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Diffstat (limited to 'REORG.TODO/soft-fp/sqrtdf2.c')
-rw-r--r-- | REORG.TODO/soft-fp/sqrtdf2.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/REORG.TODO/soft-fp/sqrtdf2.c b/REORG.TODO/soft-fp/sqrtdf2.c new file mode 100644 index 0000000000..82b71d0995 --- /dev/null +++ b/REORG.TODO/soft-fp/sqrtdf2.c @@ -0,0 +1,49 @@ +/* Software floating-point emulation. + Return sqrt(a) + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson (rth@cygnus.com) and + 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 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. + + In addition to the permissions in the GNU Lesser General Public + License, the Free Software Foundation gives you unlimited + permission to link the compiled version of this file into + combinations with other programs, and to distribute those + combinations without any restriction coming from the use of this + file. (The Lesser General Public License restrictions do apply in + other respects; for example, they cover modification of the file, + and distribution when not linked into a combine executable.) + + 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 "soft-fp.h" +#include "double.h" + +DFtype +__sqrtdf2 (DFtype a) +{ + FP_DECL_EX; + FP_DECL_D (A); + FP_DECL_D (R); + DFtype r; + + FP_INIT_ROUNDMODE; + FP_UNPACK_D (A, a); + FP_SQRT_D (R, A); + FP_PACK_D (r, R); + FP_HANDLE_EXCEPTIONS; + + return r; +} |