From 7c6b44461625bc25298ead7ab5a9c378772a343c Mon Sep 17 00:00:00 2001
From: Stephen Chung <schungx@live.com>
Date: Wed, 3 Nov 2021 08:44:07 +0800
Subject: [PATCH] Fix display of 0.0.

---
 CHANGELOG.md | 9 +++++++++
 src/ast.rs   | 4 +++-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index f7de172a..ad096ea5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,15 @@
 Rhai Release Notes
 ==================
 
+Version 1.1.2
+=============
+
+Bug fixes
+---------
+
+* `0.0` now prints correctly (used to print `0e0`).
+
+
 Version 1.1.1
 =============
 
diff --git a/src/ast.rs b/src/ast.rs
index 34d492a5..a344607b 100644
--- a/src/ast.rs
+++ b/src/ast.rs
@@ -1825,7 +1825,9 @@ impl<F: Float + fmt::Debug> fmt::Debug for FloatWrapper<F> {
 impl<F: Float + fmt::Display + fmt::LowerExp + From<f32>> fmt::Display for FloatWrapper<F> {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         let abs = self.0.abs();
-        if abs > Self::MAX_NATURAL_FLOAT_FOR_DISPLAY.into()
+        if abs.fract().is_zero() {
+            f.write_str("0.0")
+        } else if abs > Self::MAX_NATURAL_FLOAT_FOR_DISPLAY.into()
             || abs < Self::MIN_NATURAL_FLOAT_FOR_DISPLAY.into()
         {
             write!(f, "{:e}", self.0)