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authorAndreas Jaeger <aj@suse.de>2001-08-08 16:17:56 +0000
committerAndreas Jaeger <aj@suse.de>2001-08-08 16:17:56 +0000
commitbfc4cf5a1756e694dcacce8637ea6eab8d362739 (patch)
tree20325fd03ada86e1d5722dc7385b934919e1829e /sysdeps
parentb412350783d865d2e988ae9effa3249d4d3906b0 (diff)
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(__ilogbl): Fix test for infinity.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/ieee754/ldbl-96/s_ilogbl.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/sysdeps/ieee754/ldbl-96/s_ilogbl.c b/sysdeps/ieee754/ldbl-96/s_ilogbl.c
index 9688f5af8f..6b781011c7 100644
--- a/sysdeps/ieee754/ldbl-96/s_ilogbl.c
+++ b/sysdeps/ieee754/ldbl-96/s_ilogbl.c
@@ -53,9 +53,13 @@ static char rcsid[] = "$NetBSD: $";
 	    return ix;
 	}
 	else if (es<0x7fff) return es-0x3fff;
-	else if (FP_ILOGBNAN != INT_MAX && (hx|lx) == 0)
-	    /* ISO C99 requires ilogbl(+-Inf) == INT_MAX.  */
-	    return INT_MAX;
+	else if (FP_ILOGBNAN != INT_MAX)
+	{
+	    GET_LDOUBLE_WORDS(es,hx,lx,x);
+	    if ((hx & 0x7fffffff|lx) == 0)
+	      /* ISO C99 requires ilogbl(+-Inf) == INT_MAX.  */
+	      return INT_MAX;
+	}
 	return FP_ILOGBNAN;
 }
 weak_alias (__ilogbl, ilogbl)