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1a84c3d6d4
Bug 16564 is spurious overflow of log1pl (LDBL_MAX) in FE_UPWARD mode, resulting from log1pl adding 1 to its argument (for arguments not close to 0), which overflows in that mode. This patch fixes this by avoiding adding 1 to large arguments (precisely what counts as large depends on the floating-point format). Tested x86_64 and x86, and spot-checked log1pl tests on mips64 and powerpc64. [BZ #16564] * sysdeps/i386/fpu/s_log1pl.S (__log1pl): Do not add 1 to positive arguments with exponent 65 or above. * sysdeps/ieee754/ldbl-128/s_log1pl.c (__log1pl): Do not add 1 to arguments 0x1p113L or above. * sysdeps/ieee754/ldbl-128ibm/s_log1pl.c (__log1pl): Do not add 1 to arguments 0x1p107L or above. * sysdeps/x86_64/fpu/s_log1pl.S (__log1pl): Do not add 1 to positive arguments with exponent 65 or above. * math/auto-libm-test-in: Add more tests of log1p. * math/auto-libm-test-out: Regenerated. |
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| .. | ||
| e_acoshl.c | ||
| e_acosl.c | ||
| e_asinl.c | ||
| e_atan2l.c | ||
| e_atanhl.c | ||
| e_coshl.c | ||
| e_exp10l.c | ||
| e_expl.c | ||
| e_fmodl.c | ||
| e_gammal_r.c | ||
| e_hypotl.c | ||
| e_ilogbl.c | ||
| e_j0l.c | ||
| e_j1l.c | ||
| e_jnl.c | ||
| e_lgammal_r.c | ||
| e_log2l.c | ||
| e_log10l.c | ||
| e_logl.c | ||
| e_powl.c | ||
| e_rem_pio2l.c | ||
| e_remainderl.c | ||
| e_sinhl.c | ||
| e_sqrtl.c | ||
| gamma_productl.c | ||
| ieee754.h | ||
| k_cosl.c | ||
| k_sincosl.c | ||
| k_sinl.c | ||
| k_tanl.c | ||
| ldbl2mpn.c | ||
| Makefile | ||
| math_ldbl.h | ||
| mpn2ldbl.c | ||
| printf_fphex.c | ||
| s_asinhl.c | ||
| s_atanl.c | ||
| s_cbrtl.c | ||
| s_ceill.c | ||
| s_copysignl.c | ||
| s_cosl.c | ||
| s_cprojl.c | ||
| s_ctanhl.c | ||
| s_ctanl.c | ||
| s_erfl.c | ||
| s_expm1l.c | ||
| s_fabsl.c | ||
| s_finitel.c | ||
| s_floorl.c | ||
| s_fmal.c | ||
| s_fpclassifyl.c | ||
| s_frexpl.c | ||
| s_isinf_nsl.c | ||
| s_isinfl.c | ||
| s_isnanl.c | ||
| s_issignalingl.c | ||
| s_llrintl.c | ||
| s_llroundl.c | ||
| s_log1pl.c | ||
| s_logbl.c | ||
| s_lrintl.c | ||
| s_lroundl.c | ||
| s_modfl.c | ||
| s_nearbyintl.c | ||
| s_nextafterl.c | ||
| s_nexttoward.c | ||
| s_nexttowardf.c | ||
| s_remquol.c | ||
| s_rintl.c | ||
| s_roundl.c | ||
| s_scalblnl.c | ||
| s_scalbnl.c | ||
| s_signbitl.c | ||
| s_sincosl.c | ||
| s_sinl.c | ||
| s_tanhl.c | ||
| s_tanl.c | ||
| s_truncl.c | ||
| strtold_l.c | ||
| t_sincosl.c | ||
| w_expl.c | ||
| x2y2m1l.c | ||