Merge pull request #668 from ischeinkman/master

Made rand_xoshiro #![no_std].

Author: dhardy

rand_xoshiro/Cargo.toml

@@ -12,7 +12,7 @@ keywords = ["random", "rng"]
 categories = ["algorithms"]
 
 [dependencies]
-byteorder = "1"
+byteorder = { version = "1", default-features=false }
 rand_core = { path = "../rand_core", version = "0.3", default-features=false }
 
 [dev-dependencies]

rand_xoshiro/src/common.rs

@@ -207,15 +207,16 @@ macro_rules! deal_with_zero_seed {
 #[derive(Clone)]
 pub struct Seed512(pub [u8; 64]);
 
+use core;
 impl Seed512 {
     /// Return an iterator over the seed.
-    pub fn iter(&self) -> ::std::slice::Iter<u8> {
+    pub fn iter(&self) -> core::slice::Iter<u8> {
         self.0.iter()
     }
 }
 
-impl ::std::fmt::Debug for Seed512 {
-    fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
+impl core::fmt::Debug for Seed512 {
+    fn fmt(&self, f: &mut core::fmt::Formatter) -> core::fmt::Result {
         self.0[..].fmt(f)
     }
 }

rand_xoshiro/src/lib.rs

@@ -66,7 +66,7 @@
 #![deny(missing_docs)]
 #![deny(missing_debug_implementations)]
 #![cfg_attr(feature = "cargo-clippy", allow(unreadable_literal))]
-
+#![no_std]
 extern crate byteorder;
 extern crate rand_core;
 

rand_xoshiro/src/splitmix64.rs

@@ -84,7 +84,7 @@ mod tests {
         let mut rng = SplitMix64::seed_from_u64(1477776061723855037);
         // These values were produced with the reference implementation:
         // http://xoshiro.di.unimi.it/splitmix64.c
-        let expected = vec![
+        let expected : [u64 ; 50]= [
             1985237415132408290, 2979275885539914483, 13511426838097143398,
             8488337342461049707, 15141737807933549159, 17093170987380407015,
             16389528042912955399, 13177319091862933652, 10841969400225389492,
@@ -103,7 +103,7 @@ mod tests {
             9420238805069527062, 10338115333623340156, 13514802760105037173,
             14635952304031724449, 15419692541594102413,
         ];
-        for &e in &expected {
+        for &e in expected.iter() {
             assert_eq!(rng.next_u64(), e);
         }
     }
@@ -113,7 +113,7 @@ mod tests {
         let mut rng = SplitMix64::seed_from_u64(10);
         // These values were produced with the reference implementation:
         // http://dsiutils.di.unimi.it/dsiutils-2.5.1-src.tar.gz
-        let expected = vec![
+        let expected : [u32 ; 100]= [
             3930361779, 4016923089, 4113052479, 925926767, 1755287528,
             802865554, 954171070, 3724185978, 173676273, 1414488795, 12664133,
             1784889697, 1303817078, 261610523, 941280008, 2571813643,
@@ -135,7 +135,7 @@ mod tests {
             1039141475, 3984640460, 4142959054, 2252788890, 2459379590,
             991872507,
         ];
-        for &e in &expected {
+        for &e in expected.iter() {
             assert_eq!(rng.next_u32(), e);
         }
     }