Danny Robson
34788756d2
GCC produces ODR error when including paths of the form './foo' and 'foo' in the same binary. Rather than managing duplication we just universally pick the absolute form over the relative form.
46 lines
1.1 KiB
C++
46 lines
1.1 KiB
C++
/*
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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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* Copyright 2016 Danny Robson <danny@nerdcruft.net>
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*/
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#include "mwc64x.hpp"
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#include "../debug.hpp"
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using util::rand::mwc64x;
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///////////////////////////////////////////////////////////////////////////////
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mwc64x::mwc64x (seed_type _seed):
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m_state (_seed)
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{
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CHECK_NEZ (m_state);
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}
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///////////////////////////////////////////////////////////////////////////////
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mwc64x::value_type
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mwc64x::operator() (void)
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{
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CHECK_NEZ (m_state);
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uint32_t c = m_state >> 32u;
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uint32_t x = m_state & 0xFFFFFFFFu;
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m_state = x * 4294883355ULL + c;
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return x ^ c;
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}
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