diff options
Diffstat (limited to 'sysdeps/powerpc/fpu/s_cosf.c')
-rw-r--r-- | sysdeps/powerpc/fpu/s_cosf.c | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/sysdeps/powerpc/fpu/s_cosf.c b/sysdeps/powerpc/fpu/s_cosf.c deleted file mode 100644 index 9423eb9c35..0000000000 --- a/sysdeps/powerpc/fpu/s_cosf.c +++ /dev/null @@ -1,70 +0,0 @@ -/* s_cosf.c -- float version of s_cos.c. - Copyright (C) 2011-2018 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Adhemerval Zanella <azanella@br.ibm.com>, 2011 - - 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, see <http://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include <math.h> -#include <math_private.h> -#include <libm-alias-float.h> - -static const float pio4 = 7.8539801e-1; - -float -__cosf (float x) -{ - float y[2], z = 0.0; - float ix; - int32_t n; - - ix = __builtin_fabsf (x); - - /* |x| ~< pi/4 */ - if (ix <= pio4) - { - return __kernel_cosf (x, z); - /* cos(Inf or NaN) is NaN */ - } - else if (isnanf (ix)) - { - return x - x; - } - else if (isinff (ix)) - { - __set_errno (EDOM); - return x - x; - } - - /* argument reduction needed */ - else - { - n = __ieee754_rem_pio2f (x, y); - switch (n & 3) - { - case 0: - return __kernel_cosf (y[0], y[1]); - case 1: - return -__kernel_sinf (y[0], y[1], 1); - case 2: - return -__kernel_cosf (y[0], y[1]); - default: - return __kernel_sinf (y[0], y[1], 1); - } - } -} - -libm_alias_float (__cos, cos) |