stellar

UCI Chess engine written in C++20
git clone git://git.dimitrijedobrota.com/stellar.git
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commit 8a21b456bb5189594052f3038c5b2871c87abe35
parent d22cfaeb45ea65c1cfcdd598d524d10603b700b1
author Dimitrije Dobrota < mail@dimitrijedobrota.com >
date Thu, 20 Jun 2024 18:36:47 +0200

Fix __UINT32_MAX__ not supported on Windows

Diffstat:
M CMakeLists.txt | + -
M src/engine/evaluate.cpp | +++ --

2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/ CMakeLists.txt b/ CMakeLists.txt

@@ -3,7 +3,7 @@ set(CMAKE_EXPORT_COMPILE_COMMANDS ON)


project(
Stellar
VERSION 1.4.2
VERSION 1.4.3
DESCRIPTION "Chess engine written in C++"
HOMEPAGE_URL https://git.dimitrijedobrota.com/stellar.git
LANGUAGES CXX

diff --git a/ src/engine/evaluate.cpp b/ src/engine/evaluate.cpp

@@ -7,6 +7,7 @@


#include <array>
#include <vector>
#include <numeric>

namespace evaluate {

@@ -78,7 +79,7 @@ template <U32 SIZE> struct PTable {

[[nodiscard]] static inline U32 read(U32 hash, Color side) {
const U32 key = side * SIZE + hash % SIZE;
const Hashe &phashe = table[key];
return phashe.key == hash ? key : __UINT32_MAX__;
return phashe.key == hash ? key : std::numeric_limits<uint32_t>::max();
}

[[nodiscard]] static inline int16_t read_opening(U32 key) { return table[key].opening; }

@@ -121,7 +122,7 @@ int16_t score_position_side(const Board &board, const Color side, const uint16_t


const U32 hash = board.get_hash_pawn();
const U32 key = ptable.read(hash, side);
if (key == __UINT32_MAX__) {
if (key == std::numeric_limits<uint32_t>::max()) {
bitboard = board.get_bitboard_piece(PAWN, side);
bitboard_for_each_bit(square_i, bitboard) {
const auto square = static_cast<Square>(square_i);