From 4741c548d6bbd79f1cded18964e3418a16f77fdb Mon Sep 17 00:00:00 2001
From: Caleb Butler <butlercq@gmail.com>
Date: Thu, 5 Oct 2023 09:40:52 -0400
Subject: [PATCH] Fix compiling on VS2019

In VS2019, although the math functions are intrinsic, they need to be
declared by the math.h header. So the header must be included in the
ifndef block.
---
 src/ExtMath.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/ExtMath.c b/src/ExtMath.c
index a44587c45..61eb279fc 100644
--- a/src/ExtMath.c
+++ b/src/ExtMath.c
@@ -5,6 +5,7 @@
 #include <stdlib.h>
 
 #ifndef __GNUC__
+#include <math.h>
 float Math_AbsF(float x)  { return fabsf(x); /* MSVC intrinsic */ }
 float Math_SqrtF(float x) { return sqrtf(x); /* MSVC intrinsic */ }
 #endif