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<?php echo purebell(0, 3, 3); function purebell($min,$max,$std_deviation,$step=1){ $rand1 = (float)mt_rand()/(float)mt_getrandmax(); $rand2 = (float)mt_rand()/(float)mt_getrandmax(); $gaussian_number = sqrt(-2 * log($rand1)) * cos(2 * M_PI * $rand2); $mean = ($max + $min) / 2; $random_number = ($gaussian_number * $std_deviation) + $mean; $random_number = round($random_number / $step) * $step; if($random_number < $min || $random_number > $max){ $random_number = purebell($min, $max,$std_deviation); } return $random_number; }
Output for 7.2.1, 7.2.4, 7.2.9, 7.2.14, 7.2.23, 7.2.31, 7.3.5 - 7.3.6, 7.3.8, 7.3.16, 7.3.19, 7.3.21, 7.4.6 - 7.4.7, 7.4.10
3
Output for 7.2.0, 7.2.2, 7.2.6 - 7.2.8, 7.2.13, 7.2.17, 7.2.24, 7.2.26, 7.2.29, 7.2.33, 7.3.3 - 7.3.4, 7.3.13 - 7.3.15, 7.4.0, 7.4.8 - 7.4.9
2
Output for 7.2.10 - 7.2.12, 7.2.19 - 7.2.20, 7.2.27 - 7.2.28, 7.2.32, 7.3.0, 7.3.9 - 7.3.11, 7.3.17 - 7.3.18, 7.3.20, 7.4.2 - 7.4.3, 7.4.5
1
Output for 7.2.15, 7.2.18, 7.4.4
0
Output for 7.2.3, 7.2.5, 7.2.16, 7.2.21 - 7.2.22, 7.2.25, 7.2.30, 7.3.1 - 7.3.2, 7.3.7, 7.3.12, 7.3.22, 7.4.1
-0
preferences:
56.63 ms | 412 KiB | 5 Q