| 1 | /* Get NaN payload. flt-32 version. |
|---|
| 2 | Copyright (C) 2016-2024 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 <fix-int-fp-convert-zero.h> |
|---|
| 20 | #include <math.h> |
|---|
| 21 | #include <math_private.h> |
|---|
| 22 | #include <libm-alias-float.h> |
|---|
| 23 | #include <stdint.h> |
|---|
| 24 | |
|---|
| 25 | float |
|---|
| 26 | __getpayloadf (const float *x) |
|---|
| 27 | { |
|---|
| 28 | uint32_t ix; |
|---|
| 29 | GET_FLOAT_WORD (ix, *x); |
|---|
| 30 | if ((ix & 0x7f800000) != 0x7f800000 |
|---|
| 31 | || (ix & 0x7fffff) == 0) |
|---|
| 32 | return -1; |
|---|
| 33 | ix &= 0x3fffff; |
|---|
| 34 | if (FIX_INT_FP_CONVERT_ZERO && ix == 0) |
|---|
| 35 | return 0.0f; |
|---|
| 36 | return (float) ix; |
|---|
| 37 | } |
|---|
| 38 | libm_alias_float (__getpayload, getpayload) |
|---|
| 39 | |
|---|
