From: Stéphane Nicolet Date: Sun, 29 Apr 2018 04:48:18 +0000 (+0200) Subject: Update various comments X-Git-Url: https://git.sesse.net/?p=stockfish;a=commitdiff_plain;h=11967e89cdde6a15058d8f169d2b9bd0246011eb Update various comments Spotted by Alain Savard, Joost VandeVondele, Ronald de Man, Fabian Fichter, Chris Cain, xoto10 No functional change --- diff --git a/AUTHORS b/AUTHORS index afd2f297..66ad6b5f 100644 --- a/AUTHORS +++ b/AUTHORS @@ -22,6 +22,7 @@ Bill Henry (VoyagerOne) braich Brian Sheppard (SapphireBrand) Bryan Cross (crossbr) +Bujun Guo (noobpwnftw) Chris Cain (ceebo) Dan Schmidt Daniel Dugovic (ddugovic) @@ -88,7 +89,6 @@ Mohammed Li (tthsqe12) Nathan Rugg (nmrugg) Nicklas Persson (NicklasPersson) Niklas Fiekas (niklasf) -noobpwnftw Oskar Werkelin Ahlin Pablo Vazquez Pascal Romaret diff --git a/src/evaluate.cpp b/src/evaluate.cpp index ad63e216..4c10a199 100644 --- a/src/evaluate.cpp +++ b/src/evaluate.cpp @@ -698,7 +698,7 @@ namespace { } // w != 0 // Scale down bonus for candidate passers which need more than one - // pawn push to become passed or have a pawn in front of them. + // pawn push to become passed, or have a pawn in front of them. if ( !pos.pawn_passed(Us, s + Up) || (pos.pieces(PAWN) & forward_file_bb(Us, s))) bonus = bonus / 2; @@ -731,9 +731,7 @@ namespace { if (pos.non_pawn_material() < SpaceThreshold) return SCORE_ZERO; - // Find the safe squares for our pieces inside the area defined by - // SpaceMask. A square is unsafe if it is attacked by an enemy - // pawn, or if it is undefended and attacked by an enemy piece. + // Find the available squares for our pieces inside the area defined by SpaceMask Bitboard safe = SpaceMask & ~pos.pieces(Us, PAWN) & ~attackedBy[Them][PAWN]; diff --git a/src/movepick.h b/src/movepick.h index ae61be7f..666cca36 100644 --- a/src/movepick.h +++ b/src/movepick.h @@ -47,8 +47,8 @@ public: operator TT() const { return entry; } void operator<<(int bonus) { - assert(abs(bonus) <= D); // Ensure range is [-D, D] - assert(D < std::numeric_limits::max()); // Ensure we don't overflow + assert(abs(bonus) <= D); // Ensure range is [-D, D] + static_assert(D <= std::numeric_limits::max(), "D overflows T"); entry += bonus - entry * abs(bonus) / D; diff --git a/src/pawns.cpp b/src/pawns.cpp index 72556172..5e56a1c2 100644 --- a/src/pawns.cpp +++ b/src/pawns.cpp @@ -45,7 +45,7 @@ namespace { // Strength of pawn shelter for our king by [distance from edge][rank]. // RANK_1 = 0 is used for files where we have no pawn, or pawn is behind our king. - Value ShelterStrength[int(FILE_NB) / 2][RANK_NB] = { + constexpr Value ShelterStrength[int(FILE_NB) / 2][RANK_NB] = { { V( -9), V(64), V(77), V( 44), V( 4), V( -1), V(-11) }, { V(-15), V(83), V(51), V(-10), V( 1), V(-10), V(-28) }, { V(-18), V(84), V(27), V(-12), V(21), V( -7), V(-36) }, diff --git a/src/search.cpp b/src/search.cpp index d7980bd7..b661d481 100644 --- a/src/search.cpp +++ b/src/search.cpp @@ -835,7 +835,11 @@ moves_loop: // When in check, search starts from here const PieceToHistory* contHist[] = { (ss-1)->contHistory, (ss-2)->contHistory, nullptr, (ss-4)->contHistory }; Move countermove = thisThread->counterMoves[pos.piece_on(prevSq)][prevSq]; - MovePicker mp(pos, ttMove, depth, &thisThread->mainHistory, &thisThread->captureHistory, contHist, countermove, ss->killers); + MovePicker mp(pos, ttMove, depth, &thisThread->mainHistory, + &thisThread->captureHistory, + contHist, + countermove, + ss->killers); value = bestValue; // Workaround a bogus 'uninitialized' warning under gcc skipQuiets = false; @@ -1275,7 +1279,9 @@ moves_loop: // When in check, search starts from here // to search the moves. Because the depth is <= 0 here, only captures, // queen promotions and checks (only if depth >= DEPTH_QS_CHECKS) will // be generated. - MovePicker mp(pos, ttMove, depth, &pos.this_thread()->mainHistory, &pos.this_thread()->captureHistory, to_sq((ss-1)->currentMove)); + MovePicker mp(pos, ttMove, depth, &pos.this_thread()->mainHistory, + &pos.this_thread()->captureHistory, + to_sq((ss-1)->currentMove)); // Loop through the moves until no moves remain or a beta cutoff occurs while ((move = mp.next_move()) != MOVE_NONE) diff --git a/src/thread.cpp b/src/thread.cpp index 948b71c8..7fec4724 100644 --- a/src/thread.cpp +++ b/src/thread.cpp @@ -117,7 +117,7 @@ void Thread::idle_loop() { } /// ThreadPool::set() creates/destroys threads to match the requested number. -/// Created and launced threads wil go immediately to sleep in idle_loop. +/// Created and launched threads wil go immediately to sleep in idle_loop. /// Upon resizing, threads are recreated to allow for binding if necessary. void ThreadPool::set(size_t requested) {