From e003ff4d65d866fdf9b0060717858393b00c3d1a Mon Sep 17 00:00:00 2001
From: Trevor Spiteri <tspiteri@ieee.org>
Date: Fri, 5 Feb 2021 19:03:58 +0100
Subject: [PATCH] use standard library for float from_str_radix with radix 10

---
 src/lib.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/lib.rs b/src/lib.rs
index a6c202c9..0beed61f 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -224,6 +224,13 @@ macro_rules! float_trait_impl {
                 use self::FloatErrorKind::*;
                 use self::ParseFloatError as PFE;
 
+                // Special case radix 10 to use more accurate standard library implementation
+                if radix == 10 {
+                    return src.parse().map_err(|_| PFE {
+                        kind: if src.is_empty() { Empty } else { Invalid },
+                    });
+                }
+
                 // Special values
                 match src {
                     "inf"   => return Ok(core::$t::INFINITY),