note 125061 added to function.stats-rand-gen-normal

Alternative of "stats_rand_gen_normal()". <?php /** * "Box–Muller transform" based random deviate generator. * * @ref https://en.wikipedia.org/wiki/Box%E2%80%93Muller_transform * * @param float|int $av Average/Mean * @param float|int $sd Standard deviation * @return float */ if (! function_exists('stats_rand_gen_normal')) { function stats_rand_gen_normal($av, $sd): float { $x = mt_rand() / mt_getrandmax(); $y = mt_rand() / mt_getrandmax(); return sqrt(-2 * log($x)) * cos(2 * pi() * $y) * $sd + $av; } } ?> ---- Server IP: 45.112.84.4 Probable Submitter: 103.51.166.36 (proxied: 122.219.245.20) ---- Manual Page -- http://php.net/manual/en/function.stats-rand-gen-normal.php Edit -- https://master.php.net/note/edit/125061 Del: integrated -- https://master.php.net/note/delete/125061/integrated Del: useless -- https://master.php.net/note/delete/125061/useless Del: bad code -- https://master.php.net/note/delete/125061/bad+code Del: spam -- https://master.php.net/note/delete/125061/spam Del: non-english -- https://master.php.net/note/delete/125061/non-english Del: in docs -- https://master.php.net/note/delete/125061/in+docs Del: other reasons-- https://master.php.net/note/delete/125061 Reject -- https://master.php.net/note/reject/125061 Search -- https://master.php.net/manage/user-notes.php