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Hi! 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. --- libc/math/libm-test.inc.jj 2004-02-09 14:52:32.000000000 +0100 +++ libc/math/libm-test.inc 2004-02-12 18:19:04.000000000 +0100 @@ -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 */ --- libc/sysdeps/ieee754/ldbl-128/s_lroundl.c.jj 2001-07-06 06:55:55.000000000 +0200 +++ libc/sysdeps/ieee754/ldbl-128/s_lroundl.c 2004-02-12 18:05:30.000000000 +0100 @@ -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 --- libc/sysdeps/ieee754/ldbl-128/s_lrintl.c.jj 2001-07-06 06:55:55.000000000 +0200 +++ libc/sysdeps/ieee754/ldbl-128/s_lrintl.c 2004-02-12 18:05:23.000000000 +0100 @@ -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 --- libc/sysdeps/ieee754/ldbl-128/s_llroundl.c.jj 2001-07-06 06:55:55.000000000 +0200 +++ libc/sysdeps/ieee754/ldbl-128/s_llroundl.c 2004-02-12 18:06:40.000000000 +0100 @@ -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 --- libc/sysdeps/ieee754/ldbl-96/s_llrintl.c.jj 2001-07-06 06:55:55.000000000 +0200 +++ libc/sysdeps/ieee754/ldbl-96/s_llrintl.c 2004-02-12 18:09:43.000000000 +0100 @@ -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)); Jakub
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