Merge pull request #22 from Alexhuszagh/endian

Removed endian-dependent codepaths.

Author: aldanor

src/float.rs

@@ -41,6 +41,7 @@ pub trait Float:
     const MAX_MANTISSA_FAST_PATH: u64 = 2_u64 << Self::MANTISSA_EXPLICIT_BITS;
 
     fn from_u64(v: u64) -> Self;
+    fn from_u64_bits(v: u64) -> Self;
     fn pow10_fast_path(exponent: usize) -> Self;
 }
 
@@ -69,6 +70,11 @@ impl Float for f32 {
         v as _
     }
 
+    #[inline]
+    fn from_u64_bits(v: u64) -> Self {
+        f32::from_bits((v & 0xFFFFFFFF) as u32)
+    }
+
     #[inline]
     fn pow10_fast_path(exponent: usize) -> Self {
         #[allow(clippy::use_self)]
@@ -104,6 +110,11 @@ impl Float for f64 {
         v as _
     }
 
+    #[inline]
+    fn from_u64_bits(v: u64) -> Self {
+        f64::from_bits(v)
+    }
+
     #[inline]
     fn pow10_fast_path(exponent: usize) -> Self {
         #[allow(clippy::use_self)]

src/parse.rs

@@ -1,5 +1,3 @@
-use core::mem;
-
 use crate::binary::compute_float;
 use crate::float::Float;
 use crate::number::{parse_inf_nan, parse_number};
@@ -32,13 +30,5 @@ pub fn parse_float<F: Float>(s: &[u8]) -> Option<(F, usize)> {
     if num.negative {
         word |= 1_u64 << F::SIGN_INDEX;
     }
-    let value = unsafe {
-        if cfg!(target_endian = "big") && mem::size_of::<F>() == 4 {
-            *(&word as *const _ as *const F).add(1)
-        } else {
-            *(&word as *const _ as *const F)
-        }
-    };
-
-    Some((value, rest))
+    Some((F::from_u64_bits(word), rest))
 }