Simplify futility equation

[stockfish] / src / ucioption.cpp

diff --git a/src/ucioption.cpp b/src/ucioption.cpp
index 8bc4e4364383b01ba986b56bf6c6719b49dfc0b0..23c0c4805b816ab801f1a04acbfd65d28efd3058 100644 (file)
--- a/src/ucioption.cpp
+++ b/src/ucioption.cpp
@@ -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) 2015-2019 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
@@ -21,6 +21,7 @@
 #include <algorithm>
 #include <cassert>
 #include <ostream>
+#include <sstream>
 
 #include "misc.h"
 #include "search.h"
@@ -55,10 +56,12 @@ bool CaseInsensitiveLess::operator() (const string& s1, const string& s2) const
 
 void init(OptionsMap& o) {
 
-  const int MaxHashMB = Is64Bit ? 1024 * 1024 : 2048;
+  // at most 2^32 clusters.
+  constexpr int MaxHashMB = Is64Bit ? 131072 : 2048;
 
   o["Debug Log File"]        << Option("", on_logger);
-  o["Contempt"]              << Option(0, -100, 100);
+  o["Contempt"]              << Option(24, -100, 100);
+  o["Analysis Contempt"]     << Option("Both var Off var White var Black var Both", "Both");
   o["Threads"]               << Option(1, 1, 512, on_threads);
   o["Hash"]                  << Option(16, 1, MaxHashMB, on_hash_size);
   o["Clear Hash"]            << Option(on_clear_hash);
@@ -66,12 +69,17 @@ void init(OptionsMap& o) {
   o["MultiPV"]               << Option(1, 1, 500);
   o["Skill Level"]           << Option(20, 0, 20);
   o["Move Overhead"]         << Option(30, 0, 5000);
+  o["Minimum Thinking Time"] << Option(20, 0, 5000);
+  o["Slow Mover"]            << Option(84, 10, 1000);
   o["nodestime"]             << Option(0, 0, 10000);
   o["UCI_Chess960"]          << Option(false);
+  o["UCI_AnalyseMode"]       << Option(false);
+  o["UCI_LimitStrength"]     << Option(false);
+  o["UCI_Elo"]               << Option(1350, 1350, 2850);
   o["SyzygyPath"]            << Option("<empty>", on_tb_path);
   o["SyzygyProbeDepth"]      << Option(1, 1, 100);
   o["Syzygy50MoveRule"]      << Option(true);
-  o["SyzygyProbeLimit"]      << Option(6, 0, 6);
+  o["SyzygyProbeLimit"]      << Option(7, 0, 7);
 }
 
 
@@ -87,11 +95,13 @@ std::ostream& operator<<(std::ostream& os, const OptionsMap& om) {
               const Option& o = it.second;
               os << "\noption name " << it.first << " type " << o.type;
 
-              if (o.type != "button")
+              if (o.type == "string" || o.type == "check" || o.type == "combo")
                   os << " default " << o.defaultValue;
 
               if (o.type == "spin")
-                  os << " min " << o.min << " max " << o.max;
+                  os << " default " << int(stof(o.defaultValue))
+                     << " min "     << o.min
+                     << " max "     << o.max;
 
               break;
           }
@@ -111,12 +121,15 @@ Option::Option(bool v, OnChange f) : type("check"), min(0), max(0), on_change(f)
 Option::Option(OnChange f) : type("button"), min(0), max(0), on_change(f)
 {}
 
-Option::Option(int v, int minv, int maxv, OnChange f) : type("spin"), min(minv), max(maxv), on_change(f)
+Option::Option(double v, int minv, int maxv, OnChange f) : type("spin"), min(minv), max(maxv), on_change(f)
 { defaultValue = currentValue = std::to_string(v); }
 
-Option::operator int() const {
+Option::Option(const char* v, const char* cur, OnChange f) : type("combo"), min(0), max(0), on_change(f)
+{ defaultValue = v; currentValue = cur; }
+
+Option::operator double() const {
   assert(type == "check" || type == "spin");
-  return (type == "spin" ? stoi(currentValue) : currentValue == "true");
+  return (type == "spin" ? stof(currentValue) : currentValue == "true");
 }
 
 Option::operator std::string() const {
@@ -124,6 +137,12 @@ Option::operator std::string() const {
   return currentValue;
 }
 
+bool Option::operator==(const char* s) const {
+  assert(type == "combo");
+  return   !CaseInsensitiveLess()(currentValue, s)
+        && !CaseInsensitiveLess()(s, currentValue);
+}
+
 
 /// operator<<() inits options and assigns idx in the correct printing order
 
@@ -137,8 +156,8 @@ void Option::operator<<(const Option& o) {
 
 
 /// operator=() updates currentValue and triggers on_change() action. It's up to
-/// the GUI to check for option's limits, but we could receive the new value from
-/// the user by console window, so let's check the bounds anyway.
+/// the GUI to check for option's limits, but we could receive the new value
+/// from the user by console window, so let's check the bounds anyway.
 
 Option& Option::operator=(const string& v) {
 
@@ -146,9 +165,20 @@ Option& Option::operator=(const string& v) {
 
   if (   (type != "button" && v.empty())
       || (type == "check" && v != "true" && v != "false")
-      || (type == "spin" && (stoi(v) < min || stoi(v) > max)))
+      || (type == "spin" && (stof(v) < min || stof(v) > max)))
       return *this;
 
+  if (type == "combo")
+  {
+      OptionsMap comboMap; // To have case insensitive compare
+      string token;
+      std::istringstream ss(defaultValue);
+      while (ss >> token)
+          comboMap[token] << Option();
+      if (!comboMap.count(v) || v == "var")
+          return *this;
+  }
+
   if (type != "button")
       currentValue = v;