mirror of
https://github.com/jerryscript-project/jerryscript.git
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27 lines
1.1 KiB
JavaScript
27 lines
1.1 KiB
JavaScript
// Copyright 2014 Samsung Electronics Co., Ltd.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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Math.random = (function() {
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var seed = 49734321;
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return function() {
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// Robert Jenkins' 32 bit integer hash function.
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seed = ((seed + 0x7ed55d16) + (seed << 12)) & 0xffffffff;
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seed = ((seed ^ 0xc761c23c) ^ (seed >>> 19)) & 0xffffffff;
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seed = ((seed + 0x165667b1) + (seed << 5)) & 0xffffffff;
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seed = ((seed + 0xd3a2646c) ^ (seed << 9)) & 0xffffffff;
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seed = ((seed + 0xfd7046c5) + (seed << 3)) & 0xffffffff;
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seed = ((seed ^ 0xb55a4f09) ^ (seed >>> 16)) & 0xffffffff;
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return (seed & 0xfffffff) / 0x10000000;
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};
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})(); |