fix rand

tsutaj · tsutaj · commit 67dcfb4951a3 · 2024-04-14T15:27:43.000+09:00
diff --git a/marathon/rand.cpp b/marathon/rand.cpp
@@ -35,7 +35,7 @@ struct Rand {
         return std::uniform_int_distribution<int64_t>{0, std::numeric_limits<int64_t>::max()}(eng);
     }
 
-    double NextDouble(double lb, double ub) {
+    double NextDouble(double lb = 0.0, double ub = 1.0) {
         return std::uniform_real_distribution<double>{lb, ub}(eng);
     }
 private:

Original file line number	Diff line number	Diff line change
`@@ -35,7 +35,7 @@ struct Rand {`
`35`	`35`	`return std::uniform_int_distribution<int64_t>{0, std::numeric_limits<int64_t>::max()}(eng);`
`36`	`36`	`}`
`37`	`37`
`38`		`- double NextDouble(double lb, double ub) {`
	`38`	`+ double NextDouble(double lb = 0.0, double ub = 1.0) {`
`39`	`39`	`return std::uniform_real_distribution<double>{lb, ub}(eng);`
`40`	`40`	`}`
`41`	`41`	`private:`