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Multiply-with-carry pseudo random number generator by George Marsaglia. Code from: http://en.wikipedia.org/wiki/Random_number_generation
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| m_w = 0x46ab2f73d #must not be zero, nor 0x464fffff | |
| m_z = 0xa368bbec #must not be zero, nor 0x9068ffff | |
| def mwc(): | |
| global m_w | |
| global m_z | |
| m_z = 36969 * (m_z & 65535) + (m_z >> 16) | |
| m_w = 18000 * (m_w & 65535) + (m_w >> 16) | |
| return (m_z << 16) + m_w #32-bit result |
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