feat: nextBool에서 0.5인 경우 엔트로피 절약

hwe/ts/util/RandUtil.ts

@@ -32,6 +32,9 @@ export class RandUtil {
         if (prob >= 1) {
             return true;
         }
+        if (prob === 0.5){
+            return this.nextBit();
+        }
         return this.nextFloat1() < prob;
     }
 

src/sammo/RandUtil.php

@@ -42,6 +42,9 @@ class RandUtil
         if ($prob >= 1) {
             return true;
         }
+        if($prob === 0.5){
+            return $this->nextBit();
+        }
         return $this->nextFloat1() < $prob;
     }