From c4b94c3ee58fde01962a1d5c6aa7d26050f22210 Mon Sep 17 00:00:00 2001
From: Logikable <seanluchen@google.com>
Date: Mon, 17 Nov 2025 09:23:32 -0800
Subject: [PATCH] Add missing system header includes. (#330)

Signed-off-by: Sean Luchen <seanluchen@google.com>
---
 dcalc/ArcDelayCalc.cc | 2 ++
 liberty/TableModel.cc | 1 +
 2 files changed, 3 insertions(+)

diff --git a/dcalc/ArcDelayCalc.cc b/dcalc/ArcDelayCalc.cc
index 37dadf19..d20ca928 100644
--- 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
index 7d847a79..b4a0b325 100644
--- a/liberty/TableModel.cc
+++ b/liberty/TableModel.cc
@@ -24,6 +24,7 @@
 
 #include "TableModel.hh"
 
+#include <cmath>
 #include <string>
 
 #include "Error.hh"