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-rw-r--r--rand/benches/distributions/normal.rs18
1 files changed, 18 insertions, 0 deletions
diff --git a/rand/benches/distributions/normal.rs b/rand/benches/distributions/normal.rs
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+++ b/rand/benches/distributions/normal.rs
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+use std::mem::size_of;
+use test::Bencher;
+use rand;
+use rand::distributions::Sample;
+use rand::distributions::normal::Normal;
+
+#[bench]
+fn rand_normal(b: &mut Bencher) {
+ let mut rng = rand::weak_rng();
+ let mut normal = Normal::new(-2.71828, 3.14159);
+
+ b.iter(|| {
+ for _ in 0..::RAND_BENCH_N {
+ normal.sample(&mut rng);
+ }
+ });
+ b.bytes = size_of::<f64>() as u64 * ::RAND_BENCH_N;
+}