Add missing system header includes. (#330)

Logikable · web-flow · commit c4b94c3ee58f · 2025-11-17T09:23:32.000-08:00
Signed-off-by: Sean Luchen &lt;seanluchen@google.com&gt;
diff --git a/dcalc/ArcDelayCalc.cc b/dcalc/ArcDelayCalc.cc
@@ -24,6 +24,8 @@
 
 #include "ArcDelayCalc.hh"
 
+#include <cstdlib>
+
 #include "Units.hh"
 #include "Liberty.hh"
 #include "TimingArc.hh"
diff --git a/liberty/TableModel.cc b/liberty/TableModel.cc
@@ -24,6 +24,7 @@
 
 #include "TableModel.hh"
 
+#include <cmath>
 #include <string>
 
 #include "Error.hh"
