include cmath lib

36152ff1 · mercury233 · 3c024ddb · 36152ff1
Commit 36152ff1 authored May 04, 2018 by mercury233
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field.h field.h +1 -0

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--- a/field.h
+++ b/field.h
@@ -19,6 +19,7 @@
 #include <functional>
 #include <unordered_map>
 #include <unordered_set>
+#include <cmath>
 class card;
 struct card_data;