Use rust builtins (#7358)

Author: psvri

arrow-buffer/src/util/bit_util.rs

@@ -20,7 +20,8 @@
 /// Returns the nearest number that is `>=` than `num` and is a multiple of 64
 #[inline]
 pub fn round_upto_multiple_of_64(num: usize) -> usize {
-    round_upto_power_of_2(num, 64)
+    num.checked_next_multiple_of(64)
+        .expect("failed to round upto multiple of 64")
 }
 
 /// Returns the nearest multiple of `factor` that is `>=` than `num`. Here `factor` must
@@ -86,9 +87,7 @@ pub unsafe fn unset_bit_raw(data: *mut u8, i: usize) {
 /// Returns the ceil of `value`/`divisor`
 #[inline]
 pub fn ceil(value: usize, divisor: usize) -> usize {
-    // Rewrite as `value.div_ceil(&divisor)` after
-    // https://github.com/rust-lang/rust/issues/88581 is merged.
-    value / divisor + (0 != value % divisor) as usize
+    value.div_ceil(divisor)
 }
 
 #[cfg(test)]
@@ -109,6 +108,12 @@ mod tests {
         assert_eq!(192, round_upto_multiple_of_64(129));
     }
 
+    #[test]
+    #[should_panic(expected = "failed to round upto multiple of 64")]
+    fn test_round_upto_multiple_of_64_panic() {
+        let _ = round_upto_multiple_of_64(usize::MAX);
+    }
+
     #[test]
     #[should_panic(expected = "failed to round to next highest power of 2")]
     fn test_round_upto_panic() {