From 21b27c10c28b249ce453ed7e691fff90cd3c519f Mon Sep 17 00:00:00 2001
From: mikesinouye <mikeinouye@google.com>
Date: Wed, 13 Nov 2024 11:37:51 -0800
Subject: [PATCH] Add <cstdlib> header for later cpp compatibility. (#122)

* Add <cstdlib> header for later cpp  compatibility.

Signed-off-by: Mike Inouye <mikeinouye@google.com>

* Add include comment and use <cmath> for abs instead.

Signed-off-by: Mike Inouye <mikeinouye@google.com>

---------

Signed-off-by: Mike Inouye <mikeinouye@google.com>
---
 dcalc/FindRoot.cc  | 2 +-
 util/StringUtil.cc | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/dcalc/FindRoot.cc b/dcalc/FindRoot.cc
index a6bdde60..78826d62 100644
--- a/dcalc/FindRoot.cc
+++ b/dcalc/FindRoot.cc
@@ -16,7 +16,7 @@
 
 #include "FindRoot.hh"
 
-#include <algorithm> // abs
+#include <cmath> // abs
 
 namespace sta {
 
diff --git a/util/StringUtil.cc b/util/StringUtil.cc
index bdde20e1..685ae389 100644
--- a/util/StringUtil.cc
+++ b/util/StringUtil.cc
@@ -19,6 +19,7 @@
 #include <limits>
 #include <cctype>
 #include <cstdio>
+#include <cstdlib> // exit
 #include <array>
 #include <algorithm>