pnm/eschac
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edition 2021 -> 2024

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This commit is contained in:
Paul-Nicolas Madelaine 2025-11-17 22:07:04 +01:00
parent 0cc2402991
commit c0e915f1b4
4 changed files with 19 additions and 15 deletions
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2
Cargo.toml
View file

@ -1,7 +1,7 @@
[package] [package]
name = "eschac" name = "eschac"
version = "0.1.0" version = "0.1.0"
edition = "2021" edition = "2024"
authors = ["Paul-Nicolas Madelaine <pnm@pnm.tf>"] authors = ["Paul-Nicolas Madelaine <pnm@pnm.tf>"]
license = "AGPL-3.0-or-later" license = "AGPL-3.0-or-later"
description = "computing chess moves" description = "computing chess moves"

2
src/bitboard.rs
View file

@ -42,7 +42,7 @@ impl Bitboard {
#[inline] #[inline]
pub const fn pop(&mut self) -> Option<Square> { pub const fn pop(&mut self) -> Option<Square> {
let Self(ref mut mask) = self; let mask = &mut self.0;
let square = match mask { let square = match mask {
0 => None, 0 => None,
_ => Some(unsafe { Square::new_unchecked(mask.trailing_zeros() as u8) }), _ => Some(unsafe { Square::new_unchecked(mask.trailing_zeros() as u8) }),

8
src/board.rs
View file

@ -126,7 +126,7 @@ impl File {
#[inline] #[inline]
pub const unsafe fn new_unchecked(index: u8) -> Self { pub const unsafe fn new_unchecked(index: u8) -> Self {
debug_assert!(index < 8); debug_assert!(index < 8);
std::mem::transmute(index) unsafe { std::mem::transmute(index) }
} }
#[inline] #[inline]
@ -216,7 +216,7 @@ impl Rank {
#[inline] #[inline]
pub const unsafe fn new_unchecked(index: u8) -> Self { pub const unsafe fn new_unchecked(index: u8) -> Self {
debug_assert!(index < 8); debug_assert!(index < 8);
std::mem::transmute(index) unsafe { std::mem::transmute(index) }
} }
#[inline] #[inline]
@ -315,7 +315,7 @@ impl Square {
#[inline] #[inline]
pub const unsafe fn new_unchecked(index: u8) -> Self { pub const unsafe fn new_unchecked(index: u8) -> Self {
debug_assert!(index < 64); debug_assert!(index < 64);
std::mem::transmute(index) unsafe { std::mem::transmute(index) }
} }
#[inline] #[inline]
@ -673,7 +673,7 @@ impl Direction {
#[inline] #[inline]
const unsafe fn transmute(value: u8) -> Self { const unsafe fn transmute(value: u8) -> Self {
debug_assert!(value < 8); debug_assert!(value < 8);
std::mem::transmute(value) unsafe { std::mem::transmute(value) }
} }
} }

22
src/lookup.rs
View file

@ -435,16 +435,20 @@ unsafe fn magic_aux(shr: u8, magic: Magic, blockers: Bitboard) -> Bitboard {
factor, factor,
offset, offset,
} = magic; } = magic;
debug_assert!(MAGIC_TABLE debug_assert!(
.get( MAGIC_TABLE
(hash(shr, factor, blockers | premask) as isize) .get(
.checked_add(offset) (hash(shr, factor, blockers | premask) as isize)
.unwrap() as usize .checked_add(offset)
.unwrap() as usize
)
.is_some()
);
unsafe {
*MAGIC_TABLE.get_unchecked(
((hash(shr, factor, blockers | premask) as isize).unchecked_add(offset)) as usize,
) )
.is_some()); }
*MAGIC_TABLE.get_unchecked(
((hash(shr, factor, blockers | premask) as isize).unchecked_add(offset)) as usize,
)
} }
#[inline] #[inline]