blob: 322f2cb9282dcb1cf67611351104fcdca0d43fce [file] [log] [blame]
// Copyright (c) 2020, 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.
// TODO(jlcontreras): this is a temp file for the valueClass experiment
const valueClass = "valueClass";
/// This code is from the dart.math sdk/lib/math/jenkins_smi_hash.dart
class JenkinsSmiHash {
static int combine(int hash, int value) {
hash = 0x1fffffff & (hash + value);
hash = 0x1fffffff & (hash + ((0x0007ffff & hash) << 10));
return hash ^ (hash >> 6);
}
static int finish(int hash) {
hash = 0x1fffffff & (hash + ((0x03ffffff & hash) << 3));
hash = hash ^ (hash >> 11);
return 0x1fffffff & (hash + ((0x00003fff & hash) << 15));
}
}