use standard library for float from_str_radix with radix 10

rust-num · Feb 5, 2021 · e003ff4 · e003ff4
1 parent e8da6fe
commit e003ff4
Showing 1 changed file with 7 additions and 0 deletions.
diff --git 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),