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authorUlrich Drepper <drepper@redhat.com>2004-02-01 19:23:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-02-01 19:23:10 +0000
commit3eb614154cb841e131cb1b9d213ef29f44b5fa10 (patch)
treee2fe7e7c449dfe69c69cde9db05dc238650b554d /sysdeps/ieee754/dbl-64/s_lround.c
parent00c707414167a28e5d9499a3314a79e375f3e329 (diff)
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Update.
	* math/libm-test.inc (lround_test): Add new test.
	(llround_test): Likewise.
	(lrint_test): Likewise.
	(llrint_test): Likewise.
	* sysdeps/ieee754/dbl-64/s_lround.c (__lround): Fix special case
	with result taking up 20 bits.
	* sysdeps/ieee754/dbl-64/s_lrint.c (__lrint): Likewise.
	* sysdeps/ieee754/dbl-64/s_llrint.c (__llrint): Likewise..
	* sysdeps/ieee754/ldbl-96/s_lroundl.c (__lroundl): Fix special
	case with result taking up 31 bits.
	* sysdeps/ieee754/ldbl-96/s_lrintl.c (__lrintl): Likewise.
Diffstat (limited to 'sysdeps/ieee754/dbl-64/s_lround.c')
-rw-r--r--sysdeps/ieee754/dbl-64/s_lround.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/sysdeps/ieee754/dbl-64/s_lround.c b/sysdeps/ieee754/dbl-64/s_lround.c
index 7c11c690ab..4e1302ad4d 100644
--- a/sysdeps/ieee754/dbl-64/s_lround.c
+++ b/sysdeps/ieee754/dbl-64/s_lround.c
@@ -1,5 +1,5 @@
 /* Round double value to long int.
-   Copyright (C) 1997 Free Software Foundation, Inc.
+   Copyright (C) 1997, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
@@ -58,7 +58,10 @@ __lround (double x)
 	  if (j < i1)
 	    ++i0;
 
-	  result = ((long int) i0 << (j0 - 20)) | (j >> (52 - j0));
+	  if (j0 == 20)
+	    result = (long int) i0;
+	  else
+	    result = ((long int) i0 << (j0 - 20)) | (j >> (52 - j0));
 	}
     }
   else