diff options
| -rw-r--r-- | ChangeLog | 9 | ||||
| -rw-r--r-- | math/auto-libm-test-in | 1 | ||||
| -rw-r--r-- | math/auto-libm-test-out | 25 | ||||
| -rw-r--r-- | sysdeps/ieee754/ldbl-128/e_expl.c | 2 | ||||
| -rw-r--r-- | sysdeps/s390/fpu/libm-test-ulps | 3 |
5 files changed, 39 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog index ad91d4f953..5e820f7e99 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,12 @@ +2014-02-11 Stefan Liebler <stli@linux.vnet.ibm.com> + + [BZ #16447] + * math/auto-libm-test-in: Add testcase for expl. + * math/auto-libm-test-out: Regenerate. + * sysdeps/ieee754/ldbl-128/e_expl.c (__ieee754_expl): Fix + calculation of unsafe. + * sysdeps/s390/fpu/libm-test-ulps: Adjust ULPs for added testcase. + 2014-02-11 Marcus Shawcroft <marcus.shawcroft@arm.com> * sysdeps/aarch64: Move directory from ports/sysdeps/aarch64. diff --git a/math/auto-libm-test-in b/math/auto-libm-test-in index b919dbcc12..c620361613 100644 --- a/math/auto-libm-test-in +++ b/math/auto-libm-test-in @@ -725,6 +725,7 @@ exp max xfail-rounding:dbl-64 xfail-rounding:ldbl-128ibm exp -7.4444006192138124e+02 exp -0x1.75f113c30b1c8p+9 exp -max +exp -11342.8125 exp10 0 exp10 -0 diff --git a/math/auto-libm-test-out b/math/auto-libm-test-out index 8955e18853..93818e8d49 100644 --- a/math/auto-libm-test-out +++ b/math/auto-libm-test-out @@ -62149,6 +62149,31 @@ exp -max = exp tonearest ldbl-128ibm -0xf.ffffffffffffbffffffffffffcp+1020L : 0x0p+0L : inexact-ok underflow errno-erange = exp towardzero ldbl-128ibm -0xf.ffffffffffffbffffffffffffcp+1020L : 0x0p+0L : inexact-ok underflow errno-erange = exp upward ldbl-128ibm -0xf.ffffffffffffbffffffffffffcp+1020L : 0x4p-1076L : inexact-ok underflow errno-erange-ok +exp -11342.8125 += exp downward flt-32 -0x2.c4edp+12f : 0x0p+0f : inexact-ok underflow errno-erange += exp tonearest flt-32 -0x2.c4edp+12f : 0x0p+0f : inexact-ok underflow errno-erange += exp towardzero flt-32 -0x2.c4edp+12f : 0x0p+0f : inexact-ok underflow errno-erange += exp upward flt-32 -0x2.c4edp+12f : 0x8p-152f : inexact-ok underflow errno-erange-ok += exp downward dbl-64 -0x2.c4edp+12 : 0x0p+0 : inexact-ok underflow errno-erange += exp tonearest dbl-64 -0x2.c4edp+12 : 0x0p+0 : inexact-ok underflow errno-erange += exp towardzero dbl-64 -0x2.c4edp+12 : 0x0p+0 : inexact-ok underflow errno-erange += exp upward dbl-64 -0x2.c4edp+12 : 0x4p-1076 : inexact-ok underflow errno-erange-ok += exp downward ldbl-96-intel -0x2.c4edp+12L : 0xd.be48e2532594eccp-16368L : inexact-ok += exp tonearest ldbl-96-intel -0x2.c4edp+12L : 0xd.be48e2532594eccp-16368L : inexact-ok += exp towardzero ldbl-96-intel -0x2.c4edp+12L : 0xd.be48e2532594eccp-16368L : inexact-ok += exp upward ldbl-96-intel -0x2.c4edp+12L : 0xd.be48e2532594ecdp-16368L : inexact-ok += exp downward ldbl-96-m68k -0x2.c4edp+12L : 0xd.be48e2532594eccp-16368L : inexact-ok += exp tonearest ldbl-96-m68k -0x2.c4edp+12L : 0xd.be48e2532594eccp-16368L : inexact-ok += exp towardzero ldbl-96-m68k -0x2.c4edp+12L : 0xd.be48e2532594eccp-16368L : inexact-ok += exp upward ldbl-96-m68k -0x2.c4edp+12L : 0xd.be48e2532594ecdp-16368L : inexact-ok += exp downward ldbl-128 -0x2.c4edp+12L : 0xd.be48e2532594ecc1a3b8f7ce2038p-16368L : inexact-ok += exp tonearest ldbl-128 -0x2.c4edp+12L : 0xd.be48e2532594ecc1a3b8f7ce2038p-16368L : inexact-ok += exp towardzero ldbl-128 -0x2.c4edp+12L : 0xd.be48e2532594ecc1a3b8f7ce2038p-16368L : inexact-ok += exp upward ldbl-128 -0x2.c4edp+12L : 0xd.be48e2532594ecc1a3b8f7ce204p-16368L : inexact-ok += exp downward ldbl-128ibm -0x2.c4edp+12L : 0x0p+0L : inexact-ok underflow errno-erange += exp tonearest ldbl-128ibm -0x2.c4edp+12L : 0x0p+0L : inexact-ok underflow errno-erange += exp towardzero ldbl-128ibm -0x2.c4edp+12L : 0x0p+0L : inexact-ok underflow errno-erange += exp upward ldbl-128ibm -0x2.c4edp+12L : 0x4p-1076L : inexact-ok underflow errno-erange-ok exp10 0 = exp10 downward flt-32 0x0p+0f : 0x1p+0f : inexact-ok = exp10 tonearest flt-32 0x0p+0f : 0x1p+0f : inexact-ok diff --git a/sysdeps/ieee754/ldbl-128/e_expl.c b/sysdeps/ieee754/ldbl-128/e_expl.c index 8259758cff..ae2604eaed 100644 --- a/sysdeps/ieee754/ldbl-128/e_expl.c +++ b/sysdeps/ieee754/ldbl-128/e_expl.c @@ -181,7 +181,7 @@ __ieee754_expl (long double x) * __expl_table[T_EXPL_RES2 + tval2]; n_i = (int)n; /* 'unsafe' is 1 iff n_1 != 0. */ - unsafe = abs(n_i) >= -LDBL_MIN_EXP - 1; + unsafe = abs(n_i) >= 15000; ex2_u.ieee.exponent += n_i >> unsafe; /* Compute scale = 2^n_1. */ diff --git a/sysdeps/s390/fpu/libm-test-ulps b/sysdeps/s390/fpu/libm-test-ulps index 786720dbe1..bd423f031c 100644 --- a/sysdeps/s390/fpu/libm-test-ulps +++ b/sysdeps/s390/fpu/libm-test-ulps @@ -13374,6 +13374,9 @@ double: 1 idouble: 1 # exp_upward +Test "exp_upward (-0x2.c4edp+12)": +double: 1 +idouble: 1 Test "exp_upward (-0x2.e870a4p+8)": double: 1 idouble: 1 |