Merge small rngs code

.travis.yml

@@ -51,64 +51,51 @@ sudo: false
 # - run benchmarks as tests:
 #   `cargo test --benches --features=nightly`
 # Tests on subcrates:
-#   `cargo test --package rand_core`
-#   `cargo test --package rand_core --features=alloc` (requires nightly)
-#   `cargo test --package rand_core --no-default-features`
-#   `cargo test --package rand_isaac --features=serde1`
-#   `cargo test --package rand_xorshift --features=serde1`
-#   `cargo test --package rand_chacha`
-#   `cargo test --package rand_hc128`
+# - select crates via --manifest-path (more reliable than --package)
+# - test appropriate feature matrix
 #
 # TODO: SIMD support on stable releases
 # NOTE: SIMD support is unreliable on nightly; we track the latest release
 matrix:
   include:
     - rust: 1.22.0
       env: DESCRIPTION="pinned stable Rust release"
-      install:
       script:
+        # Differs from standard script: rand_pcg features
         - cargo test --lib --no-default-features
+        # TODO: add simd_support feature:
         - cargo test --features=serde1,log
         - cargo test --examples
-        - cargo test --package rand_core
-        - cargo test --package rand_core --no-default-features
-        - cargo test --package rand_isaac --features=serde1
-        # - cargo test --package rand_xorshift --features=serde1
-        - cargo test --package rand_chacha
-        - cargo test --package rand_hc128
+        - cargo test --manifest-path rand_core/Cargo.toml
+        - cargo test --manifest-path rand_core/Cargo.toml --no-default-features
+        - cargo test --manifest-path rand_isaac/Cargo.toml --features=serde1
+        # TODO: cannot test rand_pcg due to explicit dependency on i128
+        - cargo test --manifest-path rand_xorshift/Cargo.toml --features=serde1
+        - cargo test --manifest-path rand_chacha/Cargo.toml
+        - cargo test --manifest-path rand_hc128/Cargo.toml
 
     - rust: stable
       env: DESCRIPTION="stable Rust release, macOS, iOS (cross-compile only)"
       os: osx
       install:
         - rustup target add aarch64-apple-ios
       script:
+        # Differs from standard script: includes aarch64-apple-ios cross-build
         - cargo test --lib --no-default-features
         # TODO: add simd_support feature:
         - cargo test --features=serde1,log
         - cargo test --examples
-        - cargo test --package rand_core
-        - cargo test --package rand_core --no-default-features
-        - cargo test --package rand_isaac --features=serde1
-        - cargo test --package rand_xorshift --features=serde1
-        - cargo test --package rand_chacha
-        - cargo test --package rand_hc128
+        - cargo test --manifest-path rand_core/Cargo.toml
+        - cargo test --manifest-path rand_core/Cargo.toml --no-default-features
+        - cargo test --manifest-path rand_isaac/Cargo.toml --features=serde1
+        - cargo test --manifest-path rand_pcg/Cargo.toml --features=serde1
+        - cargo test --manifest-path rand_xorshift/Cargo.toml --features=serde1
+        - cargo test --manifest-path rand_chacha/Cargo.toml
+        - cargo test --manifest-path rand_hc128/Cargo.toml
         - cargo build --target=aarch64-apple-ios
 
     - rust: beta
       env: DESCRIPTION="beta Rust release"
-      install:
-      script:
-        - cargo test --lib --no-default-features
-        # TODO: add simd_support feature:
-        - cargo test --features=serde1,log
-        - cargo test --examples
-        - cargo test --package rand_core
-        - cargo test --package rand_core --no-default-features
-        - cargo test --package rand_isaac --features=serde1
-        - cargo test --package rand_xorshift --features=serde1
-        - cargo test --package rand_chacha
-        - cargo test --package rand_hc128
 
     - rust: nightly
       env: DESCRIPTION="nightly features, benchmarks, documentation"
@@ -118,16 +105,18 @@ matrix:
       before_script:
         - pip install 'travis-cargo<0.2' --user && export PATH=$HOME/.local/bin:$PATH
       script:
+        # Differs from standard script: alloc feature, all features, doc build
         - cargo test --lib --no-default-features --features=alloc
         - cargo test --all-features
         - cargo test --benches --features=nightly
         - cargo test --examples
-        - cargo test --package rand_core
-        - cargo test --package rand_core --no-default-features --features=alloc
-        - cargo test --package rand_isaac --features=serde1
-        # - cargo test --package rand_xorshift --features=serde1
-        - cargo test --package rand_chacha
-        - cargo test --package rand_hc128
+        - cargo test --manifest-path rand_core/Cargo.toml
+        - cargo test --manifest-path rand_core/Cargo.toml --no-default-features --features=alloc
+        - cargo test --manifest-path rand_isaac/Cargo.toml --features=serde1
+        - cargo test --manifest-path rand_pcg/Cargo.toml --features=serde1
+        - cargo test --manifest-path rand_xorshift/Cargo.toml --features=serde1
+        - cargo test --manifest-path rand_chacha/Cargo.toml
+        - cargo test --manifest-path rand_hc128/Cargo.toml
         # remove cached documentation, otherwise files from previous PRs can get included
         - rm -rf target/doc
         - cargo doc --no-deps --all --all-features
@@ -179,22 +168,38 @@ matrix:
       dist: trusty
       services: docker
       env: DESCRIPTION="Linux (MIPS, big-endian)" TARGET=mips-unknown-linux-gnu
+      install:
+        - sh utils/ci/install.sh
+        - source ~/.cargo/env || true
+      script:
+        - bash utils/ci/script.sh
     - rust: stable
       sudo: required
       dist: trusty
       services: docker
       env: DESCRIPTION="Android (ARMv7)" TARGET=armv7-linux-androideabi
+      install:
+        - sh utils/ci/install.sh
+        - source ~/.cargo/env || true
+      script:
+        - bash utils/ci/script.sh
 
 before_install:
   - set -e
   - rustup self update
 
-# Used by all Trust targets; others must override:
-install:
-  - sh utils/ci/install.sh
-  - source ~/.cargo/env || true
 script:
-  - bash utils/ci/script.sh
+  - cargo test --lib --no-default-features
+  # TODO: add simd_support feature:
+  - cargo test --features=serde1,log
+  - cargo test --examples
+  - cargo test --manifest-path rand_core/Cargo.toml
+  - cargo test --manifest-path rand_core/Cargo.toml --no-default-features
+  - cargo test --manifest-path rand_isaac/Cargo.toml --features=serde1
+  - cargo test --manifest-path rand_pcg/Cargo.toml --features=serde1
+  - cargo test --manifest-path rand_xorshift/Cargo.toml --features=serde1
+  - cargo test --manifest-path rand_chacha/Cargo.toml
+  - cargo test --manifest-path rand_hc128/Cargo.toml
 
 after_script: set +e
 

Cargo.toml

@@ -28,7 +28,7 @@ simd_support = ["packed_simd"] # enables SIMD support
 serde1 = ["rand_core/serde1", "rand_isaac/serde1", "rand_xorshift/serde1"] # enables serialization for PRNGs
 
 [workspace]
-members = ["rand_core", "rand_isaac", "rand_chacha", "rand_hc128", "rand_xorshift"]
+members = ["rand_core", "rand_isaac", "rand_chacha", "rand_hc128", "rand_pcg", "rand_xorshift"]
 
 [dependencies]
 rand_core = { path = "rand_core", version = "0.3", default-features = false }

appveyor.yml

@@ -43,3 +43,10 @@ test_script:
   - cargo test --package rand_xorshift --features=serde1
   - cargo test --package rand_chacha
   - cargo test --package rand_hc128
+  - cargo test --manifest-path rand_core/Cargo.toml
+  - cargo test --manifest-path rand_core/Cargo.toml --no-default-features --features=alloc
+  - cargo test --manifest-path rand_isaac/Cargo.toml --features=serde1
+  - cargo test --manifest-path rand_pcg/Cargo.toml --features=serde1
+  - cargo test --manifest-path rand_xorshift/Cargo.toml --features=serde1
+  - cargo test --manifest-path rand_chacha/Cargo.toml
+  - cargo test --manifest-path rand_hc128/Cargo.toml

rand_pcg/CHANGELOG.md

@@ -0,0 +1,14 @@
+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [0.1.1] - 2018-10-04
+- make `bincode` an explicit dependency when using Serde
+
+## [0.1.0] - 2018-10-04
+Initial release, including:
+
+- `Lcg64Xsh32` aka `Pcg32`
+- `Mcg128Xsl64` aka `Pcg64Mcg`

rand_pcg/COPYRIGHT

@@ -0,0 +1,12 @@
+Copyrights in the Rand project are retained by their contributors. No
+copyright assignment is required to contribute to the Rand project.
+
+For full authorship information, see the version control history.
+
+Except as otherwise noted (below and/or in individual files), Rand is
+licensed under the Apache License, Version 2.0 <LICENSE-APACHE> or
+<http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+<LICENSE-MIT> or <http://opensource.org/licenses/MIT>, at your option.
+
+The Rand project includes code from the Rust project
+published under these same licenses.

rand_pcg/Cargo.toml

@@ -0,0 +1,37 @@
+[package]
+name = "rand_pcg"
+version = "0.1.1" # NB: When modifying, also modify html_root_url in lib.rs
+authors = ["The Rand Project Developers"]
+license = "MIT/Apache-2.0"
+readme = "README.md"
+repository = "https://github.com/rust-random/rand"
+documentation = "https://docs.rs/rand_pcg"
+homepage = "https://crates.io/crates/rand_pcg"
+description = """
+Selected PCG random number generators
+"""
+keywords = ["random", "rng", "pcg"]
+categories = ["algorithms", "no-std"]
+build = "build.rs"
+
+[badges]
+travis-ci = { repository = "rust-random/rand" }
+appveyor = { repository = "rust-random/rand" }
+
+[features]
+serde1 = ["serde", "serde_derive"]
+
+[dependencies]
+rand_core = { path = "../rand_core", version = "0.3", default-features=false }
+serde = { version = "1", optional = true }
+serde_derive = { version = "^1.0.38", optional = true }
+
+[dev-dependencies]
+# This is for testing serde, unfortunately we can't specify feature-gated dev
+# deps yet, see: https://github.com/rust-lang/cargo/issues/1596
+# TODO: we shouldn't have to depend on i128 directly; it breaks tests on old
+# compilers. `bincode` should automatically support this.
+bincode = { version = "1", features = ["i128"] }
+
+[build-dependencies]
+rustc_version = "0.2"