(PECL stats >= 1.0.0)
stats_rand_gen_normal — Generates a single random deviate from a normal distribution with mean, av, and standard deviation, sd (sd >= 0). Method : Renames SNORM from TOMS as slightly modified by BWB to use RANF instead of SUNIF.
$av
, float $sd
)本函数还未编写文档,仅有参数列表。
av
sd