diff options
Diffstat (limited to 'math/s_ccosh.c')
| -rw-r--r-- | math/s_ccosh.c | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/math/s_ccosh.c b/math/s_ccosh.c deleted file mode 100644 index f5b29db24b..0000000000 --- a/math/s_ccosh.c +++ /dev/null @@ -1,105 +0,0 @@ -/* Complex cosine hyperbole function for 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__ double -__ccosh (__complex__ double x) -{ - __complex__ double retval; - int rcls = fpclassify (__real__ x); - int icls = fpclassify (__imag__ x); - - if (rcls >= FP_ZERO) - { - /* Real part is finite. */ - if (icls >= FP_ZERO) - { - /* Imaginary part is finite. */ - double sinh_val = __ieee754_sinh (__real__ x); - double cosh_val = __ieee754_cosh (__real__ x); - double sinix, cosix; - - __sincos (__imag__ x, &sinix, &cosix); - - __real__ retval = cosh_val * cosix; - __imag__ retval = sinh_val * sinix; - } - else - { - __imag__ retval = __real__ x == 0.0 ? 0.0 : __nan (""); - __real__ retval = __nan ("") + __nan (""); - -#ifdef FE_INVALID - if (icls == FP_INFINITE) - feraiseexcept (FE_INVALID); -#endif - } - } - else if (rcls == FP_INFINITE) - { - /* Real part is infinite. */ - if (icls == FP_ZERO) - { - /* Imaginary part is 0.0. */ - __real__ retval = HUGE_VAL; - __imag__ retval = __imag__ x * __copysign (1.0, __real__ x); - } - else if (icls > FP_ZERO) - { - /* Imaginary part is finite. */ - double sinix, cosix; - - __sincos (__imag__ x, &sinix, &cosix); - - __real__ retval = __copysign (HUGE_VAL, cosix); - __imag__ retval = (__copysign (HUGE_VAL, sinix) - * __copysign (1.0, __real__ x)); - } - else - { - /* The addition raises the invalid exception. */ - __real__ retval = HUGE_VAL; - __imag__ retval = __nan ("") + __nan (""); - -#ifdef FE_INVALID - if (icls == FP_INFINITE) - feraiseexcept (FE_INVALID); -#endif - } - } - else - { - __real__ retval = __nan (""); - __imag__ retval = __imag__ x == 0.0 ? __imag__ x : __nan (""); - } - - return retval; -} -weak_alias (__ccosh, ccosh) -#ifdef NO_LONG_DOUBLE -strong_alias (__ccosh, __ccoshl) -weak_alias (__ccosh, ccoshl) -#endif |