From 8dee6fe6a5e7dd31af9c83ec2fe31d0d13dfa44f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Storsj=C3=B6?= <martin@martin.st>
Date: Tue, 30 Jul 2019 23:51:09 +0300
Subject: [PATCH] Cygwin: math: Fix cosh(-INFINITY) to return +INFINITY
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Signed-off-by: Martin Storsjö <martin@martin.st>
---
 winsup/cygwin/math/coshl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/winsup/cygwin/math/coshl.c b/winsup/cygwin/math/coshl.c
index d7eb4b7cb..e63699625 100644
--- a/winsup/cygwin/math/coshl.c
+++ b/winsup/cygwin/math/coshl.c
@@ -21,7 +21,7 @@ long double coshl(long double x)
   else if (x_class == FP_INFINITE)
     {
        errno = ERANGE;
-       return x;
+       return INFINITY;
     }
   x = fabsl (x);
   if (x > (MAXLOGL + LOGE2L))