diff options
Diffstat (limited to 'sysdeps/generic/fix-float-double-convert-nan.h')
| -rw-r--r-- | sysdeps/generic/fix-float-double-convert-nan.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/sysdeps/generic/fix-float-double-convert-nan.h b/sysdeps/generic/fix-float-double-convert-nan.h new file mode 100644 index 0000000000..66692262fc --- /dev/null +++ b/sysdeps/generic/fix-float-double-convert-nan.h @@ -0,0 +1,31 @@ +/* Fix for conversion of float NAN to double. Generic version. + Copyright (C) 2022 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + 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. + + 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 + <https://www.gnu.org/licenses/>. */ + +#ifndef FIX_FLOAT_DOUBLE_CONVERT_NAN_H +#define FIX_FLOAT_DOUBLE_CONVERT_NAN_H + +/* This function aims to work around conversions of float -NAN + to double returning NAN instead of the correct -NAN in some + architectures. */ +static inline double __attribute__ ((always_inline)) +keep_sign_conversion (float flt) +{ + return flt; +} + +#endif |