X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmisc.h;h=e0e0e98be8357cee894b2133ead6f654c0abc3f4;hp=72be1ee4beaeed03649b23468dac8c617b035247;hb=37e38639279bf58558b92932739da57e7c2e3bdc;hpb=d8f683760c9eb6d2c4714ec83e717dd2143de55c diff --git a/src/misc.h b/src/misc.h index 72be1ee4..e0e0e98b 100644 --- a/src/misc.h +++ b/src/misc.h @@ -2,7 +2,7 @@ Stockfish, a UCI chess playing engine derived from Glaurung 2.1 Copyright (C) 2004-2008 Tord Romstad (Glaurung author) Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad - Copyright (C) 2015-2017 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad + Copyright (C) 2015-2020 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad Stockfish is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -30,8 +30,10 @@ #include "types.h" const std::string engine_info(bool to_uci = false); +const std::string compiler_info(); void prefetch(void* addr); void start_logger(const std::string& fname); +void* aligned_ttmem_alloc(size_t size, void*& mem); void dbg_hit_on(bool b); void dbg_hit_on(bool c, bool b); @@ -40,6 +42,8 @@ void dbg_print(); typedef std::chrono::milliseconds::rep TimePoint; // A value in milliseconds +static_assert(sizeof(TimePoint) == sizeof(int64_t), "TimePoint should be 64 bits"); + inline TimePoint now() { return std::chrono::duration_cast (std::chrono::steady_clock::now().time_since_epoch()).count(); @@ -50,7 +54,7 @@ struct HashTable { Entry* operator[](Key key) { return &table[(uint32_t)key & (Size - 1)]; } private: - std::vector table = std::vector(Size); + std::vector table = std::vector(Size); // Allocate on the heap }; @@ -60,6 +64,14 @@ std::ostream& operator<<(std::ostream&, SyncCout); #define sync_cout std::cout << IO_LOCK #define sync_endl std::endl << IO_UNLOCK +namespace Utility { + +/// Clamp a value between lo and hi. Available in c++17. +template constexpr const T& clamp(const T& v, const T& lo, const T& hi) { + return v < lo ? lo : v > hi ? hi : v; +} + +} /// xorshift64star Pseudo-Random Number Generator /// This class is based on original code written and dedicated