Explicit std:: name space, seems to make compiler happy

This hopefully fixes the build errors on isnan() usage on the Ubuntu 16 platform, and also makes it clear which isnan() we use here.
apache · Mar 13, 2017 · 1076ec8 · 1076ec8
1 parent 8e5b9ea
commit 1076ec8
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/cmd/traffic_manager/metrics.cc b/cmd/traffic_manager/metrics.cc
@@ -102,7 +102,7 @@ struct Evaluator {
       case RECD_FLOAT:
         // Lua will eval 0/0 to NaN rather than 0.
         rec_value.rec_float = lua_tonumber(L, -1);
-        if (isnan(rec_value.rec_float)) {
+        if (std::isnan(rec_value.rec_float)) {
           rec_value.rec_float = 0.0;
         }
         break;