diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-128ibm/e_gammal_r.c')
-rw-r--r-- | sysdeps/ieee754/ldbl-128ibm/e_gammal_r.c | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_gammal_r.c b/sysdeps/ieee754/ldbl-128ibm/e_gammal_r.c deleted file mode 100644 index 03bcb2129a..0000000000 --- a/sysdeps/ieee754/ldbl-128ibm/e_gammal_r.c +++ /dev/null @@ -1,58 +0,0 @@ -/* Implementation of gamma function according to ISO C. - Copyright (C) 1997,1999,2002,2004,2006 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997 and - Jakub Jelinek <jj@ultra.linux.cz, 1999. - - 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 <math.h> -#include <math_private.h> - - -long double -__ieee754_gammal_r (long double x, int *signgamp) -{ - /* We don't have a real gamma implementation now. We'll use lgamma - and the exp function. But due to the required boundary - conditions we must check some values separately. */ - int64_t hx; - u_int64_t lx; - - GET_LDOUBLE_WORDS64 (hx, lx, x); - - if (((hx | lx) & 0x7fffffffffffffffLL) == 0) - { - /* Return value for x == 0 is Inf with divide by zero exception. */ - *signgamp = 0; - return 1.0 / x; - } - if (hx < 0 && (u_int64_t) hx < 0xfff0000000000000ULL && __rintl (x) == x) - { - /* Return value for integer x < 0 is NaN with invalid exception. */ - *signgamp = 0; - return (x - x) / (x - x); - } - if (hx == 0xfff0000000000000ULL) - { - /* x == -Inf. According to ISO this is NaN. */ - *signgamp = 0; - return x - x; - } - - /* XXX FIXME. */ - return __ieee754_expl (__ieee754_lgammal_r (x, signgamp)); -} |