From: Alan Cox <alan@linux.intel.com>
Date: Mon, 5 Mar 2018 20:25:58 +0000 (+0000)
Subject: atanh: fix build
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=ded69a62f936315cc1a25a65cf12b0df925b303c;p=FUZIX.git

atanh: fix build
---

diff --git a/Library/libs/atanh.c b/Library/libs/atanh.c
index 0f7a3058..7f6f329c 100644
--- a/Library/libs/atanh.c
+++ b/Library/libs/atanh.c
@@ -42,9 +42,9 @@ double atanh(double x)
 	EXTRACT_WORDS(hx, lx, x);
 	ix = hx & 0x7fffffff;
 	if ((ix | ((lx|-lx)>>31)) > 0x3ff00000)  /* |x| > 1 */
-		return __sNaN;
+		return (x-x)/(x-x);
 	if (ix == 0x3ff00000)
-		return __Nan;
+		return x/0.0;
 	if (ix < 0x3e300000 && (huge+x) > 0.0)   /* x < 2**-28 */
 		return x;
 	SET_HIGH_WORD(x, ix);