From da715ae854aec74660dacc7402e20ff35d5028ae Mon Sep 17 00:00:00 2001
From: Stephen Heumann <stephenheumann@gmail.com>
Date: Sun, 28 Feb 2021 14:39:19 -0600
Subject: [PATCH] Fix a buggy test case.

It was calling fabs() without having included <math.h>, causing fabs() to be treated as returning an int rather than a floating-point value. This misinterpretation of the return value could cause test failures.
---
 Tests/Spec.Conform/SPC4636.1.CC | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Tests/Spec.Conform/SPC4636.1.CC b/Tests/Spec.Conform/SPC4636.1.CC
index d713b74..e834eaa 100644
--- a/Tests/Spec.Conform/SPC4636.1.CC
+++ b/Tests/Spec.Conform/SPC4636.1.CC
@@ -2,6 +2,8 @@
 /* arrays defined in the main source file.  Part of Special Conformance  */
 /* Test 4.6.3.6                                                          */
 
+#include <math.h>
+#include <stdio.h>
 
 int ExternTest (void)
   {