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#include <stdio.h> |
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#include <time.h> |
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#include <math.h> |
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#include <vector> |
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namespace oopse { |
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class MTRand { |
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// Data |
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//Methods |
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public: |
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MTRand( const uint32& oneSeed, int nstrides = 1, int stride = 0); // initialize with a simple uint32 |
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MTRand( uint32 *const bigSeed, uint32 const seedLength = N, int nstrides = 1, int stride = 0); // or an array |
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MTRand(int nstrides = 1, int stride = 0); // auto-initialize with /dev/urandom or time() and clock() |
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MTRand( const uint32& oneSeed, int nstrides, int stride); // initialize with a simple uint32 |
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MTRand( uint32 *const bigSeed, uint32 const seedLength, int nstrides, int stride); // or an array |
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MTRand(int nstrides, int stride); // auto-initialize with /dev/urandom or time() and clock() |
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// Do NOT use for CRYPTOGRAPHY without securely hashing several returned |
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// values together, otherwise the generator state can be learned after |
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void seed( const uint32 oneSeed ); |
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void seed( uint32 *const bigSeed, const uint32 seedLength = N ); |
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void seed(); |
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std::vector<uint32>generateSeeds(); |
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// Saving and loading generator state |
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void save( uint32* saveArray ) const; // to array of size SAVE |
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void load( uint32 *const loadArray ); // from such array |
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*/ |
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inline MTRand::uint32 MTRand::randInt() { |
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uint32 ranNums[nstrides_]; |
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std::vector<uint32> ranNums(nstrides_); |
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for (int i = 0; i < nstrides_; ++i) { |
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ranNums[i] = rawRandInt(); |
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inline void MTRand::seed() |
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{ |
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vector<uint32> seeds; |
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std::vector<uint32> seeds; |
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seeds = generateSeeds(); |
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} |
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inline vector<uint32> MTRand::generateSeeds() { |
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inline std::vector<MTRand::uint32> MTRand::generateSeeds() { |
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// Seed the generator with an array from /dev/urandom if available |
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// Otherwise use a hash of time() and clock() values |
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vector<uint32> bigSeed; |
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std::vector<uint32> bigSeed; |
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// First try getting an array from /dev/urandom |
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FILE* urandom = fopen( "/dev/urandom", "rb" ); |
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return is; |
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} |
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} |
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#endif // MERSENNETWISTER_H |
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// Change log: |
