Use smallrng instead of rand_xoshiro

Author: imartayan

Diff for: Cargo.lock

@@ -11,8 +11,7 @@ description = "Constructing and iterating packed DNA sequences using SIMD"
 
 [dependencies]
 wide = "0.7.32"
-rand = "0.9.0"
-rand_xoshiro = "0.7.0"
+rand = { version = "0.9", features = ["small_rng"] }
 mem_dbg = "0.2.4"
 cfg-if = "1.0.0"
 

Diff for: Cargo.toml

@@ -275,7 +275,7 @@ impl SeqVec for Vec<u8> {
 
     fn random(n: usize) -> Self {
         let mut seq = vec![0; n];
-        rand_xoshiro::Xoshiro512StarStar::from_os_rng().fill_bytes(&mut seq);
+        rand::rngs::SmallRng::from_os_rng().fill_bytes(&mut seq);
         seq
     }
 }

Diff for: src/ascii.rs

@@ -383,7 +383,7 @@ impl SeqVec for AsciiSeqVec {
 
     fn random(n: usize) -> Self {
         let mut seq = vec![0; n];
-        rand_xoshiro::Xoshiro512StarStar::from_os_rng().fill_bytes(&mut seq);
+        rand::rngs::SmallRng::from_os_rng().fill_bytes(&mut seq);
         Self {
             seq: seq.into_iter().map(|b| b"ACGT"[b as usize % 4]).collect(),
         }

Diff for: src/ascii_seq.rs

@@ -561,7 +561,7 @@ impl SeqVec for PackedSeqVec {
 
     fn random(n: usize) -> Self {
         let mut seq = vec![0; n.div_ceil(4)];
-        rand_xoshiro::Xoshiro512StarStar::from_os_rng().fill_bytes(&mut seq);
+        rand::rngs::SmallRng::from_os_rng().fill_bytes(&mut seq);
         PackedSeqVec { seq, len: n }
     }
 }