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author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-12-27 16:03:01 +0000 |
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committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-12-27 16:03:01 +0000 |
commit | 14970231a38310b9561052a67b617138eeaad300 (patch) | |
tree | 35c201a651afa5d5e4fff241280081b3f88b9c2c /sysdeps/alpha/fpu/s_trunc.c | |
parent | f08c7420b5e8b017a1a47b880a62b15bdc588f4d (diff) | |
parent | 25ead03a3712d57df2208fe82f3d316eb8faeaf6 (diff) |
Merge commit 'refs/top-bases/t/extern_inline' into t/extern_inline
Diffstat (limited to 'sysdeps/alpha/fpu/s_trunc.c')
-rw-r--r-- | sysdeps/alpha/fpu/s_trunc.c | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/sysdeps/alpha/fpu/s_trunc.c b/sysdeps/alpha/fpu/s_trunc.c deleted file mode 100644 index 16cb114a72..0000000000 --- a/sysdeps/alpha/fpu/s_trunc.c +++ /dev/null @@ -1,52 +0,0 @@ -/* Copyright (C) 2007-2016 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 chopped rounding mode conversion instructions to implement trunc. */ - -double -__trunc (double x) -{ - double two52 = copysign (0x1.0p52, x); - double r, tmp; - - __asm ( -#ifdef _IEEE_FP_INEXACT - "addt/suic %2, %3, %1\n\tsubt/suic %1, %3, %0" -#else - "addt/suc %2, %3, %1\n\tsubt/suc %1, %3, %0" -#endif - : "=&f"(r), "=&f"(tmp) - : "f"(x), "f"(two52)); - - /* trunc(-0) == -0, and in general we'll always have the same - sign as our input. */ - return copysign (r, x); -} - -weak_alias (__trunc, trunc) -#ifdef NO_LONG_DOUBLE -strong_alias (__trunc, __truncl) -weak_alias (__trunc, truncl) -#endif -#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1) -compat_symbol (libm, __trunc, truncl, GLIBC_2_1); -#endif |