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-rw-r--r--ChangeLog26
-rw-r--r--NEWS2
-rw-r--r--math/libm-test.inc217
-rw-r--r--sysdeps/ieee754/dbl-64/s_lrint.c37
-rw-r--r--sysdeps/ieee754/ldbl-128/s_llrintl.c35
-rw-r--r--sysdeps/ieee754/ldbl-128/s_lrintl.c54
-rw-r--r--sysdeps/ieee754/ldbl-96/s_llrintl.c19
-rw-r--r--sysdeps/ieee754/ldbl-96/s_lrintl.c55
8 files changed, 422 insertions, 23 deletions
diff --git a/ChangeLog b/ChangeLog
index 8a4e803a29..0bfe5f56a4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,29 @@
+2015-10-08 Joseph Myers <joseph@codesourcery.com>
+
+ [BZ #19094]
+ * sysdeps/ieee754/dbl-64/s_lrint.c: Include <fenv.h> and
+ <limits.h>.
+ (__lrint) [FE_INVALID || FE_INEXACT]: Force FE_INVALID exception
+ when result overflows but exception would not result from cast.
+ * sysdeps/ieee754/ldbl-128/s_llrintl.c: Include <fenv.h> and
+ <limits.h>.
+ (__llrintl) [FE_INVALID || FE_INEXACT]: Force FE_INVALID exception
+ when result overflows but exception would not result from cast.
+ * sysdeps/ieee754/ldbl-128/s_lrintl.c: Include <fenv.h> and
+ <limits.h>.
+ (__lrintl) [FE_INVALID || FE_INEXACT]: Force FE_INVALID exception
+ when result overflows but exception would not result from cast.
+ * sysdeps/ieee754/ldbl-96/s_llrintl.c: Include <fenv.h> and
+ <limits.h>.
+ (__llrintl) [FE_INVALID || FE_INEXACT]: Force FE_INVALID exception
+ when result overflows but exception would not result from cast.
+ * sysdeps/ieee754/ldbl-96/s_lrintl.c: Include <fenv.h> and
+ <limits.h>.
+ (__lrintl) [FE_INVALID || FE_INEXACT]: Force FE_INVALID exception
+ when result overflows but exception would not result from cast.
+ * math/libm-test.inc (lrint_test_data): Add more tests.
+ (llrint_test_data): Likewise.
+
2015-10-08 Roland McGrath <roland@hack.frob.com>
[BZ #18872]
diff --git a/NEWS b/NEWS
index af70dc5bfc..352e468603 100644
--- a/NEWS
+++ b/NEWS
@@ -19,7 +19,7 @@ Version 2.23
18875, 18887, 18921, 18951, 18952, 18956, 18961, 18966, 18967, 18969,
18970, 18977, 18980, 18981, 18985, 19003, 19012, 19016, 19018, 19032,
19046, 19049, 19050, 19059, 19071, 19076, 19077, 19078, 19079, 19085,
- 19086, 19088.
+ 19086, 19088, 19094.
* The obsolete header <regexp.h> has been removed. Programs that require
this header must be updated to use <regex.h> instead.
diff --git a/math/libm-test.inc b/math/libm-test.inc
index cb738ca042..652735d027 100644
--- a/math/libm-test.inc
+++ b/math/libm-test.inc
@@ -7808,6 +7808,155 @@ static const struct test_f_l_data lrint_test_data[] =
#endif
TEST_f_l (lrint, -0x1p64, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
TEST_f_l (lrint, -0x1p65, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+ TEST_f_l (lrint, 0x7fffff80p0, 0x7fffff80LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#ifndef TEST_FLOAT
+ TEST_f_l (lrint, 0x7fffffffp0, 0x7fffffffLL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+# if LONG_MAX > 0x7fffffff
+ TEST_f_l (lrint, 0x7fffffff.4p0, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_l (lrint, 0x7fffffff.7ffffcp0, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_l (lrint, 0x7fffffff.8p0, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_l (lrint, 0x7fffffff.cp0, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+# else
+ TEST_f_l (lrint, 0x7fffffff.4p0, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+ TEST_f_l (lrint, 0x7fffffff.7ffffcp0, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+ TEST_f_l (lrint, 0x7fffffff.8p0, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+ TEST_f_l (lrint, 0x7fffffff.cp0, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+# endif
+#endif
+#if LONG_MAX > 0x7fffffff
+# if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 64
+ TEST_f_l (lrint, 0x7fffffff.7fffffff8p0L, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+# endif
+# if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 106
+ TEST_f_l (lrint, 0x7fffffff.7fffffffffffffffffep0L, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+# endif
+# if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 113
+ TEST_f_l (lrint, 0x7fffffff.7fffffffffffffffffffcp0L, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+# endif
+#else
+# if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 64
+ TEST_f_l (lrint, 0x7fffffff.7fffffff8p0L, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+# endif
+# if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 106
+ TEST_f_l (lrint, 0x7fffffff.7fffffffffffffffffep0L, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+# endif
+# if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 113
+ TEST_f_l (lrint, 0x7fffffff.7fffffffffffffffffffcp0L, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+# endif
+#endif
+#ifndef TEST_FLOAT
+# if LONG_MAX > 0x7fffffff
+ TEST_f_l (lrint, -0x80000000.4p0, -0x80000001LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_l (lrint, -0x80000000.7ffff8p0, -0x80000001LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_l (lrint, -0x80000000.8p0, -0x80000001LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_l (lrint, -0x80000000.cp0, -0x80000001LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000001LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_l (lrint, -0x80000001p0, -0x80000001LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+# else
+ TEST_f_l (lrint, -0x80000000.4p0, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_l (lrint, -0x80000000.7ffff8p0, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_l (lrint, -0x80000000.8p0, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_l (lrint, -0x80000000.cp0, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_l (lrint, -0x80000001p0, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+# endif
+#endif
+#if LONG_MAX > 0x7fffffff
+ TEST_f_l (lrint, -0x80000100p0, -0x80000100LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#else
+ TEST_f_l (lrint, -0x80000100p0, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+#endif
+#if LONG_MAX > 0x7fffffff
+# if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 64
+ TEST_f_l (lrint, -0x80000000.7fffffffp0L, -0x80000001LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+# endif
+# if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 106
+ TEST_f_l (lrint, -0x80000000.7fffffffffffffffffcp0L, -0x80000001LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+# endif
+# if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 113
+ TEST_f_l (lrint, -0x80000000.7fffffffffffffffffff8p0L, -0x80000001LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+# endif
+#else
+# if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 64
+ TEST_f_l (lrint, -0x80000000.7fffffffp0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+# endif
+# if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 106
+ TEST_f_l (lrint, -0x80000000.7fffffffffffffffffcp0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+# endif
+# if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 113
+ TEST_f_l (lrint, -0x80000000.7fffffffffffffffffff8p0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+# endif
+#endif
+#if LONG_MAX > 0x7fffffff
+ TEST_f_l (lrint, 0x7fffff8000000000p0, 0x7fffff8000000000LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#else
+ TEST_f_l (lrint, 0x7fffff8000000000p0, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+#endif
+#ifndef TEST_FLOAT
+# if LONG_MAX > 0x7fffffff
+ TEST_f_l (lrint, 0x7ffffffffffffc00p0, 0x7ffffffffffffc00LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+# else
+ TEST_f_l (lrint, 0x7ffffffffffffc00p0, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+# endif
+#endif
+#ifdef TEST_LDOUBLE
+# if LONG_MAX > 0x7fffffff
+ TEST_f_l (lrint, 0x7fffffffffffffffp0L, 0x7fffffffffffffffLL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_l (lrint, 0x7fffffffffffffff.8p0L, 0x7fffffffffffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION, 0x7fffffffffffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+# else
+ TEST_f_l (lrint, 0x7fffffffffffffffp0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+ TEST_f_l (lrint, 0x7fffffffffffffff.8p0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+# endif
+# if LDBL_MANT_DIG > 64
+# if LONG_MAX > 0x7fffffff
+ TEST_f_l (lrint, 0x7fffffffffffffff.4p0L, 0x7fffffffffffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffffffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffffffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+ TEST_f_l (lrint, 0x7fffffffffffffff.cp0L, 0x7fffffffffffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION, 0x7fffffffffffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+# else
+ TEST_f_l (lrint, 0x7fffffffffffffff.4p0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+ TEST_f_l (lrint, 0x7fffffffffffffff.cp0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+# endif
+# endif
+# if LONG_MAX > 0x7fffffff
+# if LDBL_MANT_DIG >= 106
+ TEST_f_l (lrint, 0x7fffffffffffffff.7fffffffffep0L, 0x7fffffffffffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffffffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffffffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+# endif
+# if LDBL_MANT_DIG >= 113
+ TEST_f_l (lrint, 0x7fffffffffffffff.7fffffffffffcp0L, 0x7fffffffffffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffffffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffffffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+# endif
+# else
+# if LDBL_MANT_DIG >= 106
+ TEST_f_l (lrint, 0x7fffffffffffffff.7fffffffffep0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+# endif
+# if LDBL_MANT_DIG >= 113
+ TEST_f_l (lrint, 0x7fffffffffffffff.7fffffffffffcp0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+# endif
+# endif
+#endif
+#ifdef TEST_LDOUBLE
+ TEST_f_l (lrint, -0x8000000000000001p0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+#endif
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 106
+# if LONG_MAX > 0x7fffffff
+ TEST_f_l (lrint, -0x8000000000000000.4p0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION, LLONG_MIN, INEXACT_EXCEPTION|ERRNO_UNCHANGED, LLONG_MIN, INEXACT_EXCEPTION|ERRNO_UNCHANGED, LLONG_MIN, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_l (lrint, -0x8000000000000000.7fffffffffcp0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION, LLONG_MIN, INEXACT_EXCEPTION|ERRNO_UNCHANGED, LLONG_MIN, INEXACT_EXCEPTION|ERRNO_UNCHANGED, LLONG_MIN, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_l (lrint, -0x8000000000000000.8p0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION, LLONG_MIN, INEXACT_EXCEPTION|ERRNO_UNCHANGED, LLONG_MIN, INEXACT_EXCEPTION|ERRNO_UNCHANGED, LLONG_MIN, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_l (lrint, -0x8000000000000000.cp0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION, LLONG_MIN, INEXACT_EXCEPTION|ERRNO_UNCHANGED, LLONG_MIN, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+# else
+ TEST_f_l (lrint, -0x8000000000000000.4p0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+ TEST_f_l (lrint, -0x8000000000000000.7fffffffffcp0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+ TEST_f_l (lrint, -0x8000000000000000.8p0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+ TEST_f_l (lrint, -0x8000000000000000.cp0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+# endif
+#endif
+ TEST_f_l (lrint, -0x8000010000000000p0, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+#ifndef TEST_FLOAT
+ TEST_f_l (lrint, -0x8000000000000800p0, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+#endif
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 113
+# if LONG_MAX > 0x7fffffff
+ TEST_f_l (lrint, -0x8000000000000000.7fffffffffff8p0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION, LLONG_MIN, INEXACT_EXCEPTION|ERRNO_UNCHANGED, LLONG_MIN, INEXACT_EXCEPTION|ERRNO_UNCHANGED, LLONG_MIN, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+# else
+ TEST_f_l (lrint, -0x8000000000000000.7fffffffffff8p0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+# endif
+#endif
TEST_f_l (lrint, 0.0, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_l (lrint, minus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_l (lrint, min_value, 0, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 1, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
@@ -7975,6 +8124,74 @@ static const struct test_f_L_data llrint_test_data[] =
TEST_f_L (llrint, -0x1p63, LLONG_MIN, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_L (llrint, -0x1p64, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
TEST_f_L (llrint, -0x1p65, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+ TEST_f_L (llrint, 0x7fffff80p0, 0x7fffff80LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#ifndef TEST_FLOAT
+ TEST_f_L (llrint, 0x7fffffffp0, 0x7fffffffLL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_L (llrint, 0x7fffffff.4p0, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_L (llrint, 0x7fffffff.7ffffcp0, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_L (llrint, 0x7fffffff.8p0, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_L (llrint, 0x7fffffff.cp0, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#endif
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 64
+ TEST_f_L (llrint, 0x7fffffff.7fffffff8p0L, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#endif
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 106
+ TEST_f_L (llrint, 0x7fffffff.7fffffffffffffffffep0L, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#endif
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 113
+ TEST_f_L (llrint, 0x7fffffff.7fffffffffffffffffffcp0L, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#endif
+#ifndef TEST_FLOAT
+ TEST_f_L (llrint, -0x80000000.4p0, -0x80000001LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_L (llrint, -0x80000000.7ffff8p0, -0x80000001LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_L (llrint, -0x80000000.8p0, -0x80000001LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_L (llrint, -0x80000000.cp0, -0x80000001LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000001LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_L (llrint, -0x80000001p0, -0x80000001LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#endif
+ TEST_f_L (llrint, -0x80000100p0, -0x80000100LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 64
+ TEST_f_L (llrint, -0x80000000.7fffffffp0L, -0x80000001LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#endif
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 106
+ TEST_f_L (llrint, -0x80000000.7fffffffffffffffffcp0L, -0x80000001LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#endif
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 113
+ TEST_f_L (llrint, -0x80000000.7fffffffffffffffffff8p0L, -0x80000001LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, -0x80000000LL, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#endif
+ TEST_f_L (llrint, 0x7fffff8000000000p0, 0x7fffff8000000000LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#ifndef TEST_FLOAT
+ TEST_f_L (llrint, 0x7ffffffffffffc00p0, 0x7ffffffffffffc00LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#endif
+#ifdef TEST_LDOUBLE
+ TEST_f_L (llrint, 0x7fffffffffffffffp0L, 0x7fffffffffffffffLL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_L (llrint, 0x7fffffffffffffff.8p0L, 0x7fffffffffffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION, 0x7fffffffffffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+# if LDBL_MANT_DIG > 64
+ TEST_f_L (llrint, 0x7fffffffffffffff.4p0L, 0x7fffffffffffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffffffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffffffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+ TEST_f_L (llrint, 0x7fffffffffffffff.cp0L, 0x7fffffffffffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION, 0x7fffffffffffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+# endif
+# if LDBL_MANT_DIG >= 106
+ TEST_f_L (llrint, 0x7fffffffffffffff.7fffffffffep0L, 0x7fffffffffffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffffffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffffffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+# endif
+# if LDBL_MANT_DIG >= 113
+ TEST_f_L (llrint, 0x7fffffffffffffff.7fffffffffffcp0L, 0x7fffffffffffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffffffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0x7fffffffffffffffLL, INEXACT_EXCEPTION|ERRNO_UNCHANGED, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+# endif
+#endif
+#ifdef TEST_LDOUBLE
+ TEST_f_L (llrint, -0x8000000000000001p0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+#endif
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 106
+ TEST_f_L (llrint, -0x8000000000000000.4p0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION, LLONG_MIN, INEXACT_EXCEPTION|ERRNO_UNCHANGED, LLONG_MIN, INEXACT_EXCEPTION|ERRNO_UNCHANGED, LLONG_MIN, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_L (llrint, -0x8000000000000000.7fffffffffcp0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION, LLONG_MIN, INEXACT_EXCEPTION|ERRNO_UNCHANGED, LLONG_MIN, INEXACT_EXCEPTION|ERRNO_UNCHANGED, LLONG_MIN, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_L (llrint, -0x8000000000000000.8p0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION, LLONG_MIN, INEXACT_EXCEPTION|ERRNO_UNCHANGED, LLONG_MIN, INEXACT_EXCEPTION|ERRNO_UNCHANGED, LLONG_MIN, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_L (llrint, -0x8000000000000000.cp0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION, LLONG_MIN, INEXACT_EXCEPTION|ERRNO_UNCHANGED, LLONG_MIN, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#endif
+ TEST_f_L (llrint, -0x8000010000000000p0, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+#ifndef TEST_FLOAT
+ TEST_f_L (llrint, -0x8000000000000800p0, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+#endif
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 113
+ TEST_f_L (llrint, -0x8000000000000000.7fffffffffff8p0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION, LLONG_MIN, INEXACT_EXCEPTION|ERRNO_UNCHANGED, LLONG_MIN, INEXACT_EXCEPTION|ERRNO_UNCHANGED, LLONG_MIN, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#endif
TEST_f_L (llrint, 0.0, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_L (llrint, minus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_L (llrint, min_value, 0, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 0, INEXACT_EXCEPTION|ERRNO_UNCHANGED, 1, INEXACT_EXCEPTION|ERRNO_UNCHANGED),
diff --git a/sysdeps/ieee754/dbl-64/s_lrint.c b/sysdeps/ieee754/dbl-64/s_lrint.c
index 353d5f503b..39f95adc21 100644
--- a/sysdeps/ieee754/dbl-64/s_lrint.c
+++ b/sysdeps/ieee754/dbl-64/s_lrint.c
@@ -18,6 +18,8 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
+#include <fenv.h>
+#include <limits.h>
#include <math.h>
#include <math_private.h>
@@ -62,8 +64,22 @@ __lrint (double x)
result = ((long int) i0 << (j0 - 20)) | (i1 << (j0 - 52));
else
{
- w = math_narrow_eval (two52[sx] + x);
- t = w - two52[sx];
+#if defined FE_INVALID || defined FE_INEXACT
+ /* X < LONG_MAX + 1 implied by J0 < 31. */
+ if (sizeof (long int) == 4
+ && x > (double) LONG_MAX)
+ {
+ /* In the event of overflow we must raise the "invalid"
+ exception, but not "inexact". */
+ t = __nearbyint (x);
+ feraiseexcept (t == LONG_MAX ? FE_INEXACT : FE_INVALID);
+ }
+ else
+#endif
+ {
+ w = math_narrow_eval (two52[sx] + x);
+ t = w - two52[sx];
+ }
EXTRACT_WORDS (i0, i1, t);
j0 = ((i0 >> 20) & 0x7ff) - 0x3ff;
i0 &= 0xfffff;
@@ -77,8 +93,21 @@ __lrint (double x)
}
else
{
- /* The number is too large. It is left implementation defined
- what happens. */
+ /* The number is too large. Unless it rounds to LONG_MIN,
+ FE_INVALID must be raised and the return value is
+ unspecified. */
+#if defined FE_INVALID || defined FE_INEXACT
+ if (sizeof (long int) == 4
+ && x < (double) LONG_MIN
+ && x > (double) LONG_MIN - 1.0)
+ {
+ /* If truncation produces LONG_MIN, the cast will not raise
+ the exception, but may raise "inexact". */
+ t = __nearbyint (x);
+ feraiseexcept (t == LONG_MIN ? FE_INEXACT : FE_INVALID);
+ return LONG_MIN;
+ }
+#endif
return (long int) x;
}
diff --git a/sysdeps/ieee754/ldbl-128/s_llrintl.c b/sysdeps/ieee754/ldbl-128/s_llrintl.c
index 77eb2d67e9..b9e2178cf2 100644
--- a/sysdeps/ieee754/ldbl-128/s_llrintl.c
+++ b/sysdeps/ieee754/ldbl-128/s_llrintl.c
@@ -19,6 +19,8 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
+#include <fenv.h>
+#include <limits.h>
#include <math.h>
#include <math_private.h>
@@ -47,8 +49,21 @@ __llrintl (long double x)
if (j0 < (int32_t) (8 * sizeof (long long int)) - 1)
{
- w = two112[sx] + x;
- t = w - two112[sx];
+#if defined FE_INVALID || defined FE_INEXACT
+ /* X < LLONG_MAX + 1 implied by J0 < 63. */
+ if (x > (long double) LLONG_MAX)
+ {
+ /* In the event of overflow we must raise the "invalid"
+ exception, but not "inexact". */
+ t = __nearbyintl (x);
+ feraiseexcept (t == LLONG_MAX ? FE_INEXACT : FE_INVALID);
+ }
+ else
+#endif
+ {
+ w = two112[sx] + x;
+ t = w - two112[sx];
+ }
GET_LDOUBLE_WORDS64 (i0, i1, t);
j0 = ((i0 >> 48) & 0x7fff) - 0x3fff;
i0 &= 0x0000ffffffffffffLL;
@@ -63,8 +78,20 @@ __llrintl (long double x)
}
else
{
- /* The number is too large. It is left implementation defined
- what happens. */
+ /* The number is too large. Unless it rounds to LLONG_MIN,
+ FE_INVALID must be raised and the return value is
+ unspecified. */
+#if defined FE_INVALID || defined FE_INEXACT
+ if (x < (long double) LLONG_MIN
+ && x > (long double) LLONG_MIN - 1.0L)
+ {
+ /* If truncation produces LLONG_MIN, the cast will not raise
+ the exception, but may raise "inexact". */
+ t = __nearbyintl (x);
+ feraiseexcept (t == LLONG_MIN ? FE_INEXACT : FE_INVALID);
+ return LLONG_MIN;
+ }
+#endif
return (long long int) x;
}
diff --git a/sysdeps/ieee754/ldbl-128/s_lrintl.c b/sysdeps/ieee754/ldbl-128/s_lrintl.c
index d0b0aeb5c9..cb5a75b8e0 100644
--- a/sysdeps/ieee754/ldbl-128/s_lrintl.c
+++ b/sysdeps/ieee754/ldbl-128/s_lrintl.c
@@ -19,6 +19,8 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
+#include <fenv.h>
+#include <limits.h>
#include <math.h>
#include <math_private.h>
@@ -49,8 +51,22 @@ __lrintl (long double x)
{
if (j0 < 48)
{
- w = two112[sx] + x;
- t = w - two112[sx];
+#if defined FE_INVALID || defined FE_INEXACT
+ /* X < LONG_MAX + 1 implied by J0 < 31. */
+ if (sizeof (long int) == 4
+ && x > (long double) LONG_MAX)
+ {
+ /* In the event of overflow we must raise the "invalid"
+ exception, but not "inexact". */
+ t = __nearbyintl (x);
+ feraiseexcept (t == LONG_MAX ? FE_INEXACT : FE_INVALID);
+ }
+ else
+#endif
+ {
+ w = two112[sx] + x;
+ t = w - two112[sx];
+ }
GET_LDOUBLE_WORDS64 (i0, i1, t);
j0 = ((i0 >> 48) & 0x7fff) - 0x3fff;
i0 &= 0x0000ffffffffffffLL;
@@ -62,8 +78,22 @@ __lrintl (long double x)
result = ((long int) i0 << (j0 - 48)) | (i1 << (j0 - 112));
else
{
- w = two112[sx] + x;
- t = w - two112[sx];
+#if defined FE_INVALID || defined FE_INEXACT
+ /* X < LONG_MAX + 1 implied by J0 < 63. */
+ if (sizeof (long int) == 8
+ && x > (long double) LONG_MAX)
+ {
+ /* In the event of overflow we must raise the "invalid"
+ exception, but not "inexact". */
+ t = __nearbyintl (x);
+ feraiseexcept (t == LONG_MAX ? FE_INEXACT : FE_INVALID);
+ }
+ else
+#endif
+ {
+ w = two112[sx] + x;
+ t = w - two112[sx];
+ }
GET_LDOUBLE_WORDS64 (i0, i1, t);
j0 = ((i0 >> 48) & 0x7fff) - 0x3fff;
i0 &= 0x0000ffffffffffffLL;
@@ -77,8 +107,20 @@ __lrintl (long double x)
}
else
{
- /* The number is too large. It is left implementation defined
- what happens. */
+ /* The number is too large. Unless it rounds to LONG_MIN,
+ FE_INVALID must be raised and the return value is
+ unspecified. */
+#if defined FE_INVALID || defined FE_INEXACT
+ if (x < (long double) LONG_MIN
+ && x > (long double) LONG_MIN - 1.0L)
+ {
+ /* If truncation produces LONG_MIN, the cast will not raise
+ the exception, but may raise "inexact". */
+ t = __nearbyintl (x);
+ feraiseexcept (t == LONG_MIN ? FE_INEXACT : FE_INVALID);
+ return LONG_MIN;
+ }
+#endif
return (long int) x;
}
diff --git a/sysdeps/ieee754/ldbl-96/s_llrintl.c b/sysdeps/ieee754/ldbl-96/s_llrintl.c
index c73741e53e..e3faa21b27 100644
--- a/sysdeps/ieee754/ldbl-96/s_llrintl.c
+++ b/sysdeps/ieee754/ldbl-96/s_llrintl.c
@@ -18,6 +18,8 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
+#include <fenv.h>
+#include <limits.h>
#include <math.h>
#include <math_private.h>
@@ -50,8 +52,21 @@ __llrintl (long double x)
result = (((long long int) i0 << 32) | i1) << (j0 - 63);
else
{
- w = two63[sx] + x;
- t = w - two63[sx];
+#if defined FE_INVALID || defined FE_INEXACT
+ /* X < LLONG_MAX + 1 implied by J0 < 63. */
+ if (x > (long double) LLONG_MAX)
+ {
+ /* In the event of overflow we must raise the "invalid"
+ exception, but not "inexact". */
+ t = __nearbyintl (x);
+ feraiseexcept (t == LLONG_MAX ? FE_INEXACT : FE_INVALID);
+ }
+ else
+#endif
+ {
+ w = two63[sx] + x;
+ t = w - two63[sx];
+ }
GET_LDOUBLE_WORDS (se, i0, i1, t);
j0 = (se & 0x7fff) - 0x3fff;
diff --git a/sysdeps/ieee754/ldbl-96/s_lrintl.c b/sysdeps/ieee754/ldbl-96/s_lrintl.c
index 598423b90b..4dd1993c91 100644
--- a/sysdeps/ieee754/ldbl-96/s_lrintl.c
+++ b/sysdeps/ieee754/ldbl-96/s_lrintl.c
@@ -18,6 +18,8 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
+#include <fenv.h>
+#include <limits.h>
#include <math.h>
#include <math_private.h>
@@ -46,8 +48,22 @@ __lrintl (long double x)
if (j0 < 31)
{
- w = two63[sx] + x;
- t = w - two63[sx];
+#if defined FE_INVALID || defined FE_INEXACT
+ /* X < LONG_MAX + 1 implied by J0 < 31. */
+ if (sizeof (long int) == 4
+ && x > (long double) LONG_MAX)
+ {
+ /* In the event of overflow we must raise the "invalid"
+ exception, but not "inexact". */
+ t = __nearbyintl (x);
+ feraiseexcept (t == LONG_MAX ? FE_INEXACT : FE_INVALID);
+ }
+ else
+#endif
+ {
+ w = two63[sx] + x;
+ t = w - two63[sx];
+ }
GET_LDOUBLE_WORDS (se, i0, i1, t);
j0 = (se & 0x7fff) - 0x3fff;
@@ -59,8 +75,22 @@ __lrintl (long double x)
result = ((long int) i0 << (j0 - 31)) | (i1 << (j0 - 63));
else
{
- w = two63[sx] + x;
- t = w - two63[sx];
+#if defined FE_INVALID || defined FE_INEXACT
+ /* X < LONG_MAX + 1 implied by J0 < 63. */
+ if (sizeof (long int) == 8
+ && x > (long double) LONG_MAX)
+ {
+ /* In the event of overflow we must raise the "invalid"
+ exception, but not "inexact". */
+ t = __nearbyintl (x);
+ feraiseexcept (t == LONG_MAX ? FE_INEXACT : FE_INVALID);
+ }
+ else
+#endif
+ {
+ w = two63[sx] + x;
+ t = w - two63[sx];
+ }
GET_LDOUBLE_WORDS (se, i0, i1, t);
j0 = (se & 0x7fff) - 0x3fff;
@@ -72,8 +102,21 @@ __lrintl (long double x)
}
else
{
- /* The number is too large. It is left implementation defined
- what happens. */
+ /* The number is too large. Unless it rounds to LONG_MIN,
+ FE_INVALID must be raised and the return value is
+ unspecified. */
+#if defined FE_INVALID || defined FE_INEXACT
+ if (sizeof (long int) == 4
+ && x < (long double) LONG_MIN
+ && x > (long double) LONG_MIN - 1.0L)
+ {
+ /* If truncation produces LONG_MIN, the cast will not raise
+ the exception, but may raise "inexact". */
+ t = __nearbyintl (x);
+ feraiseexcept (t == LONG_MIN ? FE_INEXACT : FE_INVALID);
+ return LONG_MIN;
+ }
+#endif
return (long int) x;
}
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