Fix ambiguity between clamp implementations

[stockfish] / src / search.cpp

diff --git a/src/search.cpp b/src/search.cpp
index 7f6abf15aef1a2a3ab81d2bffae42cc2ad77b9fb..3d130efcdb2e790917470f6fe968e0bd19ee14a2 100644 (file)
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -365,7 +365,7 @@ void Thread::search() {
   // for match (TC 60+0.6) results spanning a wide range of k values.
   PRNG rng(now());
   double floatLevel = Options["UCI_LimitStrength"] ?
-                        clamp(std::pow((Options["UCI_Elo"] - 1346.6) / 143.4, 1 / 0.806), 0.0, 20.0) :
+                      Utility::clamp(std::pow((Options["UCI_Elo"] - 1346.6) / 143.4, 1 / 0.806), 0.0, 20.0) :
                         double(Options["Skill Level"]);
   int intLevel = int(floatLevel) +
                  ((floatLevel - int(floatLevel)) * 1024 > rng.rand<unsigned>() % 1024  ? 1 : 0);
@@ -538,7 +538,7 @@ void Thread::search() {
       {
           double fallingEval = (332 +  6 * (mainThread->previousScore - bestValue)
                                     +  6 * (mainThread->iterValue[iterIdx]  - bestValue)) / 704.0;
-          fallingEval = clamp(fallingEval, 0.5, 1.5);
+          fallingEval = Utility::clamp(fallingEval, 0.5, 1.5);
 
           // If the bestMove is stable over several iterations, reduce time accordingly
           timeReduction = lastBestMoveDepth + 9 < completedDepth ? 1.94 : 0.91;
@@ -1197,7 +1197,7 @@ moves_loop: // When in check, search starts from here
           else if (depth < 8 && moveCount > 2)
               r++;
 
-          Depth d = clamp(newDepth - r, 1, newDepth);
+          Depth d = Utility::clamp(newDepth - r, 1, newDepth);
 
           value = -search<NonPV>(pos, ss+1, -(alpha+1), -alpha, d, true);