diff options
| -rw-r--r-- | ChangeLog | 11 | ||||
| -rw-r--r-- | math/libm-test.inc | 10 | ||||
| -rw-r--r-- | sysdeps/ieee754/ldbl-128/s_llroundl.c | 7 | ||||
| -rw-r--r-- | sysdeps/ieee754/ldbl-128/s_lrintl.c | 7 | ||||
| -rw-r--r-- | sysdeps/ieee754/ldbl-128/s_lroundl.c | 7 | ||||
| -rw-r--r-- | sysdeps/ieee754/ldbl-96/s_llrintl.c | 4 |
6 files changed, 38 insertions, 8 deletions
@@ -1,3 +1,14 @@ +2004-02-12 Jakub Jelinek <jakub@redhat.com> + + * math/libm-test.inc (lrint_test): Add new test. + (llrint_test, lround_test, llround_test): Likewise. + * sysdeps/ieee754/ldbl-128/s_lroundl.c (__lroundl): Fix special case + with result taking up 48 bits. + * sysdeps/ieee754/ldbl-128/s_lrintl.c (__lrintl): Likewise. + * sysdeps/ieee754/ldbl-128/s_llroundl.c (__llroundl): Likewise. + * sysdeps/ieee754/ldbl-96/s_llrintl.c (__llrintl): Fix special case + with result taking up 31 bits. + 2004-02-12 Ulrich Drepper <drepper@redhat.com> * locale/programs/locale.c (show_locale_vars): Don't print a value diff --git a/math/libm-test.inc b/math/libm-test.inc index c009d61d49..bad3948f1d 100644 --- a/math/libm-test.inc +++ b/math/libm-test.inc @@ -3104,6 +3104,9 @@ lrint_test (void) TEST_f_l (lrint, 1071930.0008, 1071930); #ifndef TEST_FLOAT TEST_f_l (lrint, 1073741824.01, 1073741824); +# if LONG_MAX > 281474976710656 + TEST_f_l (lrint, 281474976710656.025, 281474976710656); +# endif #endif END (lrint); @@ -3143,6 +3146,8 @@ llrint_test (void) TEST_f_L (llrint, 2199023255552.0, 2199023255552LL); /* 0x40000000000 */ TEST_f_L (llrint, 4398046511104.0, 4398046511104LL); + /* 0x1000000000000 */ + TEST_f_L (llrint, 281474976710656.0, 281474976710656LL); /* 0x10000000000000 */ TEST_f_L (llrint, 4503599627370496.0, 4503599627370496LL); /* 0x10000080000000 */ @@ -3321,6 +3326,9 @@ lround_test (void) TEST_f_l (lround, 1071930.0008, 1071930); #ifndef TEST_FLOAT TEST_f_l (lround, 1073741824.01, 1073741824); +# if LONG_MAX > 281474976710656 + TEST_f_l (lround, 281474976710656.025, 281474976710656); +# endif TEST_f_l (lround, 2097152.5, 2097153); TEST_f_l (lround, -2097152.5, -2097153); #endif @@ -3364,6 +3372,8 @@ llround_test (void) TEST_f_L (llround, 2199023255552.0, 2199023255552LL); /* 0x40000000000 */ TEST_f_L (llround, 4398046511104.0, 4398046511104LL); + /* 0x1000000000000 */ + TEST_f_L (llround, 281474976710656.0, 281474976710656LL); /* 0x10000000000000 */ TEST_f_L (llround, 4503599627370496.0, 4503599627370496LL); /* 0x10000080000000 */ diff --git a/sysdeps/ieee754/ldbl-128/s_llroundl.c b/sysdeps/ieee754/ldbl-128/s_llroundl.c index 9129c15e1f..b4609cdfd0 100644 --- a/sysdeps/ieee754/ldbl-128/s_llroundl.c +++ b/sysdeps/ieee754/ldbl-128/s_llroundl.c @@ -1,5 +1,5 @@ /* Round long double value to long long int. - Copyright (C) 1997, 1999 Free Software Foundation, Inc. + Copyright (C) 1997, 1999, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997 and Jakub Jelinek <jj@ultra.linux.cz>, 1999. @@ -58,7 +58,10 @@ __llroundl (long double x) if (j < i1) ++i0; - result = ((long long int) i0 << (j0 - 48)) | (j >> (112 - j0)); + if (j0 == 48) + result = (long long int) i0; + else + result = ((long long int) i0 << (j0 - 48)) | (j >> (112 - j0)); } } else diff --git a/sysdeps/ieee754/ldbl-128/s_lrintl.c b/sysdeps/ieee754/ldbl-128/s_lrintl.c index 350b100b9b..66f9a429fc 100644 --- a/sysdeps/ieee754/ldbl-128/s_lrintl.c +++ b/sysdeps/ieee754/ldbl-128/s_lrintl.c @@ -1,6 +1,6 @@ /* Round argument to nearest integral value according to current rounding direction. - Copyright (C) 1997, 1999 Free Software Foundation, Inc. + Copyright (C) 1997, 1999, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997 and Jakub Jelinek <jj@ultra.linux.cz>, 1999. @@ -75,7 +75,10 @@ __lrintl (long double x) i0 &= 0x0000ffffffffffffLL; i0 |= 0x0001000000000000LL; - result = ((long int) i0 << (j0 - 48)) | (i1 >> (112 - j0)); + if (j0 == 48) + result = (long int) i0; + else + result = ((long int) i0 << (j0 - 48)) | (i1 >> (112 - j0)); } } else diff --git a/sysdeps/ieee754/ldbl-128/s_lroundl.c b/sysdeps/ieee754/ldbl-128/s_lroundl.c index 2a941a1474..1346a04615 100644 --- a/sysdeps/ieee754/ldbl-128/s_lroundl.c +++ b/sysdeps/ieee754/ldbl-128/s_lroundl.c @@ -1,5 +1,5 @@ /* Round long double value to long int. - Copyright (C) 1997, 1999 Free Software Foundation, Inc. + Copyright (C) 1997, 1999, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997 and Jakub Jelinek <jj@ultra.linux.cz>, 1999. @@ -58,7 +58,10 @@ __lroundl (long double x) if (j < i1) ++i0; - result = ((long int) i0 << (j0 - 48)) | (j >> (112 - j0)); + if (j0 == 48) + result = (long int) i0; + else + result = ((long int) i0 << (j0 - 48)) | (j >> (112 - j0)); } } else diff --git a/sysdeps/ieee754/ldbl-96/s_llrintl.c b/sysdeps/ieee754/ldbl-96/s_llrintl.c index 665abe204f..e927a8af40 100644 --- a/sysdeps/ieee754/ldbl-96/s_llrintl.c +++ b/sysdeps/ieee754/ldbl-96/s_llrintl.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. @@ -58,7 +58,7 @@ __llrintl (long double x) GET_LDOUBLE_WORDS (se, i0, i1, t); j0 = (se & 0x7fff) - 0x3fff; - if (j0 < 31) + if (j0 <= 31) result = i0 >> (31 - j0); else result = ((long long int) i0 << (j0 - 31)) | (i1 >> (63 - j0)); |