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