From 237b7564dc3179f8c2a91820aae3f4c2d8534bcf Mon Sep 17 00:00:00 2001
From: Jakob Kaivo <jkk@ung.org>
Date: Wed, 31 Jan 2024 11:59:09 -0500
Subject: fix compilation issues

---
 src/math/_tgmath.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/math/_tgmath.h b/src/math/_tgmath.h
index 980d3c45..262a59a9 100644
--- a/src/math/_tgmath.h
+++ b/src/math/_tgmath.h
@@ -1,6 +1,7 @@
 #ifndef __NONSTD_TGMATH_H__
 #define __NONSTD_TGMATH_H__
 #include <math.h>
+#include <fenv.h>
 #include "_safety.h"
 
 #ifndef FP_ZERO
@@ -41,7 +42,7 @@
 #endif
 
 #ifndef copysign
-#define copysign(_x, _y) (_x < 0 ? -_y : _y)
+#define copysign(_x, _y) ((_x) < 0 ? -(_y) : (_y))
 #endif
 
 #ifndef M_PI
-- 
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