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Diffstat (limited to 'sysdeps/alpha/fpu/s_ceil.c')
-rw-r--r-- | sysdeps/alpha/fpu/s_ceil.c | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/sysdeps/alpha/fpu/s_ceil.c b/sysdeps/alpha/fpu/s_ceil.c deleted file mode 100644 index 029ee09315..0000000000 --- a/sysdeps/alpha/fpu/s_ceil.c +++ /dev/null @@ -1,56 +0,0 @@ -/* Copyright (C) 1998-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Richard Henderson. - - 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 <math.h> -#include <math_ldbl_opt.h> - -/* Use the -inf rounding mode conversion instructions to implement - ceil, via something akin to -floor(-x). This is much faster than - playing with the fpcr to achieve +inf rounding mode. */ - -double -__ceil (double x) -{ - if (isnan (x)) - return x + x; - - if (isless (fabs (x), 9007199254740992.0)) /* 1 << DBL_MANT_DIG */ - { - double tmp1, new_x; - - new_x = -x; - __asm ( - "cvttq/svm %2,%1\n\t" - "cvtqt/m %1,%0\n\t" - : "=f"(new_x), "=&f"(tmp1) - : "f"(new_x)); - - /* Fix up the negation we did above, as well as handling -0 properly. */ - x = copysign(new_x, x); - } - return x; -} - -weak_alias (__ceil, ceil) -#ifdef NO_LONG_DOUBLE -strong_alias (__ceil, __ceill) -weak_alias (__ceil, ceill) -#endif -#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0) -compat_symbol (libm, __ceil, ceill, GLIBC_2_0); -#endif |