1 /* Software floating-point emulation.
2    Return (float)a
3    Copyright (C) 1997-2022 Free Software Foundation, Inc.
4    This file is part of the GNU C Library.
5 
6    The GNU C Library is free software; you can redistribute it and/or
7    modify it under the terms of the GNU Lesser General Public
8    License as published by the Free Software Foundation; either
9    version 2.1 of the License, or (at your option) any later version.
10 
11    The GNU C Library is distributed in the hope that it will be useful,
12    but WITHOUT ANY WARRANTY; without even the implied warranty of
13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14    Lesser General Public License for more details.
15 
16    You should have received a copy of the GNU Lesser General Public
17    License along with the GNU C Library; if not, see
18    <https://www.gnu.org/licenses/>.  */
19 
20 #include "soft-fp.h"
21 #include "single.h"
22 #include "quad.h"
23 
_Q_qtos(const long double a)24 float _Q_qtos(const long double a)
25 {
26   FP_DECL_EX;
27   FP_DECL_Q(A);
28   FP_DECL_S(R);
29   float r;
30 
31   FP_INIT_ROUNDMODE;
32   FP_UNPACK_SEMIRAW_Q(A, a);
33 #if _FP_W_TYPE_SIZE < 64
34   FP_TRUNC(S,Q,1,4,R,A);
35 #else
36   FP_TRUNC(S,Q,1,2,R,A);
37 #endif
38   FP_PACK_SEMIRAW_S(r, R);
39   FP_HANDLE_EXCEPTIONS;
40 
41   return r;
42 }
43