Removed compiler/ directory from repository

dart/compiler/scripts/metrics_math.sh

-#!/bin/bash
-#
-# Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
-# for details. All rights reserved. Use of this source code is governed by a
-# BSD-style license that can be found in the LICENSE file.
-
-# This file is repsonsible for performing the averag and standard deviation
-# for a specific metrics over a given set of metrics in a file.
-# This should be included in other compiler scripts, or used through
-# sample_metrics.sh
-
-AVERAGE=0
-STDEV=0
-COUNT=0
-
-function do_math_return() {
-  local sum=0
-  local count=0
-  local time
-  for time in $2
-  do
-    sum=$(echo "$sum + $time" | bc -l)
-    (( count++ ))
-  done
-  average=$(echo "$sum / $count" | bc -l)
-  #echo "count=$count, sum=$sum, average=$average"
-
-  #go over the numbers, take the difference from the average and squart, then square root / count.
-  sum_dev=0
-  for time in $2
-  do
-    step=$(echo "$time - $average" | bc -l)
-    sum_dev=$(echo "$sum_dev + $step^2" | bc -l)
-  done
-
-    step=$(echo "$sum_dev / $count" | bc -l)
-  OUT="sqrt(${step})"
-  standard_dev=$(echo $OUT | bc -l | sed 's/\([0-9]*\.[0-9][0-9]\)[0-9]*/\1/')
-  average=$(echo $average | sed 's/\([0-9]*\.[0-9][0-9]\)[0-9]*/\1/')
-  AVERAGE=$average
-  STDEV=$standard_dev
-  COUNT=$count
-}
-
-function do_math() {
-  do_math_return "$1" "$2"
-  echo "$1: average: $AVERAGE stdev: $STDEV count: $COUNT"
-}
-
-function sample_file_return() {
-  TIMES=$(sed -n "s/$2\S*\s*:\s*\(\([0-9]*\)\(\.[0-9]*\)\?\)/\1/p" $3)
-  do_math_return "$1" "$TIMES"
-  SAMPLE_LINE="$1: average: $AVERAGE stdev: $STDEV count: $COUNT"
-}
-
-function sample_file() {
-  TIMES=$(sed -n "s/$2\S*\s*:\s*\(\([0-9]*\)\(\.[0-9]*\)\?\)/\1/p" $3)
-  do_math "$1" "$TIMES"
-}