added tag v1_9_0_4

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_9_0_4@18845 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 30 insertions, 0 deletions

diff --git a/trunk/benchmark/bm_so_reverse_complement.rb b/trunk/benchmark/bm_so_reverse_complement.rb
new file mode 100644
index 0000000000..82ea666994
--- /dev/null
+++ b/trunk/benchmark/bm_so_reverse_complement.rb
@@ -0,0 +1,30 @@
+#!/usr/bin/ruby
+# The Great Computer Language Shootout
+# http://shootout.alioth.debian.org/
+#
+# Contributed by Peter Bjarke Olsen
+# Modified by Doug King
+
+seq=Array.new
+
+def revcomp(seq)
+  seq.reverse!.tr!('wsatugcyrkmbdhvnATUGCYRKMBDHVN','WSTAACGRYMKVHDBNTAACGRYMKVHDBN')
+  stringlen=seq.length
+  0.step(stringlen-1,60) {|x| print seq.slice(x,60) , "\n"}
+end
+
+input = open(File.join(File.dirname($0), 'fasta.output.2500000'), 'rb')
+
+while input.gets
+  if $_ =~ />/
+    if seq.length != 0
+      revcomp(seq.join)
+      seq=Array.new
+    end
+    puts $_
+  else
+    $_.sub(/\n/,'')
+    seq.push $_
+  end
+end
+revcomp(seq.join)