index 4e2dd7104a..0000000000
--- a/ext/bigdecimal/lib/pai.rb
+++ /dev/null
@@ -1,49 +0,0 @@
-#!/usr/local/bin/ruby
-
-#
-# pai.rb
-#
-
-require "bigdecimal"
-#
-# Calculates 3.1415.... using J. Machin's formula.
-#
-def pai(sig) # sig: Number of significant figures
-  exp    = -sig
-  pi     = BigDecimal::new("0")
-  two    = BigDecimal::new("2")
-  m25    = BigDecimal::new("-0.04")
-  m57121 = BigDecimal::new("-57121")
-
-  u = BigDecimal::new("1")
-  k = BigDecimal::new("1")
-  w = BigDecimal::new("1")
-  t = BigDecimal::new("-80")
-  while (u.exponent >= exp) 
-    t   = t*m25
-    u,r = t.div(k,sig)
-    pi  = pi + u
-    k   = k+two
-  end
-
-  u = BigDecimal::new("1")
-  k = BigDecimal::new("1")
-  w = BigDecimal::new("1")
-  t = BigDecimal::new("956")
-  while (u.exponent >= exp )
-    t,r = t.div(m57121,sig)
-    u,r = t.div(k,sig)
-    pi  = pi + u
-    k   = k+two
-  end
-  pi
-end
-
-if $0 == __FILE__
-  if ARGV.size == 1
-    print "PAI("+ARGV[0]+"):\n"
-    p pai(ARGV[0].to_i)
-  else
-    print "TRY: ruby pai.rb 1000 \n"
-  end
-end