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<is_nanlog10>
Last updated: Mon, 16 Jul 2012

lcg_value

(PHP 4, PHP 5)

lcg_value -- 组合线性同余发生器

说明

float lcg_value ( void )

lcg_value() 返回范围为 (0, 1) 的一个伪随机数。本函数组合了周期为 2^31 - 85 和 2^31 - 249 的两个同余发生器。本函数的周期等于这两个素数的乘积。




<is_nanlog10>
 Last updated: Mon, 16 Jul 2012
 
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