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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
commit64d98f8ee037282c35007b64c2649055c56af1db (patch)
tree5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /library/alloc/src/collections/btree/testing/rng.rs
parentAdding debian version 1.67.1+dfsg1-1. (diff)
downloadrustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz
rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'library/alloc/src/collections/btree/testing/rng.rs')
-rw-r--r--library/alloc/src/collections/btree/testing/rng.rs28
1 files changed, 0 insertions, 28 deletions
diff --git a/library/alloc/src/collections/btree/testing/rng.rs b/library/alloc/src/collections/btree/testing/rng.rs
deleted file mode 100644
index ecf543bee..000000000
--- a/library/alloc/src/collections/btree/testing/rng.rs
+++ /dev/null
@@ -1,28 +0,0 @@
-/// XorShiftRng
-pub struct DeterministicRng {
- count: usize,
- x: u32,
- y: u32,
- z: u32,
- w: u32,
-}
-
-impl DeterministicRng {
- pub fn new() -> Self {
- DeterministicRng { count: 0, x: 0x193a6754, y: 0xa8a7d469, z: 0x97830e05, w: 0x113ba7bb }
- }
-
- /// Guarantees that each returned number is unique.
- pub fn next(&mut self) -> u32 {
- self.count += 1;
- assert!(self.count <= 70029);
- let x = self.x;
- let t = x ^ (x << 11);
- self.x = self.y;
- self.y = self.z;
- self.z = self.w;
- let w_ = self.w;
- self.w = w_ ^ (w_ >> 19) ^ (t ^ (t >> 8));
- self.w
- }
-}