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46d2e49c49
Various type-generic libm wrapper templates, as used for float128, set errno but do not include errno.h. I presume they must get an implicit include from some internal header on powerpc64le; they don't get such an implicit include on x86_64. This patch adds the missing includes of errno.h to each such wrapper. Tested for x86_64 (in conjunction with float128 patches). * math/w_acos_template.c [__USE_WRAPPER_TEMPLATE]: Include <errno.h>. * math/w_acosh_template.c [__USE_WRAPPER_TEMPLATE]: Likewise. * math/w_asin_template.c [__USE_WRAPPER_TEMPLATE]: Likewise. * math/w_atanh_template.c [__USE_WRAPPER_TEMPLATE]: Likewise. * math/w_cosh_template.c [__USE_WRAPPER_TEMPLATE]: Likewise. * math/w_exp10_template.c [__USE_WRAPPER_TEMPLATE]: Likewise. * math/w_exp2_template.c [__USE_WRAPPER_TEMPLATE]: Likewise. * math/w_exp_template.c [__USE_WRAPPER_TEMPLATE]: Likewise. * math/w_fmod_template.c [__USE_WRAPPER_TEMPLATE]: Likewise. * math/w_hypot_template.c [__USE_WRAPPER_TEMPLATE]: Likewise. * math/w_j0_template.c [__USE_WRAPPER_TEMPLATE]: Likewise. * math/w_j1_template.c [__USE_WRAPPER_TEMPLATE]: Likewise. * math/w_jn_template.c [__USE_WRAPPER_TEMPLATE]: Likewise. * math/w_lgamma_r_template.c [__USE_WRAPPER_TEMPLATE]: Likewise. * math/w_lgamma_template.c [__USE_WRAPPER_TEMPLATE]: Likewise. * math/w_log10_template.c [__USE_WRAPPER_TEMPLATE]: Likewise. * math/w_log2_template.c [__USE_WRAPPER_TEMPLATE]: Likewise. * math/w_log_template.c [__USE_WRAPPER_TEMPLATE]: Likewise. * math/w_pow_template.c [__USE_WRAPPER_TEMPLATE]: Likewise. * math/w_remainder_template.c [__USE_WRAPPER_TEMPLATE]: Likewise. * math/w_sinh_template.c [__USE_WRAPPER_TEMPLATE]: Likewise. * math/w_sqrt_template.c [__USE_WRAPPER_TEMPLATE]: Likewise. * math/w_tgamma_template.c [__USE_WRAPPER_TEMPLATE]: Likewise.
55 lines
2.0 KiB
C
55 lines
2.0 KiB
C
/* Wrapper to set errno for lgamma_r.
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Copyright (C) 2017 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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/* Only build wrappers from the templates for the types that define the macro
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below. This macro is set in math-type-macros-<type>.h in sysdeps/generic
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for each floating-point type. */
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#if __USE_WRAPPER_TEMPLATE
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# include <errno.h>
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# include <fenv.h>
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# include <math.h>
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# include <math_private.h>
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#define M_DECL_FUNC_R_X(x) x ## _r
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#define M_DECL_FUNC_R_S(x) M_DECL_FUNC_R_X (x)
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#define M_DECL_FUNC_R(x) M_DECL_FUNC_R_S (M_SUF (x))
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#define M_CALL_FUNC_R_X(x) x ## _r
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#define M_CALL_FUNC_R_S(x) M_CALL_FUNC_R_X (x)
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#define M_CALL_FUNC_R(x) M_CALL_FUNC_R_S (M_SUF (x))
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#define declare_mgen_alias_r_x(from, to) weak_alias (from ## _r, to ## _r)
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#define declare_mgen_alias_r_s(from, to) \
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declare_mgen_alias_r_x (from, to)
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#define declare_mgen_alias_r(from, to) \
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declare_mgen_alias_r_s (M_SUF (from), M_SUF (to))
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FLOAT
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M_DECL_FUNC_R (__lgamma) (FLOAT x, int *signgamp)
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{
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FLOAT y = M_CALL_FUNC_R (__ieee754_lgamma) (x, signgamp);
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if (__glibc_unlikely (!isfinite (y)) && isfinite (x))
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/* Pole error: lgamma_r(integer x<0). Or overflow. */
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__set_errno (ERANGE);
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return y;
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}
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declare_mgen_alias_r (__lgamma, lgamma)
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#endif /* __USE_WRAPPER_TEMPLATE. */
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