stellar

commit c16369677bc656d2d9b17038f4697b2610dc8156
parent 1ff71a3e91b2e585290398b06794a5c5414d4a8a
Author: Dimitrije Dobrota <mail@dimitrijedobrota.com>
Date:   Mon, 20 May 2024 19:49:51 +0200

Fix constexpr issue with older compiler

Diffstat:
M
CMakeLists.txt
 | 
2
+-
M
src/board/board.hpp
 | 
12
++++++------
M
src/board/zobrist.hpp
 | 
10
+++++-----
M
src/utils/utils_ui.hpp
 | 
8
++++----

4 files changed, 16 insertions(+), 16 deletions(-)
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -3,7 +3,7 @@ set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
 project(
     Stellar
-	VERSION 1.4.0
+	VERSION 1.4.1
     DESCRIPTION "Chess engine written in C++"
 	HOMEPAGE_URL https://git.dimitrijedobrota.com/stellar.git
     LANGUAGES CXX
diff --git a/src/board/board.hpp b/src/board/board.hpp
@@ -52,9 +52,9 @@ class Board {
     inline constexpr void xor_hash(U64 op);
     inline constexpr void xor_hash_pawn(U32 op);
 
-    inline constexpr void switch_side();
-    inline constexpr void and_castle(uint8_t right);
-    inline constexpr void set_enpassant(Square target);
+    inline void switch_side();
+    inline void and_castle(uint8_t right);
+    inline void set_enpassant(Square target);
 
     inline constexpr void pop_bitboard_color(Color color, Square square);
     inline constexpr void set_bitboard_color(Color color, Square square);
@@ -123,18 +123,18 @@ constexpr Type Board::get_square_piece_type(Square square) const {
 constexpr void Board::xor_hash(U64 op) { hash ^= op; }
 constexpr void Board::xor_hash_pawn(U32 op) { hash_pawn ^= op; }
 
-constexpr void Board::and_castle(uint8_t right) {
+void Board::and_castle(uint8_t right) {
     hash ^= zobrist::key_castle(castle);
     castle &= right;
     hash ^= zobrist::key_castle(castle);
 }
 
-constexpr void Board::switch_side() {
+void Board::switch_side() {
     side = other(side);
     hash ^= zobrist::key_side();
 }
 
-constexpr void Board::set_enpassant(Square target) {
+void Board::set_enpassant(Square target) {
     if (enpassant != Square::no_sq) hash ^= zobrist::key_enpassant(enpassant);
     if (target != Square::no_sq) hash ^= zobrist::key_enpassant(target);
     enpassant = target;
diff --git a/src/board/zobrist.hpp b/src/board/zobrist.hpp
@@ -48,11 +48,11 @@ inline void init() {
 inline U64 hash(const Board &board);
 inline U32 hash_pawn(const Board &board);
 
-inline constexpr U64 key_side() { return keys_side; }
-inline constexpr U64 key_castle(int exp) { return keys_castle[exp]; }
-inline constexpr U64 key_enpassant(Square square) { return keys_enpassant[square]; }
-inline constexpr U64 key_pawn(Color color, Square square) { return keys_pawn[color][square]; }
-inline constexpr U64 key_piece(Type type, Color color, Square square) {
+inline U64 key_side() { return keys_side; }
+inline U64 key_castle(int exp) { return keys_castle[exp]; }
+inline U64 key_enpassant(Square square) { return keys_enpassant[square]; }
+inline U64 key_pawn(Color color, Square square) { return keys_pawn[color][square]; }
+inline U64 key_piece(Type type, Color color, Square square) {
     return keys_piece[color][type][square];
 }
 
diff --git a/src/utils/utils_ui.hpp b/src/utils/utils_ui.hpp
@@ -7,13 +7,13 @@
 
 /* Color */
 
-constexpr const std::string to_string(const Color color) {
+static const std::string to_string(const Color color) {
     return std::string(color == WHITE ? "white" : "black");
 }
 
 /* Square */
 
-constexpr const char *coordinates_array[] = {
+static const char *coordinates_array[] = {
     // clang-format off
    "a1", "b1", "c1", "d1", "e1", "f1", "g1", "h1",
    "a2", "b2", "c2", "d2", "e2", "f2", "g2", "h2",
@@ -26,9 +26,9 @@ constexpr const char *coordinates_array[] = {
     // clang-format on
 };
 
-constexpr const std::string to_coordinates(const Square square) { return coordinates_array[square]; }
+static const std::string to_coordinates(const Square square) { return coordinates_array[square]; }
 
-constexpr Square from_coordinates(const std::string &cord) {
+static Square from_coordinates(const std::string &cord) {
     return static_cast<Square>((cord[1] - '1') * 8 + (cord[0] - 'a'));
 }