projects / thirdparty / glibc.git / blame
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|---|---|---|
| 8ed1e7d5 GK |
1 | /* Software floating-point emulation. |
| 2 | c = (long double)(a) | |
| 3 | Copyright (C) 1997, 1999, 2000 Free Software Foundation, Inc. | |
| 4 | This file is part of the GNU C Library. | |
| 5 | Contributed by Richard Henderson (rth@cygnus.com) and | |
| 6 | Jakub Jelinek (jj@ultra.linux.cz). | |
| 7 | ||
| 8 | The GNU C Library is free software; you can redistribute it and/or | |
| 41bdb6e2 AJ |
9 | modify it under the terms of the GNU Lesser General Public |
| 10 | License as published by the Free Software Foundation; either | |
| 11 | version 2.1 of the License, or (at your option) any later version. | |
| 8ed1e7d5 GK |
12 | |
| 13 | The GNU C Library is distributed in the hope that it will be useful, | |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 41bdb6e2 | 16 | Lesser General Public License for more details. |
| 8ed1e7d5 | 17 | |
| 41bdb6e2 AJ |
18 | You should have received a copy of the GNU Lesser General Public |
| 19 | License along with the GNU C Library; if not, write to the Free | |
| 20 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
| 21 | 02111-1307 USA. */ | |
| 8ed1e7d5 GK |
22 | |
| 23 | #include "soft-fp.h" | |
| 24 | #include "single.h" | |
| 25 | #include "quad.h" | |
| 26 | ||
| 27 | long double _q_stoq(const float a) | |
| 28 | { | |
| 29 | FP_DECL_EX; | |
| 30 | FP_DECL_S(A); | |
| 31 | FP_DECL_Q(C); | |
| 32 | long double c; | |
| 33 | ||
| 34 | FP_UNPACK_S(A, a); | |
| 35 | #if (2 * _FP_W_TYPE_SIZE) < _FP_FRACBITS_Q | |
| 36 | FP_CONV(Q,S,4,1,C,A); | |
| 37 | #else | |
| 38 | FP_CONV(Q,S,2,1,C,A); | |
| 39 | #endif | |
| 40 | FP_PACK_Q(c, C); | |
| 41 | FP_HANDLE_EXCEPTIONS; | |
| 42 | return c; | |
| 43 | } |