From 64b9aec12be7080c3b81e505044b139d56bb07c4 Mon Sep 17 00:00:00 2001
From: John Denker <jsd@av8n.com>
Date: Mon, 30 Jul 2012 21:32:40 -0700
Subject: minor: prefer stdlib to cmath

---
 tools/utils.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/tools/utils.c b/tools/utils.c
index c544f20..602a144 100644
--- a/tools/utils.c
+++ b/tools/utils.c
@@ -1,8 +1,10 @@
 #include <string>
 #include <sstream>
 #include <iomanip>
-//#include <stdlib.h>     /* for abs() */
-#include <cmath>
+#include <stdlib.h>     /* for abs() */
+/////                   <cmath> would not be an improvement
+/////                   due to lack of interger abs()
+/////                   and ambiguous (and inefficient) promotion
 #include <ctype.h>      /* for isalnum() */
 
 // strip off the directory part of a path, leaving just
-- 
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