Pseudo-random numbers/Xorshift star: Difference between revisions

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@@ Line 1,318: / Line 1,318: @@
 : 20007
 </pre>
+=={{header|Rust}}==
+{{trans|C++}}
+<syntaxhighlight lang="Rust">
+struct XorShiftStar {
+    magic: u64,
+    state: u64,
+}
+impl XorShiftStar {
+    fn new() -> Self {
+        Self {
+            magic: 0x2545_F491_4F6C_DD1D,
+            state: 0,
+        }
+    }
+    fn seed(&mut self, num: u64) {
+        self.state = num;
+    }
+    fn next_int(&mut self) -> u32 {
+        let mut x = self.state;
+        x ^= x >> 12;
+        x ^= x << 25;
+        x ^= x >> 27;
+        self.state = x;
+        ((x.wrapping_mul(self.magic)) >> 32) as u32
+    }
+    fn next_float(&mut self) -> f32 {
+        self.next_int() as f32 / (1u64 << 32) as f32
+    }
+}
+fn main() {
+    let mut rng = XorShiftStar::new();
+    rng.seed(1234567);
+    println!("{}", rng.next_int());
+    println!("{}", rng.next_int());
+    println!("{}", rng.next_int());
+    println!("{}", rng.next_int());
+    println!("{}", rng.next_int());
+    println!();
+    let mut counts = [0; 5];
+    rng.seed(987654321);
+    for _ in 0..100000 {
+        let j = (rng.next_float() * 5.0).floor() as usize;
+        counts[j] += 1;
+    }
+    for (i, count) in counts.iter().enumerate() {
+        println!("{}: {}", i, count);
+    }
+}
+</syntaxhighlight>
+{{out}}
+<pre>
+3540625527
+2750739987
+4037983143
+1993361440
+3809424708
+: 20103
+: 19922
+: 19937
+: 20031
+: 20007
+</pre>
 =={{header|Sidef}}==