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- /* Wrapper to set errno for j1 and y1.
- Copyright (C) 2017-2019 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
- /* Only build wrappers from the templates for the types that define the macro
- below. This macro is set in math-type-macros-<type>.h in sysdeps/generic
- for each floating-point type. */
- #if __USE_WRAPPER_TEMPLATE
- # include <errno.h>
- # include <fenv.h>
- # include <math.h>
- # include <math_private.h>
- FLOAT
- M_DECL_FUNC (__j1) (FLOAT x)
- {
- return M_SUF (__ieee754_j1) (x);
- }
- declare_mgen_alias (__j1, j1)
- FLOAT
- M_DECL_FUNC (__y1) (FLOAT x)
- {
- if (__glibc_unlikely (islessequal (x, M_LIT (0.0))))
- {
- if (x < 0)
- /* Domain error: y1(x<0). */
- __set_errno (EDOM);
- else if (x == 0)
- /* Pole error: y1(0). */
- __set_errno (ERANGE);
- }
- return M_SUF (__ieee754_y1) (x);
- }
- declare_mgen_alias (__y1, y1)
- #endif /* __USE_WRAPPER_TEMPLATE. */
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