From: Alan Cox <alan@linux.intel.com>
Date: Mon, 5 Mar 2018 20:29:00 +0000 (+0000)
Subject: sqrt: fix SNaN
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=91fe9ddb49719e21d7ad0ef2919ff44647356c63;p=FUZIX.git

sqrt: fix SNaN
---

diff --git a/Library/libs/sqrt.c b/Library/libs/sqrt.c
index bf62cfc8..0d307870 100644
--- a/Library/libs/sqrt.c
+++ b/Library/libs/sqrt.c
@@ -101,8 +101,7 @@ double sqrt(double x)
 			return x;  /* sqrt(+-0) = +-0 */
 		if (ix0 < 0) {
 			raise(SIGFPE);
-			return __sNAN;
-			/* return (x-x)/(x-x); */ /* sqrt(-ve) = sNaN */
+			return (x-x)/(x-x); /* sqrt(-ve) = sNaN */
 		}
 	}
 	/* normalize x */