num-complex - cargo Package Compare versions

Comparing version 0.3.1 to 0.4.0

.cargo_vcs_info.json

 {
   "git": {
-    "sha1": "ce0637be7d2cfb43d505b37b670617e4dc18e9e6"
+    "sha1": "3a89daa2c616154035dd27d706bf7938bcbf30a8"
   }
 }

Cargo.toml

@@ -16,3 +16,3 @@ # THIS FILE IS AUTOMATICALLY GENERATED BY CARGO
 name = "num-complex"
-version = "0.3.1"
+version = "0.4.0"
 authors = ["The Rust Project Developers"]
@@ -36,3 +36,3 @@ exclude = ["/bors.toml", "/ci/*", "/.github/*"]
 [dependencies.rand]
-version = "0.7"
+version = "0.8"
 optional = true
@@ -39,0 +39,0 @@ default-features = false

README.md

@@ -16,3 +16,3 @@ # num-complex
 [dependencies]
-num-complex = "0.3"
+num-complex = "0.4"
 ```
@@ -27,3 +27,3 @@
 [dependencies.num-complex]
-version = "0.3"
+version = "0.4"
 default-features = false
@@ -30,0 +30,0 @@ ```

RELEASES.md

@@ -0,1 +1,7 @@
+# Release 0.4.0 (2021-03-05)
+
+- `rand` support has been updated to 0.8, requiring Rust 1.36.
+
+**Contributors**: @cuviper
+
 # Release 0.3.1 (2020-10-29)
@@ -2,0 +8,0 @@

src/crand.rs

@@ -45,4 +45,37 @@ //! Rand implementations for complex numbers
 #[cfg(test)]
-fn test_rng() -> StdRng {
-    StdRng::from_seed([42; 32])
+fn test_rng() -> impl RngCore {
+    /// Simple `Rng` for testing without additional dependencies
+    struct XorShiftStar {
+        a: u64,
+    }
+
+    impl RngCore for XorShiftStar {
+        fn next_u32(&mut self) -> u32 {
+            self.next_u64() as u32
+        }
+
+        fn next_u64(&mut self) -> u64 {
+            // https://en.wikipedia.org/wiki/Xorshift#xorshift*
+            self.a ^= self.a >> 12;
+            self.a ^= self.a << 25;
+            self.a ^= self.a >> 27;
+            self.a.wrapping_mul(0x2545_F491_4F6C_DD1D)
+        }
+
+        fn fill_bytes(&mut self, dest: &mut [u8]) {
+            for chunk in dest.chunks_mut(8) {
+                let bytes = self.next_u64().to_le_bytes();
+                let slice = &bytes[..chunk.len()];
+                chunk.copy_from_slice(slice)
+            }
+        }
+
+        fn try_fill_bytes(&mut self, dest: &mut [u8]) -> Result<(), rand::Error> {
+            Ok(self.fill_bytes(dest))
+        }
+    }
+
+    XorShiftStar {
+        a: 0x0123_4567_89AB_CDEF,
+    }
 }
@@ -49,0 +82,0 @@

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