Fix missing import for no_std builds (#13)

Author: ralphtandetzky

.github/workflows/test.yml

@@ -94,6 +94,11 @@ jobs:
         if: ${{ matrix.variant == 'minimal_versions' }}
         run: |
           cargo generate-lockfile -Z minimal-versions
+      - name: Build rand_distr
+        run: |
+          cargo build --target ${{ matrix.target }} --features=serde
+          cargo build --target ${{ matrix.target }} --no-default-features
+          cargo build --target ${{ matrix.target }} --no-default-features --features=std,std_math
       - name: Test rand_distr
         run: |
           cargo test --target ${{ matrix.target }} --features=serde

CHANGELOG.md

@@ -4,6 +4,14 @@ 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).
 
+## [0.5.1]
+
+### Testing
+- Added building the crate to CI
+
+### Fixes
+- Fix missing import for `no_std` builds
+
 ## [0.5.0] - 2025-01-27
 
 ### Dependencies and features

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "rand_distr"
-version = "0.5.0"
+version = "0.5.1"
 authors = ["The Rand Project Developers"]
 license = "MIT OR Apache-2.0"
 readme = "README.md"

distr_test/Cargo.toml

@@ -5,7 +5,7 @@ edition = "2021"
 publish = false
 
 [dev-dependencies]
-rand_distr = { path = "..", version = "0.5.0", default-features = false, features = ["alloc"] }
+rand_distr = { path = "..", version = "0.5.1", default-features = false, features = ["alloc"] }
 rand = { version = "0.9.0", features = ["small_rng"] }
 num-traits = "0.2.19"
 # Special functions for testing distributions

src/utils.rs

@@ -9,6 +9,8 @@
 //! Math helper functions
 
 use crate::ziggurat_tables;
+#[allow(unused_imports)]
+use num_traits::Float; // Used for `no_std` to get `f64::abs()` working before `rustc 1.84`
 use rand::distr::hidden_export::IntoFloat;
 use rand::Rng;