SDL: testautomation_math.c: use isinf(V) instead of fpclassify(V) == FP_INFINITE

From 4ecea42fb038f10dd7bb56976a4cf98c12beb0b2 Mon Sep 17 00:00:00 2001
From: Petar Popovic <[EMAIL REDACTED]>
Date: Sun, 17 Mar 2024 18:43:25 +0100
Subject: [PATCH] testautomation_math.c: use isinf(V) instead of fpclassify(V)
 == FP_INFINITE

Using fpclassify can cause a linker error.
Using isinf instead fixes this.
---
 test/testautomation_math.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/testautomation_math.c b/test/testautomation_math.c
index 1f2dbde1ca5b6..a799f691ec7bb 100644
--- a/test/testautomation_math.c
+++ b/test/testautomation_math.c
@@ -25,7 +25,7 @@
 #define EULER M_E
 #endif
 
-#define IS_INFINITY(V) fpclassify(V) == FP_INFINITE
+#define IS_INFINITY(V) isinf(V)
 
 /* Square root of 3 (used in atan2) */
 #define SQRT3 1.7320508075688771931766041234368458390235900878906250