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48 lines
1.1 KiB
48 lines
1.1 KiB
11 years ago
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/*
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* Copyright 2008-2012 NVIDIA Corporation
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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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*/
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#pragma once
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namespace thrust
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{
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namespace random
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{
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namespace detail
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{
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template<typename T, int w, int i = w-1>
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struct linear_feedback_shift_engine_wordmask
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{
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static const T value =
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(T(1u) << i) |
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linear_feedback_shift_engine_wordmask<T, w, i-1>::value;
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}; // end linear_feedback_shift_engine_wordmask
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template<typename T, int w>
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struct linear_feedback_shift_engine_wordmask<T, w, 0>
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{
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static const T value = 0;
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}; // end linear_feedback_shift_engine_wordmask
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} // end detail
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} // end random
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} // end thrust
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