1 files changed, 0 insertions, 122 deletions
diff --git a/rbot/plugins/math.rb b/rbot/plugins/math.rb
deleted file mode 100644
index 4a207389..00000000
--- a/rbot/plugins/math.rb
+++ /dev/null
@@ -1,122 +0,0 @@
-class MathPlugin < Plugin
-  @@digits = {
-     "first" => "1",
-     "second" => "2",
-     "third" => "3",
-     "fourth" => "4",
-     "fifth" => "5",
-     "sixth" => "6",
-     "seventh" => "7",
-     "eighth" => "8",
-     "ninth" => "9",
-     "tenth" => "10",
-     "one" => "1",
-     "two" => "2",
-     "three" => "3",
-     "four" => "4",
-     "five" => "5",
-     "six" => "6",
-     "seven" => "7",
-     "eight" => "8",
-     "nine" => "9",
-     "ten" => "10"
-  };
-
-  def help(plugin, topic="")
-    "math <expression>, evaluate mathematical expression"
-  end
-  def privmsg(m)
-    unless(m.params)
-      m.reply "incorrect usage: " + help(m.plugin)
-      return
-    end
-
-    expr = m.params.dup
-    @@digits.each {|k,v|
-      expr.gsub!(/\b#{k}\b/, v)
-    }
-
-    while expr =~ /(exp ([\w\d]+))/
-      exp = $1
-      val = Math.exp($2).to_s
-      expr.gsub!(/#{Regexp.escape exp}/, "+#{val}")
-    end
-    
-    while expr =~ /^\s*(dec2hex\s*(\d+))\s*\?*/
-      exp = $1
-      val = sprintf("%x", $2)
-      expr.gsub!(/#{Regexp.escape exp}/, "+#{val}")
-    end
-
-    expr.gsub(/\be\b/, Math.exp(1).to_s)
-
-    while expr =~ /(log\s*((\d+\.?\d*)|\d*\.?\d+))\s*/
-      exp = $1
-      res = $2
-      
-      if res == 0
-        val = "Infinity"
-      else
-        val = Math.log(res).to_s
-      end
-      
-      expr.gsub!(/#{Regexp.escape exp}/, "+#{val}")
-    end
-
-    while expr =~ /(bin2dec ([01]+))/
-      exp = $1
-      val = join('', unpack('B*', pack('N', $2)))
-      val.gsub!(/^0+/, "")
-      expr.gsub!(/#{Regexp.escape exp}/, "+#{val}")
-    end
-
-    expr.gsub!(/ to the power of /, " ** ")
-    expr.gsub!(/ to the /, " ** ")
-    expr.gsub!(/\btimes\b/, "*")
-    expr.gsub!(/\bdiv(ided by)? /, "/ ")
-    expr.gsub!(/\bover /, "/ ")
-    expr.gsub!(/\bsquared/, "**2 ")
-    expr.gsub!(/\bcubed/, "**3 ")
-    expr.gsub!(/\bto\s+(\d+)(r?st|nd|rd|th)?( power)?/, "**\1 ")
-    expr.gsub!(/\bpercent of/, "*0.01*")
-    expr.gsub!(/\bpercent/, "*0.01")
-    expr.gsub!(/\% of\b/, "*0.01*")
-    expr.gsub!(/\%/, "*0.01")
-    expr.gsub!(/\bsquare root of (\d+)/, "\1 ** 0.5 ")
-    expr.gsub!(/\bcubed? root of (\d+)/, "\1 **(1.0/3.0) ")
-    expr.gsub!(/ of /, " * ")
-    expr.gsub!(/(bit(-| )?)?xor(\'?e?d( with))?/, "^")
-    expr.gsub!(/(bit(-| )?)?or(\'?e?d( with))?/, "|")
-    expr.gsub!(/bit(-| )?and(\'?e?d( with))?/, "& ")
-    expr.gsub!(/(plus|and)/, "+")
-
-    if (expr =~ /^\s*[-\d*+\s()\/^\.\|\&\*\!]+\s*$/ &&
-       expr !~ /^\s*\(?\d+\.?\d*\)?\s*$/ &&
-       expr !~ /^\s*$/ &&
-       expr !~ /^\s*[( )]+\s*$/)
-
-       begin
-         debug "evaluating expression \"#{expr}\""
-         answer = eval(expr)
-         if answer =~ /^[-+\de\.]+$/
-           answer = sprintf("%1.12f", answer)
-           answer.gsub!(/\.?0+$/, "")
-           answer.gsub!(/(\.\d+)000\d+/, '\1')
-           if (answer.length > 30)
-             answer = "a number with >30 digits..."
-           end
-         end
-         m.reply answer
-       rescue Exception => e
-         puts "couldn't evaluate expression \"#{m.params}\": #{e}"
-         m.reply "illegal expression \"#{m.params}\""
-         return
-       end
-    else
-      m.reply "illegal expression \"#{m.params}\""
-      return
-    end
-  end
-end
-plugin = MathPlugin.new
-plugin.register("math")