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54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
/* Inline math functions for Alpha.
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Copyright (C) 1996 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by David Mosberger-Tang.
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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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#if defined (__GNUC__) && !defined (__NO_MATH_INLINES)
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extern __inline double
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__copysign (double __x, double __y)
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{
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__asm ("cpys %1, %2, %0" : "=f" (__x) : "f" (__y), "f" (__x));
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return __x;
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}
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extern __inline double
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fabs (double __x)
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{
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__asm ("cpys $f31, %1, %0" : "=f" (__x) : "f" (__x));
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return __x;
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}
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extern __inline double
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atan (double __x)
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{
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extern double __atan2 (double, double);
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return __atan2 (__x, 1.0);
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}
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#ifdef __USE_MISC
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extern __inline double
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cabs (struct __cabs_complex __z)
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{
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extern double __hypot (double, double);
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return __hypot(__z.__x, __z.__y);
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}
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#endif
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#endif
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