document bug fix in release notes

README.md

@@ -58,6 +58,11 @@ Various conversion methods are available:
 
 ## What’s new
 
+### Version 0.4.4 news (unreleased)
+
+  * Bug fix: rounding could produce bad output for [`Binary`],
+    [`Octal`], [`LowerHex`] and [`UpperHex`].
+
 ### Version 0.4.3 news (2019-08-20)
 
   * The [*fixed* crate] now requires rustc version 1.34.0 or later.

RELEASES.md

@@ -5,6 +5,12 @@ modification, are permitted in any medium without royalty provided the
 copyright notice and this notice are preserved. This file is offered
 as-is, without any warranty. -->
 
+Version 0.4.4 (unreleased)
+==========================
+
+  * Bug fix: rounding could produce bad output for `Binary`, `Octal`,
+    `LowerHex` and `UpperHex`.
+
 Version 0.4.3 (2019-08-20)
 ==========================
 

src/display.rs

@@ -657,5 +657,15 @@ mod tests {
         assert_eq!(format!("{:.0o}", i), "376");
         assert_eq!(format!("{:X}", i), "FE.8");
         assert_eq!(format!("{:.0X}", i), "FE");
+
+        let i = U8F8::from_bits(0xFFDD);
+        assert_eq!(format!("{}", i), "254.863");
+        assert_eq!(format!("{:.1}", i), "254.9");
+        assert_eq!(format!("{:b}", i), "11111111.11011101");
+        assert_eq!(format!("{:.4b}", i), "11111111.1110");
+        assert_eq!(format!("{:o}", i), "375.672");
+        assert_eq!(format!("{:.1o}", i), "375.7");
+        assert_eq!(format!("{:X}", i), "FF.DD");
+        assert_eq!(format!("{:.1X}", i), "FF.E");
     }
 }