mirror of git://sourceware.org/git/glibc.git
53 lines
1.6 KiB
C
53 lines
1.6 KiB
C
/* Wrapper to set errno for j1 and y1.
|
|
Copyright (C) 2017-2021 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
|
|
<https://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. */
|