diff options
Diffstat (limited to 'sysdeps/ieee754/flt-32/s_sincosf.c')
| -rw-r--r-- | sysdeps/ieee754/flt-32/s_sincosf.c | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/sysdeps/ieee754/flt-32/s_sincosf.c b/sysdeps/ieee754/flt-32/s_sincosf.c deleted file mode 100644 index 3ab92ee0ba..0000000000 --- a/sysdeps/ieee754/flt-32/s_sincosf.c +++ /dev/null @@ -1,84 +0,0 @@ -/* Compute sine and cosine of argument. - Copyright (C) 1997-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. - - 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 - <http://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include <math.h> - -#include <math_private.h> - -#ifndef SINCOSF -# define SINCOSF_FUNC __sincosf -#else -# define SINCOSF_FUNC SINCOSF -#endif - -void -SINCOSF_FUNC (float x, float *sinx, float *cosx) -{ - int32_t ix; - - /* High word of x. */ - GET_FLOAT_WORD (ix, x); - - /* |x| ~< pi/4 */ - ix &= 0x7fffffff; - if (ix <= 0x3f490fd8) - { - *sinx = __kernel_sinf (x, 0.0, 0); - *cosx = __kernel_cosf (x, 0.0); - } - else if (ix>=0x7f800000) - { - /* sin(Inf or NaN) is NaN */ - *sinx = *cosx = x - x; - if (ix == 0x7f800000) - __set_errno (EDOM); - } - else - { - /* Argument reduction needed. */ - float y[2]; - int n; - - n = __ieee754_rem_pio2f (x, y); - switch (n & 3) - { - case 0: - *sinx = __kernel_sinf (y[0], y[1], 1); - *cosx = __kernel_cosf (y[0], y[1]); - break; - case 1: - *sinx = __kernel_cosf (y[0], y[1]); - *cosx = -__kernel_sinf (y[0], y[1], 1); - break; - case 2: - *sinx = -__kernel_sinf (y[0], y[1], 1); - *cosx = -__kernel_cosf (y[0], y[1]); - break; - default: - *sinx = -__kernel_cosf (y[0], y[1]); - *cosx = __kernel_sinf (y[0], y[1], 1); - break; - } - } -} - -#ifndef SINCOSF -weak_alias (__sincosf, sincosf) -#endif |