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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/ldbl-96
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/ldbl-96')
-rw-r--r--sysdeps/ieee754/ldbl-96/s_lrintl.c7
-rw-r--r--sysdeps/ieee754/ldbl-96/s_lroundl.c7
2 files changed, 10 insertions, 4 deletions
diff --git a/sysdeps/ieee754/ldbl-96/s_lrintl.c b/sysdeps/ieee754/ldbl-96/s_lrintl.c
index b8af7aa9b2..4212093989 100644
--- a/sysdeps/ieee754/ldbl-96/s_lrintl.c
+++ b/sysdeps/ieee754/ldbl-96/s_lrintl.c
@@ -1,6 +1,6 @@
 /* Round argument to nearest integral value according to current rounding
    direction.
-   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.
 
@@ -70,7 +70,10 @@ __lrintl (long double x)
 	  GET_LDOUBLE_WORDS (se, i0, i1, t);
 	  j0 = (se & 0x7fff) - 0x3fff;
 
-	  result = ((long int) i0 << (j0 - 31)) | (i1 >> (63 - j0));
+	  if (j0 == 31)
+	    result = (long int) i0;
+	  else
+	    result = ((long int) i0 << (j0 - 31)) | (i1 >> (63 - j0));
 	}
     }
   else
diff --git a/sysdeps/ieee754/ldbl-96/s_lroundl.c b/sysdeps/ieee754/ldbl-96/s_lroundl.c
index 32b6f6751e..217ce1b9e9 100644
--- a/sysdeps/ieee754/ldbl-96/s_lroundl.c
+++ b/sysdeps/ieee754/ldbl-96/s_lroundl.c
@@ -1,5 +1,5 @@
 /* Round long 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.
 
@@ -62,7 +62,10 @@ __lroundl (long double x)
 	  if (j < i1)
 	    ++i0;
 
-	  result = ((long int) i0 << (j0 - 31)) | (j >> (63 - j0));
+	  if (j0 == 31)
+	    result = (long int) i0;
+	  else
+	    result = ((long int) i0 << (j0 - 31)) | (j >> (63 - j0));
 	}
     }
   else