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Alpha specific math inline functions.

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This commit is contained in:
Ulrich Drepper 1997-06-21 02:33:37 +00:00
parent 19b9549252
commit b3539abf29
1 changed files with 44 additions and 0 deletions
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sysdeps/alpha/fpu/bits/mathinline.h Normal file
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/* Inline math functions for Alpha.
Copyright (C) 1996, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by David Mosberger-Tang.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#if defined (__GNUC__) && !defined (__NO_MATH_INLINES)
extern __inline double
__copysign (double __x, double __y)
{
__asm ("cpys %1, %2, %0" : "=f" (__x) : "f" (__y), "f" (__x));
return __x;
}
extern __inline double
fabs (double __x)
{
__asm ("cpys $f31, %1, %0" : "=f" (__x) : "f" (__x));
return __x;
}
extern __inline double
atan (double __x)
{
extern double __atan2 (double, double);
return __atan2 (__x, 1.0);
}
#endif