diff options
Diffstat (limited to 'soft-fp/sysdeps/sparc/sparc64/s_ilogbl.c')
-rw-r--r-- | soft-fp/sysdeps/sparc/sparc64/s_ilogbl.c | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/soft-fp/sysdeps/sparc/sparc64/s_ilogbl.c b/soft-fp/sysdeps/sparc/sparc64/s_ilogbl.c deleted file mode 100644 index d3b1a51dbf..0000000000 --- a/soft-fp/sysdeps/sparc/sparc64/s_ilogbl.c +++ /dev/null @@ -1,82 +0,0 @@ -/* Software floating-point emulation. - ilogbl(x, exp) - Copyright (C) 1999 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Jakub Jelinek (jj@ultra.linux.cz). - - 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, write to the Free Software Foundation, Inc., - 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -/* ilogbl(long double x) - * return the binary exponent of non-zero x - * ilogbl(0) = 0x80000001 - * ilogbl(inf/NaN) = 0x7fffffff (no signal is raised) - */ - -#include "soft-fp.h" -#include "quad.h" -#include <math.h> - -int __ilogbl(long double x) -{ - FP_DECL_EX; - FP_DECL_Q(X); - -/* - FP_UNPACK_Q(X, x); - switch (X_c) - { - case FP_CLS_ZERO: - return FP_ILOGB0; - case FP_CLS_NAN: - case FP_CLS_INF: - return FP_ILOGBNAN; - default: - return X_e; - } - */ - FP_UNPACK_RAW_Q(X, x); - switch (X_e) - { - default: - return X_e - _FP_EXPBIAS_Q; - case 0: -#if (2 * _FP_W_TYPE_SIZE) < _FP_FRACBITS_Q - if (_FP_FRAC_ZEROP_4(X)) - return FP_ILOGB0; - else - { - _FP_I_TYPE shift; - _FP_FRAC_CLZ_4(shift, X); - shift -= _FP_FRACXBITS_Q; - return X_e - _FP_EXPBIAS_Q - 1 + shift; - } -#else - if (_FP_FRAC_ZEROP_2(X)) - return FP_ILOGB0; - else - { - _FP_I_TYPE shift; - _FP_FRAC_CLZ_2(shift, X); - shift -= _FP_FRACXBITS_Q; - return X_e - _FP_EXPBIAS_Q - 1 + shift; - } -#endif - case _FP_EXPBIAS_Q: - return FP_ILOGBNAN; - } -} - -weak_alias (__ilogbl, ilogbl) |