time-to-botec

commit dc7bdebd2fec0c8a0f41600eba038142fc36f059
parent 86a5294a551957357b8167f3f7564bedba3b092b
Author: Nuño Sempere <nuno.semperelh@protonmail.com>
Date:   Fri,  5 Apr 2024 23:22:20 +0000

use a simpler & faster prng

Diffstat:
M
rust/Cargo.lock
 | 
1
+
M
rust/Cargo.toml
 | 
1
+
M
rust/src/.main.rs.swp
 | 
0

M
rust/src/main.rs
 | 
9
+++++++--

4 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/rust/Cargo.lock b/rust/Cargo.lock
@@ -107,6 +107,7 @@ name = "srust"
 version = "0.1.0"
 dependencies = [
  "rand",
+ "rand_core",
  "rand_distr",
  "rand_pcg",
 ]
diff --git a/rust/Cargo.toml b/rust/Cargo.toml
@@ -7,5 +7,6 @@ edition = "2021"
 
 [dependencies]
 rand = "0.8.5"
+rand_core = "0.6.4"
 rand_distr = "0.4.3"
 rand_pcg = "0.3.1"
diff --git a/rust/src/.main.rs.swp b/rust/src/.main.rs.swp
Binary files differ.
diff --git a/rust/src/main.rs b/rust/src/main.rs
@@ -1,12 +1,17 @@
-use rand::thread_rng;
+use rand_core::SeedableRng;
+use rand_pcg::Pcg64Mcg;
 use rand_distr::{Normal, Distribution};
 
+// use rand::thread_rng;
+// use rand::prelude::*
+
 fn main() {
     println!("Hello, world!");
 
+    let mut rng = Pcg64Mcg::seed_from_u64(1);
     // mean 2, standard deviation 3
     let normal = Normal::new(2.0, 3.0).unwrap();
-    let v = normal.sample(&mut thread_rng());
+    let v = normal.sample(&mut rng);
     println!("{} is from a N(2, 9) distribution", v)
 }