diff options
Diffstat (limited to 'sysdeps/generic/s_csinl.c')
-rw-r--r-- | sysdeps/generic/s_csinl.c | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/sysdeps/generic/s_csinl.c b/sysdeps/generic/s_csinl.c deleted file mode 100644 index f7a1c43600..0000000000 --- a/sysdeps/generic/s_csinl.c +++ /dev/null @@ -1,127 +0,0 @@ -/* Complex sine function for long double. - Copyright (C) 1997 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, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <complex.h> -#include <fenv.h> -#include <math.h> - -#include "math_private.h" - - -__complex__ long double -__csinl (__complex__ long double x) -{ - __complex__ long double retval; - int negate = signbit (__real__ x); - int rcls = fpclassify (__real__ x); - int icls = fpclassify (__imag__ x); - - __real__ x = fabsl (__real__ x); - - if (icls >= FP_ZERO) - { - /* Imaginary part is finite. */ - if (rcls >= FP_ZERO) - { - /* Real part is finite. */ - long double sinh_val = __ieee754_sinhl (__imag__ x); - long double cosh_val = __ieee754_coshl (__imag__ x); - long double sinix, cosix; - - __sincosl (__real__ x, &sinix, &cosix); - - __real__ retval = cosh_val * sinix; - __imag__ retval = sinh_val * cosix; - - if (negate) - __real__ retval = -__real__ retval; - } - else - { - if (icls == FP_ZERO) - { - /* Imaginary part is 0.0. */ - __real__ retval = __nanl (""); - __imag__ retval = __imag__ x; - -#ifdef FE_INVALID - if (rcls == FP_INFINITE) - feraiseexcept (FE_INVALID); -#endif - } - else - { - __real__ retval = __nanl (""); - __imag__ retval = __nanl (""); - -#ifdef FE_INVALID - feraiseexcept (FE_INVALID); -#endif - } - } - } - else if (icls == FP_INFINITE) - { - /* Imaginary part is infinite. */ - if (rcls == FP_ZERO) - { - /* Real part is 0.0. */ - __real__ retval = __copysignl (0.0, negate ? -1.0 : 1.0); - __imag__ retval = __imag__ x; - } - else if (rcls > FP_ZERO) - { - /* Real part is finite. */ - long double sinix, cosix; - - __sincosl (__real__ x, &sinix, &cosix); - - __real__ retval = __copysignl (HUGE_VALL, sinix); - __imag__ retval = __copysignl (HUGE_VALL, cosix); - - if (negate) - __real__ retval = -__real__ retval; - if (signbit (__imag__ x)) - __imag__ retval = -__imag__ retval; - } - else - { - /* The addition raises the invalid exception. */ - __real__ retval = __nanl (""); - __imag__ retval = HUGE_VALL; - -#ifdef FE_INVALID - if (rcls == FP_INFINITE) - feraiseexcept (FE_INVALID); -#endif - } - } - else - { - if (rcls == FP_ZERO) - __real__ retval = __copysignl (0.0, negate ? -1.0 : 1.0); - else - __real__ retval = __nanl (""); - __imag__ retval = __nanl (""); - } - - return retval; -} -weak_alias (__csinl, csinl) |