diff options
Diffstat (limited to 'sysdeps/generic/math-nan-payload-float.h')
| -rw-r--r-- | sysdeps/generic/math-nan-payload-float.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/sysdeps/generic/math-nan-payload-float.h b/sysdeps/generic/math-nan-payload-float.h new file mode 100644 index 0000000000..2a4ff8ca64 --- /dev/null +++ b/sysdeps/generic/math-nan-payload-float.h @@ -0,0 +1,28 @@ +/* NaN payload handling for float. + Copyright (C) 1997-2018 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 + <http://www.gnu.org/licenses/>. */ + +#define SET_NAN_PAYLOAD(flt, mant) \ + do \ + { \ + union ieee754_float u; \ + u.f = (flt); \ + u.ieee_nan.mantissa = (mant); \ + if (u.ieee.mantissa != 0) \ + (flt) = u.f; \ + } \ + while (0) |