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Touch up comments

This commit is contained in:
David Tolnay 2024-03-25 22:59:43 -07:00
parent ea29bbdbbf
commit eeca57ddcf
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GPG Key ID: F9BA143B95FF6D82
1 changed files with 9 additions and 9 deletions
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18
src/lib.rs
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@ -137,16 +137,16 @@ macro_rules! impl_Integer {
let mut n = if is_nonnegative {
self as $conv_fn
} else {
// convert the negative num to positive by summing 1 to it's 2 complement
// Convert negative number to positive by summing 1 to its two's complement.
(!(self as $conv_fn)).wrapping_add(1)
};
let mut curr = buf.len() as isize;
let buf_ptr = buf.as_mut_ptr() as *mut u8;
let lut_ptr = DEC_DIGITS_LUT.as_ptr();
// need at least 16 bits for the 4-characters-at-a-time to work.
// Need at least 16 bits for the 4-digits-at-a-time to work.
if mem::size_of::<$t>() >= 2 {
// eagerly decode 4 characters at a time
// Eagerly decode 4 digits at a time.
while n >= 10000 {
let rem = (n % 10000) as isize;
n /= 10000;
@ -161,10 +161,10 @@ macro_rules! impl_Integer {
}
}
// if we reach here numbers are <= 9999, so at most 4 chars long
let mut n = n as isize; // possibly reduce 64bit math
// If we reach here, numbers are <=9999 so at most 4 digits long.
let mut n = n as isize; // Possibly reduce 64-bit math.
// decode 2 more chars, if > 2 chars
// Decode 2 more digits, if >2 digits.
if n >= 100 {
let d1 = (n % 100) << 1;
n /= 100;
@ -174,7 +174,7 @@ macro_rules! impl_Integer {
}
}
// decode last 1 or 2 chars
// Decode last 1 or 2 digits.
if n < 10 {
curr -= 1;
unsafe {
@ -247,7 +247,7 @@ macro_rules! impl_Integer128 {
let n = if is_nonnegative {
self as u128
} else {
// convert the negative num to positive by summing 1 to it's 2 complement
// Convert negative number to positive by summing 1 to its two's complement.
(!(self as u128)).wrapping_add(1)
};
let mut curr = buf.len() as isize;
@ -280,7 +280,7 @@ macro_rules! impl_Integer128 {
curr = target;
// There is at most one digit left
// because u128::max / 10^19 / 10^19 is 3.
// because u128::MAX / 10^19 / 10^19 is 3.
curr -= 1;
unsafe {
*buf_ptr.offset(curr) = (n as u8) + b'0';