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This patch continues cleaning up math_private.h by moving the
math_check_force_underflow set of macros to a separate header
math-underflow.h.
This header is included by the files that need it rather than from
math_private.h. Moving these macros to a separate file removes the
math_private.h uses of macros from float.h, so the inclusion of
float.h in math_private.h is also removed; files that were depending
on that inclusion are fixed to include float.h directly. The
inclusion of math-barriers.h from math_private.h will be removed in a
separate patch.
Tested for x86_64 and x86. Also tested with build-many-glibcs.py that
installed stripped shared libraries are unchanged by this patch.
* math/math-underflow.h: New file.
* sysdeps/generic/math_private.h: Do not include <float.h>.
(fabs_tg): Remove macro. Moved to math-underflow.h.
(min_of_type_f): Likewise.
(min_of_type_): Likewise.
(min_of_type_l): Likewise.
(min_of_type_f128): Likewise.
(min_of_type): Likewise.
(math_check_force_underflow): Likewise.
(math_check_force_underflow_nonneg): Likewise.
(math_check_force_underflow_complex): Likewise.
* math/e_exp2_template.c: Include <math-underflow.h>.
* math/k_casinh_template.c: Likewise.
* math/s_catan_template.c: Likewise.
* math/s_catanh_template.c: Likewise.
* math/s_ccosh_template.c: Likewise.
* math/s_cexp_template.c: Likewise.
* math/s_clog10_template.c: Likewise.
* math/s_clog_template.c: Likewise.
* math/s_csin_template.c: Likewise.
* math/s_csinh_template.c: Likewise.
* math/s_csqrt_template.c: Likewise.
* math/s_ctan_template.c: Likewise.
* math/s_ctanh_template.c: Likewise.
* sysdeps/ieee754/dbl-64/e_asin.c: Likewise.
* sysdeps/ieee754/dbl-64/e_atanh.c: Likewise.
* sysdeps/ieee754/dbl-64/e_exp2.c: Likewise.
* sysdeps/ieee754/dbl-64/e_gamma_r.c: Likewise.
* sysdeps/ieee754/dbl-64/e_hypot.c: Likewise.
* sysdeps/ieee754/dbl-64/e_j1.c: Likewise.
* sysdeps/ieee754/dbl-64/e_jn.c: Likewise.
* sysdeps/ieee754/dbl-64/e_pow.c: Likewise.
* sysdeps/ieee754/dbl-64/e_sinh.c: Likewise.
* sysdeps/ieee754/dbl-64/s_asinh.c: Likewise.
* sysdeps/ieee754/dbl-64/s_atan.c: Likewise.
* sysdeps/ieee754/dbl-64/s_erf.c: Likewise.
* sysdeps/ieee754/dbl-64/s_expm1.c: Likewise.
* sysdeps/ieee754/dbl-64/s_log1p.c: Likewise.
* sysdeps/ieee754/dbl-64/s_sin.c: Likewise.
* sysdeps/ieee754/dbl-64/s_sincos.c: Likewise.
* sysdeps/ieee754/dbl-64/s_tan.c: Likewise.
* sysdeps/ieee754/dbl-64/s_tanh.c: Likewise.
* sysdeps/ieee754/flt-32/e_asinf.c: Likewise.
* sysdeps/ieee754/flt-32/e_atanhf.c: Likewise.
* sysdeps/ieee754/flt-32/e_gammaf_r.c: Likewise.
* sysdeps/ieee754/flt-32/e_j1f.c: Likewise.
* sysdeps/ieee754/flt-32/e_jnf.c: Likewise.
* sysdeps/ieee754/flt-32/e_sinhf.c: Likewise.
* sysdeps/ieee754/flt-32/k_sinf.c: Likewise.
* sysdeps/ieee754/flt-32/k_tanf.c: Likewise.
* sysdeps/ieee754/flt-32/s_asinhf.c: Likewise.
* sysdeps/ieee754/flt-32/s_atanf.c: Likewise.
* sysdeps/ieee754/flt-32/s_erff.c: Likewise.
* sysdeps/ieee754/flt-32/s_expm1f.c: Likewise.
* sysdeps/ieee754/flt-32/s_log1pf.c: Likewise.
* sysdeps/ieee754/flt-32/s_tanhf.c: Likewise.
* sysdeps/ieee754/ldbl-128/e_asinl.c: Likewise.
* sysdeps/ieee754/ldbl-128/e_atanhl.c: Likewise.
* sysdeps/ieee754/ldbl-128/e_expl.c: Likewise.
* sysdeps/ieee754/ldbl-128/e_gammal_r.c: Likewise.
* sysdeps/ieee754/ldbl-128/e_hypotl.c: Likewise.
* sysdeps/ieee754/ldbl-128/e_j1l.c: Likewise.
* sysdeps/ieee754/ldbl-128/e_jnl.c: Likewise.
* sysdeps/ieee754/ldbl-128/e_sinhl.c: Likewise.
* sysdeps/ieee754/ldbl-128/k_sincosl.c: Likewise.
* sysdeps/ieee754/ldbl-128/k_sinl.c: Likewise.
* sysdeps/ieee754/ldbl-128/k_tanl.c: Likewise.
* sysdeps/ieee754/ldbl-128/s_asinhl.c: Likewise.
* sysdeps/ieee754/ldbl-128/s_atanl.c: Likewise.
* sysdeps/ieee754/ldbl-128/s_erfl.c: Likewise.
* sysdeps/ieee754/ldbl-128/s_expm1l.c: Likewise.
* sysdeps/ieee754/ldbl-128/s_log1pl.c: Likewise.
* sysdeps/ieee754/ldbl-128/s_tanhl.c: Likewise.
* sysdeps/ieee754/ldbl-128ibm/e_asinl.c: Likewise.
* sysdeps/ieee754/ldbl-128ibm/e_atanhl.c: Likewise.
* sysdeps/ieee754/ldbl-128ibm/e_gammal_r.c: Likewise.
* sysdeps/ieee754/ldbl-128ibm/e_hypotl.c: Likewise.
* sysdeps/ieee754/ldbl-128ibm/e_j1l.c: Likewise.
* sysdeps/ieee754/ldbl-128ibm/e_jnl.c: Likewise.
* sysdeps/ieee754/ldbl-128ibm/e_powl.c: Likewise.
* sysdeps/ieee754/ldbl-128ibm/e_sinhl.c: Likewise.
* sysdeps/ieee754/ldbl-128ibm/k_sincosl.c: Likewise.
* sysdeps/ieee754/ldbl-128ibm/k_sinl.c: Likewise.
* sysdeps/ieee754/ldbl-128ibm/k_tanl.c: Likewise.
* sysdeps/ieee754/ldbl-128ibm/s_asinhl.c: Likewise.
* sysdeps/ieee754/ldbl-128ibm/s_atanl.c: Likewise.
* sysdeps/ieee754/ldbl-128ibm/s_erfl.c: Likewise.
* sysdeps/ieee754/ldbl-128ibm/s_fmal.c: Likewise.
* sysdeps/ieee754/ldbl-128ibm/s_tanhl.c: Likewise.
* sysdeps/ieee754/ldbl-96/e_asinl.c: Likewise.
* sysdeps/ieee754/ldbl-96/e_atanhl.c: Likewise.
* sysdeps/ieee754/ldbl-96/e_gammal_r.c: Likewise.
* sysdeps/ieee754/ldbl-96/e_hypotl.c: Likewise.
* sysdeps/ieee754/ldbl-96/e_j1l.c: Likewise.
* sysdeps/ieee754/ldbl-96/e_jnl.c: Likewise.
* sysdeps/ieee754/ldbl-96/e_sinhl.c: Likewise.
* sysdeps/ieee754/ldbl-96/k_sinl.c: Likewise.
* sysdeps/ieee754/ldbl-96/k_tanl.c: Likewise.
* sysdeps/ieee754/ldbl-96/s_asinhl.c: Likewise.
* sysdeps/ieee754/ldbl-96/s_erfl.c: Likewise.
* sysdeps/ieee754/ldbl-96/s_tanhl.c: Likewise.
* sysdeps/powerpc/fpu/e_hypot.c: Likewise.
* sysdeps/x86/fpu/powl_helper.c: Likewise.
* sysdeps/ieee754/dbl-64/s_nextup.c: Include <float.h>.
* sysdeps/ieee754/flt-32/s_nextupf.c: Likewise.
* sysdeps/ieee754/ldbl-128/s_nextupl.c: Likewise.
* sysdeps/ieee754/ldbl-128ibm/s_nextupl.c: Likewise.
* sysdeps/ieee754/ldbl-96/s_nextupl.c: Likewise.
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This patch makes ldbl-128 functions use libm_alias_ldouble to define
function aliases. float128_private.h is updated accordingly. Most of
the ldbl-64-128 wrappers are removed as no longer needed with this
change (leaving those that involve versioning for functions in libc or
that shouldn't be exported from libm for _Float128 / _Float64x types
with the same format as long double).
Tested for x86_64, and tested with build-many-glibcs.py that installed
stripped shared libraries are unchanged by this patch.
* sysdeps/ieee754/float128/float128_private.h: Include
<libm-alias-ldouble.h> and <libm-alias-float128.h>.
(libm_alias_ldouble_r): Undefine and redefine.
* sysdeps/ieee754/ldbl-128/s_asinhl.c: Include
<libm-alias-ldouble.h>.
(asinhl): Define using libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_atanl.c: Include
<libm-alias-ldouble.h>.
(atanl): Define using libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_cbrtl.c: Include
<libm-alias-ldouble.h>.
(cbrtl): Define using libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_ceill.c: Include
<libm-alias-ldouble.h>.
(ceill): Define using libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_copysignl.c: Include
<libm-alias-ldouble.h>.
(copysignl): Define using libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_cosl.c: Include
<libm-alias-ldouble.h>.
(cosl): Define using libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_erfl.c: Include
<libm-alias-ldouble.h>.
(erfl): Define using libm_alias_ldouble.
(erfcl): Likewise.
* sysdeps/ieee754/ldbl-128/s_expm1l.c: Include
<libm-alias-ldouble.h>.
(expm1l): Define using libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_fabsl.c: Include
<libm-alias-ldouble.h>.
(fabsl): Define using libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_floorl.c: Include
<libm-alias-ldouble.h>.
(floorl): Define using libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_fmal.c: Include
<libm-alias-ldouble.h>.
(fmal): Define using libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_frexpl.c: Include
<libm-alias-ldouble.h>.
(frexpl): Define using libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_fromfpl.c (fromfpl): Define using
libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_fromfpl_main.c: Include
<libm-alias-ldouble.h>.
* sysdeps/ieee754/ldbl-128/s_fromfpxl.c (fromfpxl): Define using
libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_getpayloadl.c: Include
<libm-alias-ldouble.h>.
(getpayloadl): Define using libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_llrintl.c: Include
<libm-alias-ldouble.h>.
(llrintl): Define using libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_llroundl.c: Include
<libm-alias-ldouble.h>.
(llroundl): Define using libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_logbl.c: Include
<libm-alias-ldouble.h>.
(logbl): Define using libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_lrintl.c: Include
<libm-alias-ldouble.h>.
(lrintl): Define using libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_lroundl.c: Include
<libm-alias-ldouble.h>.
(lroundl): Define using libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_modfl.c: Include
<libm-alias-ldouble.h>.
(modfl): Define using libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_nearbyintl.c: Include
<libm-alias-ldouble.h>.
(nearbyintl): Define using libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_nextafterl.c: Include
<libm-alias-ldouble.h>.
(nextafterl): Define using libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_nextupl.c: Include
<libm-alias-ldouble.h>.
(nextupl): Define using libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_remquol.c: Include
<libm-alias-ldouble.h>.
(remquol): Define using libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_rintl.c: Include
<libm-alias-ldouble.h>.
(rintl): Define using libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_roundevenl.c: Include
<libm-alias-ldouble.h>.
(roundevenl): Define using libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_roundl.c: Include
<libm-alias-ldouble.h>.
(roundl): Define using libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_setpayloadl.c (setpayloadl): Define
using libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_setpayloadl_main.c: Include
<libm-alias-ldouble.h>.
* sysdeps/ieee754/ldbl-128/s_setpayloadsigl.c (setpayloadsigl):
Define using libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_sincosl.c: Include
<libm-alias-ldouble.h>.
(sincosl): Define using libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_sinl.c: Include
<libm-alias-ldouble.h>.
(sinl): Define using libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_tanhl.c: Include
<libm-alias-ldouble.h>.
(tanhl): Define using libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_tanl.c: Include
<libm-alias-ldouble.h>.
(tanl): Define using libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_totalorderl.c: Include
<libm-alias-ldouble.h>.
(totalorderl): Define using libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_totalordermagl.c: Include
<libm-alias-ldouble.h>.
(totalordermagl): Define using libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_truncl.c: Include
<libm-alias-ldouble.h>.
(truncl): Define using libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_ufromfpl.c (ufromfpl): Define using
libm_alias_ldouble.
* sysdeps/ieee754/ldbl-128/s_ufromfpxl.c (ufromfpxl): Define using
libm_alias_ldouble.
* sysdeps/ieee754/ldbl-64-128/s_copysignl.c: Include
<libm-alias-ldouble.h>.
(weak_alias): Do not undefine and redefine.
[IS_IN (libc)] (libm_alias_ldouble): Undefine and redefine.
(copysignl): Define with long_double_symbol only if [IS_IN
(libc)].
* sysdeps/ieee754/ldbl-64-128/s_frexpl.c: Include
<libm-alias-ldouble.h>.
(weak_alias): Do not undefine and redefine.
[IS_IN (libc)] (libm_alias_ldouble): Undefine and redefine.
(frexpl): Define with long_double_symbol only if [IS_IN (libc)].
* sysdeps/ieee754/ldbl-64-128/s_modfl.c: Include
<libm-alias-ldouble.h>.
(weak_alias): Do not undefine and redefine.
[IS_IN (libc)] (libm_alias_ldouble): Undefine and redefine.
(modfl): Define with long_double_symbol only if [IS_IN (libc)].
* sysdeps/ieee754/ldbl-64-128/s_asinhl.c: Remove file.
* sysdeps/ieee754/ldbl-64-128/s_atanl.c: Likewise.
* sysdeps/ieee754/ldbl-64-128/s_cbrtl.c: Likewise.
* sysdeps/ieee754/ldbl-64-128/s_ceill.c: Likewise.
* sysdeps/ieee754/ldbl-64-128/s_cosl.c: Likewise.
* sysdeps/ieee754/ldbl-64-128/s_erfl.c: Likewise.
* sysdeps/ieee754/ldbl-64-128/s_expm1l.c: Likewise.
* sysdeps/ieee754/ldbl-64-128/s_fabsl.c: Likewise.
* sysdeps/ieee754/ldbl-64-128/s_floorl.c: Likewise.
* sysdeps/ieee754/ldbl-64-128/s_fmal.c: Likewise.
* sysdeps/ieee754/ldbl-64-128/s_llrintl.c: Likewise.
* sysdeps/ieee754/ldbl-64-128/s_llroundl.c: Likewise.
* sysdeps/ieee754/ldbl-64-128/s_logbl.c: Likewise.
* sysdeps/ieee754/ldbl-64-128/s_lrintl.c: Likewise.
* sysdeps/ieee754/ldbl-64-128/s_lroundl.c: Likewise.
* sysdeps/ieee754/ldbl-64-128/s_nearbyintl.c: Likewise.
* sysdeps/ieee754/ldbl-64-128/s_remquol.c: Likewise.
* sysdeps/ieee754/ldbl-64-128/s_rintl.c: Likewise.
* sysdeps/ieee754/ldbl-64-128/s_roundl.c: Likewise.
* sysdeps/ieee754/ldbl-64-128/s_sincosl.c: Likewise.
* sysdeps/ieee754/ldbl-64-128/s_sinl.c: Likewise.
* sysdeps/ieee754/ldbl-64-128/s_tanhl.c: Likewise.
* sysdeps/ieee754/ldbl-64-128/s_tanl.c: Likewise.
* sysdeps/ieee754/ldbl-64-128/s_truncl.c: Likewise.
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This patch changes libm code to make consistent use of C99 uintN_t
types instead of sometimes using those and sometimes using the older
nonstandard u_intN_t names. This makes sense as a cleanup in its own
right, and also facilitates merges to GCC's libquadmath (which gets
the types from stdint.h and so may not have u_intN_t available at
all).
Tested for x86_64, and with build-many-glibcs.py.
* math/s_nextafter.c (__nextafter): Use uintN_t instead of
u_intN_t.
* math/s_nexttowardf.c (__nexttowardf): Likewise.
* sysdeps/generic/math_private.h (ieee_double_shape_type):
Likewise.
(ieee_float_shape_type): Likewise.
* sysdeps/i386/fpu/s_fpclassifyl.c (__fpclassifyl): Likewise.
* sysdeps/i386/fpu/s_isnanl.c (__isnanl): Likewise.
* sysdeps/i386/fpu/s_nextafterl.c (__nextafterl): Likewise.
* sysdeps/i386/fpu/s_nexttoward.c (__nexttoward): Likewise.
* sysdeps/i386/fpu/s_nexttowardf.c (__nexttowardf): Likewise.
* sysdeps/ieee754/dbl-64/e_acosh.c (__ieee754_acosh): Likewise.
* sysdeps/ieee754/dbl-64/e_cosh.c (__ieee754_cosh): Likewise.
* sysdeps/ieee754/dbl-64/e_fmod.c (__ieee754_fmod): Likewise.
* sysdeps/ieee754/dbl-64/e_gamma_r.c (__ieee754_gamma_r):
Likewise.
* sysdeps/ieee754/dbl-64/e_hypot.c (__ieee754_hypot): Likewise.
* sysdeps/ieee754/dbl-64/e_jn.c (__ieee754_jn): Likewise.
(__ieee754_yn): Likewise.
* sysdeps/ieee754/dbl-64/e_log10.c (__ieee754_log10): Likewise.
* sysdeps/ieee754/dbl-64/e_log2.c (__ieee754_log2): Likewise.
* sysdeps/ieee754/dbl-64/e_rem_pio2.c (__ieee754_rem_pio2):
Likewise.
* sysdeps/ieee754/dbl-64/e_sinh.c (__ieee754_sinh): Likewise.
* sysdeps/ieee754/dbl-64/s_ceil.c (__ceil): Likewise.
* sysdeps/ieee754/dbl-64/s_copysign.c (__copysign): Likewise.
* sysdeps/ieee754/dbl-64/s_erf.c (__erf): Likewise.
(__erfc): Likewise.
* sysdeps/ieee754/dbl-64/s_expm1.c (__expm1): Likewise.
* sysdeps/ieee754/dbl-64/s_finite.c (FINITE): Likewise.
* sysdeps/ieee754/dbl-64/s_floor.c (__floor): Likewise.
* sysdeps/ieee754/dbl-64/s_fpclassify.c (__fpclassify): Likewise.
* sysdeps/ieee754/dbl-64/s_isnan.c (__isnan): Likewise.
* sysdeps/ieee754/dbl-64/s_issignaling.c (__issignaling):
Likewise.
* sysdeps/ieee754/dbl-64/s_llrint.c (__llrint): Likewise.
* sysdeps/ieee754/dbl-64/s_llround.c (__llround): Likewise.
* sysdeps/ieee754/dbl-64/s_lrint.c (__lrint): Likewise.
* sysdeps/ieee754/dbl-64/s_lround.c (__lround): Likewise.
* sysdeps/ieee754/dbl-64/s_modf.c (__modf): Likewise.
* sysdeps/ieee754/dbl-64/s_nextup.c (__nextup): Likewise.
* sysdeps/ieee754/dbl-64/s_remquo.c (__remquo): Likewise.
* sysdeps/ieee754/dbl-64/s_round.c (__round): Likewise.
* sysdeps/ieee754/dbl-64/s_trunc.c (__trunc): Likewise.
* sysdeps/ieee754/dbl-64/wordsize-64/s_issignaling.c
(__issignaling): Likewise.
* sysdeps/ieee754/flt-32/e_atan2f.c (__ieee754_atan2f): Likewise.
* sysdeps/ieee754/flt-32/e_fmodf.c (__ieee754_fmodf): Likewise.
* sysdeps/ieee754/flt-32/e_gammaf_r.c (__ieee754_gammaf_r):
Likewise.
* sysdeps/ieee754/flt-32/e_jnf.c (__ieee754_ynf): Likewise.
* sysdeps/ieee754/flt-32/e_log10f.c (__ieee754_log10f): Likewise.
* sysdeps/ieee754/flt-32/e_powf.c (__ieee754_powf): Likewise.
* sysdeps/ieee754/flt-32/e_rem_pio2f.c (__ieee754_rem_pio2f):
Likewise.
* sysdeps/ieee754/flt-32/e_remainderf.c (__ieee754_remainderf):
Likewise.
* sysdeps/ieee754/flt-32/e_sqrtf.c (__ieee754_sqrtf): Likewise.
* sysdeps/ieee754/flt-32/s_ceilf.c (__ceilf): Likewise.
* sysdeps/ieee754/flt-32/s_copysignf.c (__copysignf): Likewise.
* sysdeps/ieee754/flt-32/s_erff.c (__erff): Likewise.
(__erfcf): Likewise.
* sysdeps/ieee754/flt-32/s_expm1f.c (__expm1f): Likewise.
* sysdeps/ieee754/flt-32/s_finitef.c (FINITEF): Likewise.
* sysdeps/ieee754/flt-32/s_floorf.c (__floorf): Likewise.
* sysdeps/ieee754/flt-32/s_fpclassifyf.c (__fpclassifyf):
Likewise.
* sysdeps/ieee754/flt-32/s_isnanf.c (__isnanf): Likewise.
* sysdeps/ieee754/flt-32/s_issignalingf.c (__issignalingf):
Likewise.
* sysdeps/ieee754/flt-32/s_llrintf.c (__llrintf): Likewise.
* sysdeps/ieee754/flt-32/s_llroundf.c (__llroundf): Likewise.
* sysdeps/ieee754/flt-32/s_lrintf.c (__lrintf): Likewise.
* sysdeps/ieee754/flt-32/s_lroundf.c (__lroundf): Likewise.
* sysdeps/ieee754/flt-32/s_modff.c (__modff): Likewise.
* sysdeps/ieee754/flt-32/s_remquof.c (__remquof): Likewise.
* sysdeps/ieee754/flt-32/s_roundf.c (__roundf): Likewise.
* sysdeps/ieee754/ldbl-128/e_acoshl.c (__ieee754_acoshl):
Likewise.
* sysdeps/ieee754/ldbl-128/e_atan2l.c (__ieee754_atan2l):
Likewise.
* sysdeps/ieee754/ldbl-128/e_atanhl.c (__ieee754_atanhl):
Likewise.
* sysdeps/ieee754/ldbl-128/e_fmodl.c (__ieee754_fmodl): Likewise.
* sysdeps/ieee754/ldbl-128/e_gammal_r.c (__ieee754_gammal_r):
Likewise.
* sysdeps/ieee754/ldbl-128/e_hypotl.c (__ieee754_hypotl):
Likewise.
* sysdeps/ieee754/ldbl-128/e_jnl.c (__ieee754_jnl): Likewise.
(__ieee754_ynl): Likewise.
* sysdeps/ieee754/ldbl-128/e_powl.c (__ieee754_powl): Likewise.
* sysdeps/ieee754/ldbl-128/e_rem_pio2l.c (__ieee754_rem_pio2l):
Likewise.
* sysdeps/ieee754/ldbl-128/e_remainderl.c (__ieee754_remainderl):
Likewise.
* sysdeps/ieee754/ldbl-128/e_sinhl.c (__ieee754_sinhl): Likewise.
* sysdeps/ieee754/ldbl-128/k_cosl.c (__kernel_cosl): Likewise.
* sysdeps/ieee754/ldbl-128/k_sincosl.c (__kernel_sincosl):
Likewise.
* sysdeps/ieee754/ldbl-128/k_sinl.c (__kernel_sinl): Likewise.
* sysdeps/ieee754/ldbl-128/s_ceill.c (__ceill): Likewise.
* sysdeps/ieee754/ldbl-128/s_copysignl.c (__copysignl): Likewise.
* sysdeps/ieee754/ldbl-128/s_erfl.c (__erfcl): Likewise.
* sysdeps/ieee754/ldbl-128/s_fabsl.c (__fabsl): Likewise.
* sysdeps/ieee754/ldbl-128/s_finitel.c (__finitel): Likewise.
* sysdeps/ieee754/ldbl-128/s_floorl.c (__floorl): Likewise.
* sysdeps/ieee754/ldbl-128/s_fpclassifyl.c (__fpclassifyl):
Likewise.
* sysdeps/ieee754/ldbl-128/s_frexpl.c (__frexpl): Likewise.
* sysdeps/ieee754/ldbl-128/s_isnanl.c (__isnanl): Likewise.
* sysdeps/ieee754/ldbl-128/s_issignalingl.c (__issignalingl):
Likewise.
* sysdeps/ieee754/ldbl-128/s_llrintl.c (__llrintl): Likewise.
* sysdeps/ieee754/ldbl-128/s_llroundl.c (__llroundl): Likewise.
* sysdeps/ieee754/ldbl-128/s_lrintl.c (__lrintl): Likewise.
* sysdeps/ieee754/ldbl-128/s_lroundl.c (__lroundl): Likewise.
* sysdeps/ieee754/ldbl-128/s_modfl.c (__modfl): Likewise.
* sysdeps/ieee754/ldbl-128/s_nearbyintl.c (__nearbyintl):
Likewise.
* sysdeps/ieee754/ldbl-128/s_nextafterl.c (__nextafterl):
Likewise.
* sysdeps/ieee754/ldbl-128/s_nexttoward.c (__nexttoward):
Likewise.
* sysdeps/ieee754/ldbl-128/s_nexttowardf.c (__nexttowardf):
Likewise.
* sysdeps/ieee754/ldbl-128/s_nextupl.c (__nextupl): Likewise.
* sysdeps/ieee754/ldbl-128/s_remquol.c (__remquol): Likewise.
* sysdeps/ieee754/ldbl-128/s_rintl.c (__rintl): Likewise.
* sysdeps/ieee754/ldbl-128/s_roundl.c (__roundl): Likewise.
* sysdeps/ieee754/ldbl-128/s_tanhl.c (__tanhl): Likewise.
* sysdeps/ieee754/ldbl-128/s_truncl.c (__truncl): Likewise.
* sysdeps/ieee754/ldbl-128ibm/e_fmodl.c (__ieee754_fmodl):
Likewise.
* sysdeps/ieee754/ldbl-128ibm/e_gammal_r.c (__ieee754_gammal_r):
Likewise.
* sysdeps/ieee754/ldbl-128ibm/e_powl.c (__ieee754_powl): Likewise.
* sysdeps/ieee754/ldbl-128ibm/e_rem_pio2l.c (__ieee754_rem_pio2l):
Likewise.
* sysdeps/ieee754/ldbl-128ibm/e_remainderl.c
(__ieee754_remainderl): Likewise.
* sysdeps/ieee754/ldbl-128ibm/k_cosl.c (__kernel_cosl): Likewise.
* sysdeps/ieee754/ldbl-128ibm/k_sinl.c (__kernel_sinl): Likewise.
* sysdeps/ieee754/ldbl-128ibm/s_fabsl.c (__fabsl): Likewise.
* sysdeps/ieee754/ldbl-128ibm/s_fpclassifyl.c (___fpclassifyl):
Likewise.
* sysdeps/ieee754/ldbl-128ibm/s_modfl.c (__modfl): Likewise.
* sysdeps/ieee754/ldbl-128ibm/s_nexttowardf.c (__nexttowardf):
Likewise.
* sysdeps/ieee754/ldbl-128ibm/s_remquol.c (__remquol): Likewise.
* sysdeps/ieee754/ldbl-96/e_acoshl.c (__ieee754_acoshl): Likewise.
* sysdeps/ieee754/ldbl-96/e_asinl.c (__ieee754_asinl): Likewise.
* sysdeps/ieee754/ldbl-96/e_atanhl.c (__ieee754_atanhl): Likewise.
* sysdeps/ieee754/ldbl-96/e_coshl.c (__ieee754_coshl): Likewise.
* sysdeps/ieee754/ldbl-96/e_gammal_r.c (__ieee754_gammal_r):
Likewise.
* sysdeps/ieee754/ldbl-96/e_hypotl.c (__ieee754_hypotl): Likewise.
* sysdeps/ieee754/ldbl-96/e_j0l.c (__ieee754_j0l): Likewise.
(__ieee754_y0l): Likewise.
(pzero): Likewise.
(qzero): Likewise.
* sysdeps/ieee754/ldbl-96/e_j1l.c (__ieee754_j1l): Likewise.
(__ieee754_y1l): Likewise.
(pone): Likewise.
(qone): Likewise.
* sysdeps/ieee754/ldbl-96/e_jnl.c (__ieee754_jnl): Likewise.
(__ieee754_ynl): Likewise.
* sysdeps/ieee754/ldbl-96/e_lgammal_r.c (sin_pi): Likewise.
(__ieee754_lgammal_r): Likewise.
* sysdeps/ieee754/ldbl-96/e_rem_pio2l.c (__ieee754_rem_pio2l):
Likewise.
* sysdeps/ieee754/ldbl-96/e_sinhl.c (__ieee754_sinhl): Likewise.
* sysdeps/ieee754/ldbl-96/s_copysignl.c (__copysignl): Likewise.
* sysdeps/ieee754/ldbl-96/s_erfl.c (__erfl): Likewise.
(__erfcl): Likewise.
* sysdeps/ieee754/ldbl-96/s_frexpl.c (__frexpl): Likewise.
* sysdeps/ieee754/ldbl-96/s_issignalingl.c (__issignalingl):
Likewise.
* sysdeps/ieee754/ldbl-96/s_llrintl.c (__llrintl): Likewise.
* sysdeps/ieee754/ldbl-96/s_llroundl.c (__llroundl): Likewise.
* sysdeps/ieee754/ldbl-96/s_lrintl.c (__lrintl): Likewise.
* sysdeps/ieee754/ldbl-96/s_lroundl.c (__lroundl): Likewise.
* sysdeps/ieee754/ldbl-96/s_modfl.c (__modfl): Likewise.
* sysdeps/ieee754/ldbl-96/s_nexttoward.c (__nexttoward): Likewise.
* sysdeps/ieee754/ldbl-96/s_nexttowardf.c (__nexttowardf):
Likewise.
* sysdeps/ieee754/ldbl-96/s_nextupl.c (__nextupl): Likewise.
* sysdeps/ieee754/ldbl-96/s_remquol.c (__remquol): Likewise.
* sysdeps/ieee754/ldbl-96/s_roundl.c (__roundl): Likewise.
* sysdeps/ieee754/ldbl-96/s_tanhl.c (__tanhl): Likewise.
* sysdeps/ieee754/ldbl-opt/s_nexttowardfd.c (__nldbl_nexttowardf):
Likewise.
* sysdeps/m68k/m680x0/fpu/e_pow.c (s(__ieee754_pow)): Likewise.
* sysdeps/m68k/m680x0/fpu/s_fpclassifyl.c (__fpclassifyl):
Likewise.
* sysdeps/m68k/m680x0/fpu/s_llrint.c (__llrint): Likewise.
* sysdeps/m68k/m680x0/fpu/s_llrintf.c (__llrintf): Likewise.
* sysdeps/m68k/m680x0/fpu/s_llrintl.c (__llrintl): Likewise.
* sysdeps/m68k/m680x0/fpu/s_nextafterl.c (__nextafterl): Likewise.
* sysdeps/x86/fpu/powl_helper.c (__powl_helper): Likewise.
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This runs the attached sed script against these files using
a regex which aggressively matches long double literals
when not obviously part of a comment.
Likewise, 5 digit or less integral constants are replaced
with integer constants, excepting the two cases of 0 used
in large tables, which are also the only integral values
of the form x.0*E0L encountered within these converted
files.
Likewise, -L(x) is transformed into L(-x).
Naturally, the script has a few minor hiccups which are
more clearly remedied via the attached fixup patch. Such
hiccups include, context-sensitive promotion to a real
type, and munging constants inside harder to detect
comment blocks.
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Add a layer of macro indirection for long double files
which need to be built using another typename. Likewise,
add the L(num) macro used in a later patch to override
real constants.
These macros are only defined through the ldbl-128
math_ldbl.h header, thereby implicitly restricting
these macros to machines which back long double
with an IEEE binary128 format.
Likewise, appropriate changes are made for the few
files which indirectly include such ldbl-128 files.
These changes produce identical binaries for s390x,
aarch64, and ppc64.
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Various floating-point functions have code to force underflow
exceptions if a tiny result was computed in a way that might not have
resulted in such exceptions even though the result is inexact. This
typically uses math_force_eval to ensure that the underflowing
expression is evaluated, but sometimes uses volatile.
This patch refactors such code to use three new macros
math_check_force_underflow, math_check_force_underflow_nonneg and
math_check_force_underflow_complex (which in turn use
math_force_eval). In the limited number of cases not suited to a
simple conversion to these macros, existing uses of volatile are
changed to use math_force_eval instead. The converted code does not
always execute exactly the same sequence of operations as the original
code, but the overall effects should be the same.
Tested for x86_64, x86, mips64 and powerpc.
* sysdeps/generic/math_private.h (fabs_tg): New macro.
(min_of_type): Likewise.
(math_check_force_underflow): Likewise.
(math_check_force_underflow_nonneg): Likewise.
(math_check_force_underflow_complex): Likewise.
* math/e_exp2l.c (__ieee754_exp2l): Use
math_check_force_underflow_nonneg.
* math/k_casinh.c (__kernel_casinh): Likewise.
* math/k_casinhf.c (__kernel_casinhf): Likewise.
* math/k_casinhl.c (__kernel_casinhl): Likewise.
* math/s_catan.c (__catan): Use
math_check_force_underflow_complex.
* math/s_catanf.c (__catanf): Likewise.
* math/s_catanh.c (__catanh): Likewise.
* math/s_catanhf.c (__catanhf): Likewise.
* math/s_catanhl.c (__catanhl): Likewise.
* math/s_catanl.c (__catanl): Likewise.
* math/s_ccosh.c (__ccosh): Likewise.
* math/s_ccoshf.c (__ccoshf): Likewise.
* math/s_ccoshl.c (__ccoshl): Likewise.
* math/s_cexp.c (__cexp): Likewise.
* math/s_cexpf.c (__cexpf): Likewise.
* math/s_cexpl.c (__cexpl): Likewise.
* math/s_clog.c (__clog): Use math_check_force_underflow_nonneg.
* math/s_clog10.c (__clog10): Likewise.
* math/s_clog10f.c (__clog10f): Likewise.
* math/s_clog10l.c (__clog10l): Likewise.
* math/s_clogf.c (__clogf): Likewise.
* math/s_clogl.c (__clogl): Likewise.
* math/s_csin.c (__csin): Use math_check_force_underflow_complex.
* math/s_csinf.c (__csinf): Likewise.
* math/s_csinh.c (__csinh): Likewise.
* math/s_csinhf.c (__csinhf): Likewise.
* math/s_csinhl.c (__csinhl): Likewise.
* math/s_csinl.c (__csinl): Likewise.
* math/s_csqrt.c (__csqrt): Use math_check_force_underflow.
* math/s_csqrtf.c (__csqrtf): Likewise.
* math/s_csqrtl.c (__csqrtl): Likewise.
* math/s_ctan.c (__ctan): Use math_check_force_underflow_complex.
* math/s_ctanf.c (__ctanf): Likewise.
* math/s_ctanh.c (__ctanh): Likewise.
* math/s_ctanhf.c (__ctanhf): Likewise.
* math/s_ctanhl.c (__ctanhl): Likewise.
* math/s_ctanl.c (__ctanl): Likewise.
* stdlib/strtod_l.c (round_and_return): Use math_force_eval
instead of volatile.
* sysdeps/ieee754/dbl-64/e_asin.c (__ieee754_asin): Use
math_check_force_underflow.
* sysdeps/ieee754/dbl-64/e_atanh.c (__ieee754_atanh): Likewise.
* sysdeps/ieee754/dbl-64/e_exp.c (__ieee754_exp): Do not use
volatile when forcing underflow.
* sysdeps/ieee754/dbl-64/e_exp2.c (__ieee754_exp2): Use
math_check_force_underflow_nonneg.
* sysdeps/ieee754/dbl-64/e_gamma_r.c (__ieee754_gamma_r):
Likewise.
* sysdeps/ieee754/dbl-64/e_j1.c (__ieee754_j1): Use
math_check_force_underflow.
* sysdeps/ieee754/dbl-64/e_jn.c (__ieee754_jn): Likewise.
* sysdeps/ieee754/dbl-64/e_sinh.c (__ieee754_sinh): Likewise.
* sysdeps/ieee754/dbl-64/s_asinh.c (__asinh): Likewise.
* sysdeps/ieee754/dbl-64/s_atan.c (atan): Use
math_check_force_underflow_nonneg.
* sysdeps/ieee754/dbl-64/s_erf.c (__erf): Use
math_check_force_underflow.
* sysdeps/ieee754/dbl-64/s_expm1.c (__expm1): Likewise.
* sysdeps/ieee754/dbl-64/s_fma.c (__fma): Use math_force_eval
instead of volatile.
* sysdeps/ieee754/dbl-64/s_log1p.c (__log1p): Use
math_check_force_underflow.
* sysdeps/ieee754/dbl-64/s_sin.c (__sin): Likewise.
* sysdeps/ieee754/dbl-64/s_tan.c (tan): Use
math_check_force_underflow_nonneg.
* sysdeps/ieee754/dbl-64/s_tanh.c (__tanh): Use
math_check_force_underflow.
* sysdeps/ieee754/flt-32/e_asinf.c (__ieee754_asinf): Likewise.
* sysdeps/ieee754/flt-32/e_atanhf.c (__ieee754_atanhf): Likewise.
* sysdeps/ieee754/flt-32/e_exp2f.c (__ieee754_exp2f): Use
math_check_force_underflow_nonneg.
* sysdeps/ieee754/flt-32/e_gammaf_r.c (__ieee754_gammaf_r):
Likewise.
* sysdeps/ieee754/flt-32/e_j1f.c (__ieee754_j1f): Use
math_check_force_underflow.
* sysdeps/ieee754/flt-32/e_jnf.c (__ieee754_jnf): Likewise.
* sysdeps/ieee754/flt-32/e_sinhf.c (__ieee754_sinhf): Likewise.
* sysdeps/ieee754/flt-32/k_sinf.c (__kernel_sinf): Likewise.
* sysdeps/ieee754/flt-32/k_tanf.c (__kernel_tanf): Likewise.
* sysdeps/ieee754/flt-32/s_asinhf.c (__asinhf): Likewise.
* sysdeps/ieee754/flt-32/s_atanf.c (__atanf): Likewise.
* sysdeps/ieee754/flt-32/s_erff.c (__erff): Likewise.
* sysdeps/ieee754/flt-32/s_expm1f.c (__expm1f): Likewise.
* sysdeps/ieee754/flt-32/s_log1pf.c (__log1pf): Likewise.
* sysdeps/ieee754/flt-32/s_tanhf.c (__tanhf): Likewise.
* sysdeps/ieee754/ldbl-128/e_asinl.c (__ieee754_asinl): Likewise.
* sysdeps/ieee754/ldbl-128/e_atanhl.c (__ieee754_atanhl):
Likewise.
* sysdeps/ieee754/ldbl-128/e_expl.c (__ieee754_expl): Use
math_check_force_underflow_nonneg.
* sysdeps/ieee754/ldbl-128/e_gammal_r.c (__ieee754_gammal_r):
Likewise.
* sysdeps/ieee754/ldbl-128/e_j1l.c (__ieee754_j1l): Use
math_check_force_underflow.
* sysdeps/ieee754/ldbl-128/e_jnl.c (__ieee754_jnl): Likewise.
* sysdeps/ieee754/ldbl-128/e_sinhl.c (__ieee754_sinhl): Likewise.
* sysdeps/ieee754/ldbl-128/k_sincosl.c (__kernel_sincosl):
Likewise.
* sysdeps/ieee754/ldbl-128/k_sinl.c (__kernel_sinl): Likewise.
* sysdeps/ieee754/ldbl-128/k_tanl.c (__kernel_tanl): Likewise.
* sysdeps/ieee754/ldbl-128/s_asinhl.c (__asinhl): Likewise.
* sysdeps/ieee754/ldbl-128/s_atanl.c (__atanl): Likewise.
* sysdeps/ieee754/ldbl-128/s_erfl.c (__erfl): Likewise.
* sysdeps/ieee754/ldbl-128/s_expm1l.c (__expm1l): Likewise.
* sysdeps/ieee754/ldbl-128/s_fmal.c (__fmal): Use math_force_eval
instead of volatile.
* sysdeps/ieee754/ldbl-128/s_log1pl.c (__log1pl): Use
math_check_force_underflow.
* sysdeps/ieee754/ldbl-128/s_tanhl.c (__tanhl): Likewise.
* sysdeps/ieee754/ldbl-128ibm/e_asinl.c (__ieee754_asinl): Use
math_check_force_underflow.
* sysdeps/ieee754/ldbl-128ibm/e_atanhl.c (__ieee754_atanhl):
Likewise.
* sysdeps/ieee754/ldbl-128ibm/e_gammal_r.c (__ieee754_gammal_r):
Use math_check_force_underflow_nonneg.
* sysdeps/ieee754/ldbl-128ibm/e_jnl.c (__ieee754_jnl): Use
math_check_force_underflow.
* sysdeps/ieee754/ldbl-128ibm/e_sinhl.c (__ieee754_sinhl):
Likewise.
* sysdeps/ieee754/ldbl-128ibm/k_sincosl.c (__kernel_sincosl):
Likewise.
* sysdeps/ieee754/ldbl-128ibm/k_sinl.c (__kernel_sinl): Likewise.
* sysdeps/ieee754/ldbl-128ibm/k_tanl.c (__kernel_tanl): Likewise.
* sysdeps/ieee754/ldbl-128ibm/s_asinhl.c (__asinhl): Likewise.
* sysdeps/ieee754/ldbl-128ibm/s_atanl.c (__atanl): Likewise.
* sysdeps/ieee754/ldbl-128ibm/s_erfl.c (__erfl): Likewise.
* sysdeps/ieee754/ldbl-128ibm/s_tanhl.c (__tanhl): Likewise.
* sysdeps/ieee754/ldbl-96/e_asinl.c (__ieee754_asinl): Likewise.
* sysdeps/ieee754/ldbl-96/e_atanhl.c (__ieee754_atanhl): Likewise.
* sysdeps/ieee754/ldbl-96/e_gammal_r.c (__ieee754_gammal_r): Use
math_check_force_underflow_nonneg.
* sysdeps/ieee754/ldbl-96/e_j1l.c (__ieee754_j1l): Use
math_check_force_underflow.
* sysdeps/ieee754/ldbl-96/e_jnl.c (__ieee754_jnl): Likewise.
* sysdeps/ieee754/ldbl-96/e_sinhl.c (__ieee754_sinhl): Likewise.
* sysdeps/ieee754/ldbl-96/k_sinl.c (__kernel_sinl): Likewise.
* sysdeps/ieee754/ldbl-96/k_tanl.c (__kernel_tanl): Use
math_check_force_underflow_nonneg.
* sysdeps/ieee754/ldbl-96/s_asinhl.c (__asinhl): Use
math_check_force_underflow.
* sysdeps/ieee754/ldbl-96/s_erfl.c (__erfl): Likewise.
* sysdeps/ieee754/ldbl-96/s_fmal.c (__fmal): Use math_force_eval
instead of volatile.
* sysdeps/ieee754/ldbl-96/s_tanhl.c (__tanhl): Use
math_check_force_underflow.
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2015-09-18 Wilco Dijkstra <wdijkstr@arm.com>
* resolv/base64.c (rcsid): Remove unused static.
* sysdeps/ieee754/dbl-64/atnat2.h (qpi1): Remove unused
static. (tqpi1): Likewise.
* sysdeps/ieee754/dbl-64/uexp.h (one): Likewise.
* sysdeps/ieee754/dbl-64/upow.h (sqrt_2): Likewise.
* sysdeps/ieee754/flt-32/e_log10f.c (one): Likewise.
* sysdeps/ieee754/flt-32/s_cosf.c (one): Likewise.
* sysdeps/ieee754/ldbl-128/e_lgammal_r.c (zero): Likewise.
* sysdeps/ieee754/ldbl-128/s_erfl.c (half): Likewise.
* sysdeps/ieee754/ldbl-128/s_log1pl.c (maxlog): Likewise.
* timezone/private.h (time_t_min): Likewise. (time_t_max):
Likewise.
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The ldbl-128 and ldbl-128ibm implementations of erfcl produce
uninitialized variable warnings with -Wuninitialized because of switch
statements where in fact one of the cases will always be executed, but
the compiler does not see that these cases cover all possibilities
(and because the reasoning that it does involves inequalities on the
representation of a floating point value leading to a set of possible
values for 8.0 times that value, converted to int, it's highly
nontrivial for the compiler to see that). This patch fixes those
warnings by converting the last case in those switch statements to a
"default" case.
Tested for powerpc and mips64.
* sysdeps/ieee754/ldbl-128/s_erfl.c (__erfcl): Make case 9 in
switch statement into default case.
* sysdeps/ieee754/ldbl-128ibm/s_erfl.c (__erfcl): Likewise.
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This patch fixes bug 16287, spurious underflows from ldbl-128 erfl
arising from it calling erfcl for arguments with absolute value at
least 1.0, although for large positive arguments erfcl correctly
underflows but erfl shouldn't. The fix is simply to avoid calling
erfcl, and just return 1, for arguments above a cut-off large enough
that erfl correctly rounds to-nearest as 1 but not so large that erfcl
underflows.
Tested mips64. Also tested x86_64 and x86 to confirm the new tests
(taken from the tests of erfc) don't cause any problems there; no ulps
updates needed.
[BZ #16287]
* sysdeps/ieee754/ldbl-128/s_erfl.c (__erfl): Return 1 without
calling __erfcl for arguments at least 16.
* math/auto-libm-test-in: Add more tests of erf.
* math/auto-libm-test-out: Regenerated.
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Bug 16516 reports spurious underflows from erf (for all floating-point
types), when the result is close to underflowing but does not actually
underflow.
erf (x) is about (2/sqrt(pi))*x for x close to 0, so there are
subnormal arguments for which it does not underflow. The various
implementations do (x + efx*x) (for efx = 2/sqrt(pi) - 1), for greater
accuracy than if just using a single multiplication by an
approximation to 2/sqrt(pi) (effectively, this way there are a few
more bits in the approximation to 2/sqrt(pi)). This can introduce
underflows when efx*x underflows even though the final result does
not, so a scaled calculation with 8*efx is done in these cases - but 8
is not a big enough scale factor to avoid all such underflows. 16 is
(any underflows with a scale factor of 16 would only occur when the
final result underflows), so this patch changes the code to use that
factor. Rather than recomputing all the values of the efx8 variable,
it is removed, leaving it to the compiler's constant folding to
compute 16*efx. As such scaling can also lose underflows when the
final scaling down happens to be exact, appropriate checks are added
to ensure underflow exceptions occur when required in such cases.
Tested x86_64 and x86; no ulps updates needed. Also spot-checked for
powerpc32 and mips64 to verify the changes to the ldbl-128ibm and
ldbl-128 implementations.
[BZ #16516]
* sysdeps/ieee754/dbl-64/s_erf.c (efx8): Remove variable.
(__erf): Scale by 16 instead of 8 in potentially underflowing
case. Ensure exception if result actually underflows.
* sysdeps/ieee754/flt-32/s_erff.c (efx8): Remove variable.
(__erff): Scale by 16 instead of 8 in potentially underflowing
case. Ensure exception if result actually underflows.
* sysdeps/ieee754/ldbl-128/s_erfl.c: Include <float.h>.
(efx8): Remove variable.
(__erfl): Scale by 16 instead of 8 in potentially underflowing
case. Ensure exception if result actually underflows.
* sysdeps/ieee754/ldbl-128ibm/s_erfl.c: Include <float.h>.
(efx8): Remove variable.
(__erfl): Scale by 16 instead of 8 in potentially underflowing
case. Ensure exception if result actually underflows.
* sysdeps/ieee754/ldbl-96/s_erfl.c: Include <float.h>.
(efx8): Remove variable.
(__erfl): Scale by 16 instead of 8 in potentially underflowing
case. Ensure exception if result actually underflows.
* math/auto-libm-test-in: Add more tests of erf.
* math/auto-libm-test-out: Regenerated.
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Entire tree edited via find | grep | sed.
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wording at request of copyright holder Stephen Moshier.
* sysdeps/ieee754/ldbl-128/e_acosl.c: Likewise.
* sysdeps/ieee754/ldbl-128/e_asinl.c: Likewise.
* sysdeps/ieee754/ldbl-128/e_coshl.c: Likewise.
* sysdeps/ieee754/ldbl-128/e_jnl.c: Likewise.
* sysdeps/ieee754/ldbl-128/e_powl.c: Likewise.
* sysdeps/ieee754/ldbl-128/e_sinhl.c: Likewise.
* sysdeps/ieee754/ldbl-128/k_tanl.c: Likewise.
* sysdeps/ieee754/ldbl-128/s_erfl.c: Likewise.
* sysdeps/ieee754/ldbl-96/e_asinl.c: Likewise.
* sysdeps/ieee754/ldbl-96/e_j0l.c: Likewise.
* sysdeps/ieee754/ldbl-96/e_j1l.c: Likewise.
* sysdeps/ieee754/ldbl-96/e_jnl.c: Likewise.
* sysdeps/ieee754/ldbl-96/e_lgammal_r.c: Likewise.
* sysdeps/ieee754/ldbl-96/s_erfl.c: Likewise.
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* crypt/crypt.c: Changed copying permission notice to Lesser GPL
from Library GPL.
* crypt/crypt_util.c: Likewise.
* crypt/ufc.c: Likewise.
* elf/dl-conflict.c: Likewise.
* elf/dl-iteratephdr.c: Likewise.
* iconv/iconvconfig.h: Likewise.
* linuxthreads/Examples/ex10.c: Likewise.
* linuxthreads/Examples/ex11.c: Likewise.
* linuxthreads/Examples/ex13.c: Likewise.
* linuxthreads/Examples/ex8.c: Likewise.
* linuxthreads/Examples/ex9.c: Likewise.
* linuxthreads/barrier.c: Likewise.
* linuxthreads/events.c: Likewise.
* linuxthreads/lockfile.c: Likewise.
* linuxthreads/no-tsd.c: Likewise.
* linuxthreads/pt-machine.c: Likewise.
* linuxthreads/ptclock_gettime.c: Likewise.
* linuxthreads/ptclock_settime.c: Likewise.
* linuxthreads/rwlock.c: Likewise.
* linuxthreads/sysdeps/alpha/pspinlock.c: Likewise.
* linuxthreads/sysdeps/alpha/pt-machine.h: Likewise.
* linuxthreads/sysdeps/arm/pspinlock.c: Likewise.
* linuxthreads/sysdeps/arm/pt-machine.h: Likewise.
* linuxthreads/sysdeps/cris/pspinlock.c: Likewise.
* linuxthreads/sysdeps/cris/pt-machine.h: Likewise.
* linuxthreads/sysdeps/hppa/pspinlock.c: Likewise.
* linuxthreads/sysdeps/hppa/pt-machine.h: Likewise.
* linuxthreads/sysdeps/i386/i686/pt-machine.h: Likewise.
* linuxthreads/sysdeps/i386/pspinlock.c: Likewise.
* linuxthreads/sysdeps/i386/pt-machine.h: Likewise.
* linuxthreads/sysdeps/i386/useldt.h: Likewise.
* linuxthreads/sysdeps/ia64/pspinlock.c: Likewise.
* linuxthreads/sysdeps/ia64/pt-machine.h: Likewise.
* linuxthreads/sysdeps/m68k/pspinlock.c: Likewise.
* linuxthreads/sysdeps/m68k/pt-machine.h: Likewise.
* linuxthreads/sysdeps/mips/pspinlock.c: Likewise.
* linuxthreads/sysdeps/mips/pt-machine.h: Likewise.
* linuxthreads/sysdeps/powerpc/pspinlock.c: Likewise.
* linuxthreads/sysdeps/powerpc/pt-machine.h: Likewise.
* linuxthreads/sysdeps/pthread/bits/initspin.h: Likewise.
* linuxthreads/sysdeps/pthread/bits/libc-lock.h: Likewise.
* linuxthreads/sysdeps/pthread/bits/libc-tsd.h: Likewise.
* linuxthreads/sysdeps/pthread/getcpuclockid.c: Likewise.
* linuxthreads/sysdeps/pthread/posix-timer.h: Likewise.
* linuxthreads/sysdeps/pthread/timer_create.c: Likewise.
* linuxthreads/sysdeps/pthread/timer_delete.c: Likewise.
* linuxthreads/sysdeps/pthread/timer_getoverr.c: Likewise.
* linuxthreads/sysdeps/pthread/timer_gettime.c: Likewise.
* linuxthreads/sysdeps/pthread/timer_routines.c: Likewise.
* linuxthreads/sysdeps/pthread/timer_settime.c: Likewise.
* linuxthreads/sysdeps/pthread/tst-timer.c: Likewise.
* linuxthreads/sysdeps/s390/pspinlock.c: Likewise.
* linuxthreads/sysdeps/s390/s390-32/pt-machine.h: Likewise.
* linuxthreads/sysdeps/s390/s390-64/pt-machine.h: Likewise.
* linuxthreads/sysdeps/sh/pspinlock.c: Likewise.
* linuxthreads/sysdeps/sh/pt-machine.h: Likewise.
* linuxthreads/sysdeps/sparc/sparc32/pspinlock.c: Likewise.
* linuxthreads/sysdeps/sparc/sparc32/pt-machine.h: Likewise.
* linuxthreads/sysdeps/sparc/sparc32/sparcv9/pspinlock.c: Likewise.
* linuxthreads/sysdeps/sparc/sparc64/pspinlock.c: Likewise.
* linuxthreads/sysdeps/sparc/sparc64/pt-machine.h: Likewise.
* linuxthreads/sysdeps/unix/sysv/linux/bits/local_lim.h: Likewise.
* linuxthreads/sysdeps/unix/sysv/linux/bits/posix_opt.h: Likewise.
* linuxthreads/sysdeps/unix/sysv/linux/bits/sigthread.h: Likewise.
* linuxthreads/sysdeps/unix/sysv/linux/hppa/bits/initspin.h: Likewise.
* linuxthreads/sysdeps/unix/sysv/linux/i386/bits/posix_opt.h: Likewise.
* linuxthreads/tststack.c: Likewise.
* linuxthreads/unload.c: Likewise.
* linuxthreads/weaks.c: Likewise.
* linuxthreads/wrapsyscall.c: Likewise.
* malloc/arena.c: Likewise.
* malloc/hooks.c: Likewise.
* malloc/malloc.c: Likewise.
* posix/glob/Makefile.ami: Likewise.
* posix/glob/Makefile.in: Likewise.
* stdlib/gmp-impl.h: Likewise.
* stdlib/gmp.h: Likewise.
* sysdeps/generic/dl-iteratephdr-static.c: Likewise.
* sysdeps/generic/strnlen.c: Likewise.
* sysdeps/mach/hurd/powerpc/bits/sigcontext.h: Likewise.
* sysdeps/mach/hurd/recvmsg.c: Likewise.
* sysdeps/mach/hurd/sendmsg.c: Likewise.
* sysdeps/mach/hurd/spawni.c: Likewise.
* sysdeps/mach/powerpc/machine-sp.h: Likewise.
* sysdeps/mach/powerpc/sysdep.h: Likewise.
* sysdeps/mach/powerpc/thread_state.h: Likewise.
* sysdeps/unix/bsd/bsd4.4/bits/socket.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/dl-iteratephdr-static.c: Likewise.
* sysdeps/x86_64/gmp-mparam.h: Likewise.
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2002-07-03 Jakub Jelinek <jakub@redhat.com>
* stdio-common/printf_fp.c (__printf_fp.c): If _FPIO_CONST_SHIFT is
non-zero, adjust exponent.
* sysdeps/ieee754/ldbl-128/s_erfl.c (__erfl, erfl, __erfcl, erfcl):
Remove NO_LONG_DOUBLE aliases.
* sysdeps/ieee754/ldbl-128/s_expm1l.c (__expm1l, expm1l): Likewise.
* sysdeps/ieee754/ldbl-128/s_log1pl.c (__log1pl, log1pl): Likewise.
(__log1pl): Raise divide by zero and invalid exceptions when needed.
* sysdeps/ieee754/ldbl-128/e_powl.c (__ieee754_powl): Special case
1**y and -1**+-Inf.
* sysdeps/ieee754/ldbl-128/ldbl2mpn.c (__mpn_extract_long_double):
Fix BITS_PER_MP_LIMB 32 extraction.
* sysdeps/ieee754/ldbl-128/e_log2l.c (__ieee754_log2l): Don't raise
exceptions for qNaNs.
* sysdeps/ieee754/ldbl-128/e_log10l.c (__ieee754_log10l): Likewise.
* sysdeps/ieee754/ldbl-128/e_lgammal_r.c (__ieee754_lgamma_r):
Raise exceptions when needed. Don't recurse unnecessarily.
Special case 1.0L and 2.0L arguments to avoid -0.0L as result.
* sysdeps/ieee754/ldbl-128/e_j0l.c (__ieee754_y0l): Don't raise
exceptions for qNaNs.
* sysdeps/ieee754/ldbl-128/s_remquol.c (__remquol): Make qs 64-bit
to fix *quo return value sign.
* sysdeps/ieee754/ldbl-128/e_gammal_r.c (__ieee754_gamma_r): Special
case -Inf argument.
* soft-fp/op-4.h (_FP_FRAC_CLZ_4): Fix a pasto.
2002-07-01 Jakub Jelinek <jakub@redhat.com>
* libio/tst-eof.c (do_test): Remove unused ch and tm variables.
* iconvdata/iso-2022-jp-3.c (EMIT_SHIFT_TO_INIT): Kill warnings if
-DNDEBUG.
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2001-11-26 Stephen L Moshier <moshier@mediaone.net>
* sysdeps/ieee754/ldbl-128/e_log10l.c (L102B): Fix typo in
initialization.
* sysdeps/ieee754/ldbl-128/e_coshl.c (__ieee754_coshl): Remove
unused variables. Fix threshold for returning 1.0.
* sysdeps/ieee754/ldbl-128/e_lgammal_r.c (neval, deval): Constify
argument.
* sysdeps/ieee754/ldbl-128/s_erfl.c (neval, deval): Likewise, and
remove unused variables.
* sysdeps/ieee754/ldbl-128/e_j0l.c (neval, deval): Likewise.
* sysdeps/ieee754/ldbl-128/e_j1l.c (neval, deval): Likewise, and
include local math header files.
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2001-10-14 Ulrich Drepper <drepper@redhat.com>
* locale/programs/ld-collate.c (handle_ellipsis): Use %lX not %lx
to generate hexadecimal identifier.
Patch by Jungshik Shin <jungshik.shin@yale.edu>.
2001-10-09 Stephen L Moshier <moshier@mediaone.net>
* sysdeps/ieee754/ldbl-96/s_cbrtl.c (__cbrtl): Fix algorithm.
2001-10-14 Ulrich Drepper <drepper@redhat.com>
* sysdeps/ieee754/ldbl-128/e_powl.c: New file.
* sysdeps/ieee754/ldbl-128/s_cbrtl.c: New file.
Contributed by Stephen L Moshier <moshier@mediaone.net>.
* sysdeps/ieee754/ldbl-128/e_j0l.c: Constify float variables.
* sysdeps/ieee754/ldbl-128/e_j1l.c: Likewise.
* sysdeps/ieee754/ldbl-128/e_lgammal_r.c: Likewise
* sysdeps/ieee754/ldbl-128/s_erfl.c: Likewise
* sysdeps/ieee754/ldbl-128/s_expm1l.c: Likewise
* sysdeps/ieee754/ldbl-128/s_log1pl.c: Likewise
* timezone/africa: Update from tzdata2001d.
* timezone/asia: Likewise.
* timezone/australasia: Likewise.
* timezone/backward: Likewise.
* timezone/europe: Likewise.
* timezone/leapseconds: Likewise.
* timezone/northamerica: Likewise.
* timezone/southamerica: Likewise.
* timezone/zone.tab: Likewise.
2001-10-09 Martin Schwidefsky <schwidefsky@de.ibm.com>
* sysdeps/s390/s390-32/sys/ucontext.h: Correct __psw_t typedef.
* sysdeps/s390/s390-64/sys/ucontext.h: Likewise.
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2001-09-29 Jes Sorensen <jes@trained-monkey.org>
* sysdeps/unix/sysv/linux/ia64/bits/sigcontext.h (struct sigcontext):
Add sc_loadrs and sc_rbs_bas to match current kernel.
2001-09-27 Jakub Jelinek <jakub@redhat.com>
* sysdeps/sparc/sparc64/fpu/libm-test-ulps: Update.
* sysdeps/ieee754/ldbl-128/s_erfl.c (__erfcl): Fix erfc(-inf).
2001-09-27 Jakub Jelinek <jakub@redhat.com>
* elf/dl-open.c (dl_open_worker): If l_opencount of freshly loaded
object has been bumped because of relocation dependency, avoid
duplicates in l_scope.
(show_scope): Fix typos.
* elf/Makefile: Add rules to build and run reldep6.
* elf/reldep6.c: New file.
* elf/reldep6mod0.c: New file.
* elf/reldep6mod1.c: New file.
* elf/reldep6mod2.c: New file.
* elf/reldep6mod3.c: New file.
* elf/reldep6mod4.c: New file.
2001-09-26 Jakub Jelinek <jakub@redhat.com>
* sysdeps/sparc/sparc64/dl-machine.h (elf_machine_fixup_plt): Call
sparc64_fixup_plt.
(sparc64_fixup_plt): Moved from elf_machine_fixup_plt. Optimize
near jumps and 0xfffff800XXXXXXXX target addresses, no thread safety
for non-lazy binding. Fix .plt[32768+] handling.
(elf_machine_plt_value): Don't add addend.
(elf_machine_rela): Call sparc64_fixup_plt instead of
elf_machine_fixup_plt.
(elf_machine_runtime_setup, TRAMPOLINE_TEMPLATE): Optimize for
dynamic linker at 0xfffff800XXXXXXXX.
* sysdeps/sparc/sparc32/fpu/libm-test-ulps: Update.
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