선형 랜덤에서 값이 음수가 들어가는 경우 보정

2018-11-11 19:53:49 +09:00
parent a231adbfdd
commit e76ad04207
1 changed files with 6 additions and 0 deletions
@@ -460,6 +460,9 @@ class Util extends \utilphp\util

        $rd = self::randF()*$sum;
        foreach ($items as $key=>$value) {
+            if($value <= 0){
+                $value = 0;
+            }
            if ($rd <= $value) {
                return $key;
            }
@@ -490,6 +493,9 @@ class Util extends \utilphp\util

        $rd = self::randF()*$sum;
        foreach ($items as [$item, $value]) {
+            if($value <= 0){
+                $value = 0;
+            }
            if ($rd <= $value) {
                return $item;
            }