Merge pull request #142 from boostorg/splitmix

mborland · web-flow · commit 815af3028922 · 2025-10-24T08:40:06.000+02:00
diff --git a/include/boost/random/splitmix64.hpp b/include/boost/random/splitmix64.hpp
@@ -116,10 +116,7 @@ class splitmix64
     /** Advances the state of the generator by @c z. */
     inline void discard(std::uint64_t z) noexcept
     {
-        for (std::uint64_t i {}; i < z; ++i)
-        {
-            next();
-        }
+        state_ += z * UINT64_C(0x9E3779B97F4A7C15);
     }
 
     /**

Original file line number	Diff line number	Diff line change
`@@ -116,10 +116,7 @@ class splitmix64`
`116`	`116`	`/** Advances the state of the generator by @c z. */`
`117`	`117`	`inline void discard(std::uint64_t z) noexcept`
`118`	`118`	`{`
`119`		`- for (std::uint64_t i {}; i < z; ++i)`
`120`		`- {`
`121`		`- next();`
`122`		`- }`
	`119`	`+ state_ += z * UINT64_C(0x9E3779B97F4A7C15);`
`123`	`120`	`}`
`124`	`121`
`125`	`122`	`/**`