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Unified Diff: client/html/benchmarks/common/Math2.dart

Issue 9845043: Rename client/{dom,html} to lib/{dom,html} . (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 8 years, 9 months ago
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Index: client/html/benchmarks/common/Math2.dart
===================================================================
--- client/html/benchmarks/common/Math2.dart (revision 5796)
+++ client/html/benchmarks/common/Math2.dart (working copy)
@@ -1,49 +0,0 @@
-// 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.
-
-// Various math-related utility functions.
-
-class Math2 {
- /// Computes the geometric mean of a set of numbers.
- /// [minNumber] is optional (defaults to 0.001) anything smaller than this
- /// will be changed to this value, eliminating infinite results.
- static double geometricMean(Array<double> numbers,
- [double minNumber = 0.001]) {
- double log = 0.0;
- int nNumbers = 0;
- for (int i = 0, n = numbers.length; i < n; i++) {
- double number = numbers[i];
- if (number < minNumber) {
- number = minNumber;
- }
- nNumbers++;
- log += Math.log(number);
- }
-
- return nNumbers > 0 ? Math.pow(Math.E, log / nNumbers) : 0.0;
- }
-
- static int round(double d) {
- return d.round().toInt();
- }
-
- static int floor(double d) {
- return d.floor().toInt();
- }
-
- // TODO (olonho): use d.toStringAsFixed(precision) when implemented by DartVM
- static String toStringAsFixed(num d, int precision) {
- String dStr = d.toString();
- int pos = dStr.indexOf('.', 0);
- int end = pos < 0 ? dStr.length : pos + precision;
- if (precision > 0) {
- end++;
- }
- if (end > dStr.length) {
- end = dStr.length;
- }
-
- return dStr.substring(0, end);
- }
-}
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