Sync to vitaut/zmij@9a433c4

Author: dtolnay

README.md

@@ -11,7 +11,7 @@ numbers to decimal strings.
 This Rust implementation is a line-by-line port of Victor Zverovich's
 implementation in C++, [https://github.com/vitaut/zmij][upstream].
 
-[upstream]: https://github.com/vitaut/zmij/tree/154bf6635a7f03e022cfd445afdb95b719f70d48
+[upstream]: https://github.com/vitaut/zmij/tree/9a433c4bed034447c051e16b405ebc43cae05957
 
 ## Example
 

src/lib.rs

@@ -96,6 +96,10 @@ const fn umul128(x: u64, y: u64) -> u128 {
     x as u128 * y as u128
 }
 
+const fn umul128_upper64(x: u64, y: u64) -> u64 {
+    (umul128(x, y) >> 64) as u64
+}
+
 #[cfg_attr(feature = "no-panic", no_panic)]
 fn umul192_upper128(x_hi: u64, x_lo: u64, y: u64) -> uint128 {
     let p = umul128(x_hi, y);
@@ -106,10 +110,6 @@ fn umul192_upper128(x_hi: u64, x_lo: u64, y: u64) -> uint128 {
     }
 }
 
-const fn umul128_upper64(x: u64, y: u64) -> u64 {
-    (umul128(x, y) >> 64) as u64
-}
-
 // Computes upper 64 bits of multiplication of x and y, discards the least
 // significant bit and rounds to odd, where x = uint128_t(x_hi << 64) | x_lo.
 #[cfg_attr(feature = "no-panic", no_panic)]