glibc/sysdeps/m68k/fpu/k_tan.c
Roland McGrath 863a5d8290 Tue Jun 4 22:03:02 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/m68k/fpu/e_acos.c, sysdeps/m68k/fpu/e_fmod.c,
 	sysdeps/m68k/fpu/k_cos.c, sysdeps/m68k/fpu/k_sin.c,
 	sysdeps/m68k/fpu/k_tan.c, sysdeps/m68k/fpu/s_atan.c,
 	sysdeps/m68k/fpu/s_frexp.c, sysdeps/m68k/fpu/s_ilogb.c,
 	sysdeps/m68k/fpu/s_isinf.c, sysdeps/m68k/fpu/s_ldexp.c,
 	sysdeps/m68k/fpu/s_modf.c: Define generic functions using FUNC and
 	float_type with appropriate defaults.
1996-06-06 05:22:44 +00:00

40 lines
1.2 KiB
C

/* Copyright (C) 1996 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 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., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <ansidecl.h>
#include <math.h>
#ifndef FUNC
#define FUNC tan
#endif
#ifndef float_type
#define float_type double
#endif
#define __CONCATX(a,b) __CONCAT(a,b)
float_type
DEFUN(__CONCATX(__kernel_,FUNC), (x, y, iy),
float_type x AND float_type y AND int iy)
{
if (iy == 1)
return __CONCATX(__,FUNC) (x + y);
else
return ((float_type) -1.0) / __CONCATX(__,FUNC) (x + y);
}