X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmove.h;h=0cf6ac6301b4baa350788e6352b57b7098a8d3c5;hp=9702d9fbebcfbd0ab6a9088b3889f4807eb754c2;hb=5c944fb3b46931262effc6628ca5eb58fa4aa172;hpb=55b5b03273e9740b63663ee84a17788c5424eec3 diff --git a/src/move.h b/src/move.h index 9702d9fb..0cf6ac63 100644 --- a/src/move.h +++ b/src/move.h @@ -86,10 +86,10 @@ inline void insertion_sort(T* firstMove, T* lastMove) } } -// Our dedicated sort in range [firstMove, lastMove), it is well -// tuned for non-captures where we have a lot of zero scored moves. +// Our dedicated sort in range [firstMove, lastMove), first splits +// positive scores from ramining then order seaprately the two sets. template -inline void sort_moves(T* firstMove, T* lastMove) +inline void sort_moves(T* firstMove, T* lastMove, T** lastPositive) { T tmp; T *p, *d; @@ -114,29 +114,9 @@ inline void sort_moves(T* firstMove, T* lastMove) } while (p != d); - // Sort positives + // Sort just positive scored moves, remaining only when we get there insertion_sort(firstMove, p); - - d = lastMove; - p--; - - // Split zero vs negatives - do { - while ((++p)->score == 0); - - if (p != d) - { - while (--d != p && d->score < 0); - - tmp = *p; - *p = *d; - *d = tmp; - } - - } while (p != d); - - // Sort negatives - insertion_sort(p, lastMove); + *lastPositive = p; } // Picks up the best move in range [curMove, lastMove), one per cycle.