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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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* OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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* |
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* Any feedback is very welcome. |
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* http://www.math.sci.hiroshima-u.ac.jp/~m-mat/MT/emt.html |
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* email: m-mat @ math.sci.hiroshima-u.ac.jp (remove space) |
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*/ |
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|
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#ifndef LEMON_RANDOM_H |
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#define LEMON_RANDOM_H |
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|
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#include <algorithm> |
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#include <iterator> |
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#include <vector> |
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#include <ctime> |
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#include <limits> |
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|
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#include <lemon/math.h> |
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#include <lemon/dim2.h> |
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|
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///\ingroup misc |
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///\file |
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///\brief Mersenne Twister random number generator |
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|
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namespace lemon { |
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|
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namespace _random_bits { |
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|
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template <typename _Word, int _bits = std::numeric_limits<_Word>::digits> |
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struct RandomTraits {}; |
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|
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template <typename _Word> |
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struct RandomTraits<_Word, 32> { |
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|
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typedef _Word Word; |
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static const int bits = 32; |
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|
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static const int length = 624; |
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static const int shift = 397; |
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