Rollup merge of #89817 - m-ou-se:int-log-10-inline, r=the8472

Add #[inline] to int log10 functions.
This commit is contained in:
Yuki Okushi 2021-10-13 21:55:16 +09:00 committed by GitHub
commit 59ebfdd7e0
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 12 additions and 0 deletions

View File

@ -1,5 +1,6 @@
mod unchecked {
// 0 < val <= u8::MAX
#[inline]
pub const fn u8(val: u8) -> u32 {
let val = val as u32;
@ -20,6 +21,7 @@ mod unchecked {
}
// 0 < val < 100_000
#[inline]
const fn less_than_5(val: u32) -> u32 {
// Similar to u8, when adding one of these constants to val,
// we get two possible bit patterns above the low 17 bits,
@ -40,11 +42,13 @@ mod unchecked {
}
// 0 < val <= u16::MAX
#[inline]
pub const fn u16(val: u16) -> u32 {
less_than_5(val as u32)
}
// 0 < val <= u32::MAX
#[inline]
pub const fn u32(mut val: u32) -> u32 {
let mut log = 0;
if val >= 100_000 {
@ -55,6 +59,7 @@ mod unchecked {
}
// 0 < val <= u64::MAX
#[inline]
pub const fn u64(mut val: u64) -> u32 {
let mut log = 0;
if val >= 10_000_000_000 {
@ -69,6 +74,7 @@ mod unchecked {
}
// 0 < val <= u128::MAX
#[inline]
pub const fn u128(mut val: u128) -> u32 {
let mut log = 0;
if val >= 100_000_000_000_000_000_000_000_000_000_000 {
@ -84,26 +90,31 @@ mod unchecked {
}
// 0 < val <= i8::MAX
#[inline]
pub const fn i8(val: i8) -> u32 {
u8(val as u8)
}
// 0 < val <= i16::MAX
#[inline]
pub const fn i16(val: i16) -> u32 {
u16(val as u16)
}
// 0 < val <= i32::MAX
#[inline]
pub const fn i32(val: i32) -> u32 {
u32(val as u32)
}
// 0 < val <= i64::MAX
#[inline]
pub const fn i64(val: i64) -> u32 {
u64(val as u64)
}
// 0 < val <= i128::MAX
#[inline]
pub const fn i128(val: i128) -> u32 {
u128(val as u128)
}
@ -111,6 +122,7 @@ mod unchecked {
macro_rules! impl_checked {
($T:ident) => {
#[inline]
pub const fn $T(val: $T) -> Option<u32> {
if val > 0 { Some(unchecked::$T(val)) } else { None }
}