Fix CMake build problems from recent additions to evaluate_bots.

PiperOrigin-RevId: 377245992 Change-Id: I98c0b6571409e4b6056850c21ec0a098185b8027
xishuaidelin · Jun 3, 2021 · 526271f · 526271f
1 parent 1651b55
commit 526271f
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Showing 2 changed files with 11 additions and 3 deletions.
diff --git a/open_spiel/algorithms/evaluate_bots.cc b/open_spiel/algorithms/evaluate_bots.cc
@@ -15,8 +15,11 @@
 #include "open_spiel/algorithms/evaluate_bots.h"
 
 #include <limits>
+#include <random>
 #include <vector>
 
+#include "open_spiel/abseil-cpp/absl/time/time.h"
+#include "open_spiel/abseil-cpp/absl/random/distributions.h"
 #include "open_spiel/spiel.h"
 #include "open_spiel/spiel_bots.h"
 
@@ -70,8 +73,9 @@ std::vector<double> EvaluateBots(const Game& game,
 
 std::vector<double> EvaluateBots(const Game& game,
                                  const std::vector<Bot*>& bots) {
-  absl::BitGen gen;
-  const int seed = absl::Uniform<int>(gen, std::numeric_limits<int>::min(),
+  absl::Duration time_gap = absl::Now() - absl::UnixEpoch();
+  std::mt19937 rng(absl::ToInt64Nanoseconds(time_gap));
+  const int seed = absl::Uniform<int>(rng, std::numeric_limits<int>::min(),
                                       std::numeric_limits<int>::max());
   return EvaluateBots(game, bots, seed);
 }

diff --git a/open_spiel/julia/wrapper/spieljl.cc b/open_spiel/julia/wrapper/spieljl.cc
@@ -687,7 +687,11 @@ JLCXX_MODULE define_julia_module(jlcxx::Module& mod) {
       .constructor<const open_spiel::Game&,
                    const std::unordered_map<std::string, int>&, int>();
 
-  mod.method("evaluate_bots", &open_spiel::EvaluateBots);
+  mod.method("evaluate_bots", [](open_spiel::State* state,
+                                 const std::vector<open_spiel::Bot*>& bots,
+                                 int seed) {
+    return open_spiel::EvaluateBots(state, bots, seed);
+  });
   mod.method("exploitability", [](const open_spiel::Game& game,
                                   const open_spiel::Policy& policy) {
     return open_spiel::algorithms::Exploitability(game, policy);