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rename shift variables.

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Where variable names are explicitly incorrect, I feel morally obligated to at least
suggest an alternative. There are many, but these two are especially egregious.

No functional change.
This commit is contained in:
Mike Whiteley
2018-02-21 21:46:25 +01:00
committed by Stéphane Nicolet
parent 6c898a10be
commit 820c5c25b6
4 changed files with 22 additions and 19 deletions
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24
src/movegen.cpp
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@@ -99,8 +99,8 @@ namespace {
const Bitboard TRank7BB = (Us == WHITE ? Rank7BB : Rank2BB);
const Bitboard TRank3BB = (Us == WHITE ? Rank3BB : Rank6BB);
const Direction Up = (Us == WHITE ? NORTH : SOUTH);
const Direction Right = (Us == WHITE ? NORTH_EAST : SOUTH_WEST);
const Direction Left = (Us == WHITE ? NORTH_WEST : SOUTH_EAST);
const Direction UpRight = (Us == WHITE ? NORTH_EAST : SOUTH_WEST);
const Direction UpLeft = (Us == WHITE ? NORTH_WEST : SOUTH_EAST);
Bitboard emptySquares;
@@ -168,38 +168,38 @@ namespace {
if (Type == EVASIONS)
emptySquares &= target;
Bitboard b1 = shift<Right>(pawnsOn7) & enemies;
Bitboard b2 = shift<Left >(pawnsOn7) & enemies;
Bitboard b3 = shift<Up >(pawnsOn7) & emptySquares;
Bitboard b1 = shift<UpRight>(pawnsOn7) & enemies;
Bitboard b2 = shift<UpLeft >(pawnsOn7) & enemies;
Bitboard b3 = shift<Up >(pawnsOn7) & emptySquares;
Square ksq = pos.square<KING>(Them);
while (b1)
moveList = make_promotions<Type, Right>(moveList, pop_lsb(&b1), ksq);
moveList = make_promotions<Type, UpRight>(moveList, pop_lsb(&b1), ksq);
while (b2)
moveList = make_promotions<Type, Left >(moveList, pop_lsb(&b2), ksq);
moveList = make_promotions<Type, UpLeft >(moveList, pop_lsb(&b2), ksq);
while (b3)
moveList = make_promotions<Type, Up >(moveList, pop_lsb(&b3), ksq);
moveList = make_promotions<Type, Up >(moveList, pop_lsb(&b3), ksq);
}
// Standard and en-passant captures
if (Type == CAPTURES || Type == EVASIONS || Type == NON_EVASIONS)
{
Bitboard b1 = shift<Right>(pawnsNotOn7) & enemies;
Bitboard b2 = shift<Left >(pawnsNotOn7) & enemies;
Bitboard b1 = shift<UpRight>(pawnsNotOn7) & enemies;
Bitboard b2 = shift<UpLeft >(pawnsNotOn7) & enemies;
while (b1)
{
Square to = pop_lsb(&b1);
*moveList++ = make_move(to - Right, to);
*moveList++ = make_move(to - UpRight, to);
}
while (b2)
{
Square to = pop_lsb(&b2);
*moveList++ = make_move(to - Left, to);
*moveList++ = make_move(to - UpLeft, to);
}
if (pos.ep_square() != SQ_NONE)