Merge #37: fix: add conditional FloatExt import for no_std builds

9becc09 fix: add conditional FloatExt import for no_std build (Abiodun)

Pull request description:

  Fixes compilation error when building with `--no-default-features` by adding a conditional import of the `FloatExt` trait in `feerate.rs`.

  * [x] I've signed all my commits
  * [x] I ran `cargo fmt` and `cargo clippy` before committing
  * [x] CHANGELOG.md updated

  Fixes #36

ACKs for top commit:
  evanlinjin:
    ACK 9becc09

Tree-SHA512: 99fc582a9a0efd23025abe8cdbcfa5719acb0d776b3dfe3f9b2ed21a8b33cd1757b2807a12b13bd32def1b1e075d173d88b34c8f87b0d90ec593041828f8e36c

Author: evanlinjin

CHANGELOG.md

@@ -1,3 +1,7 @@
+# Unreleased
+
+- Fix compilation error when building with `--no-default-features` (#36)
+
 # 0.4.0
 
 - Use `u64` for weights instead of u32

src/feerate.rs

@@ -1,3 +1,5 @@
+#[cfg(not(feature = "std"))]
+use crate::float::FloatExt;
 use crate::float::Ordf32;
 use core::ops::{Add, Sub};