diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-128ibm/math-nan-payload-ldouble.h')
| -rw-r--r-- | sysdeps/ieee754/ldbl-128ibm/math-nan-payload-ldouble.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm/math-nan-payload-ldouble.h b/sysdeps/ieee754/ldbl-128ibm/math-nan-payload-ldouble.h new file mode 100644 index 0000000000..653407597f --- /dev/null +++ b/sysdeps/ieee754/ldbl-128ibm/math-nan-payload-ldouble.h @@ -0,0 +1,29 @@ +/* NaN payload handling or ldbl-128ibm. + 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 ibm_extended_long_double u; \ + u.ld = (flt); \ + u.d[0].ieee_nan.mantissa0 = (mant) >> 32; \ + u.d[0].ieee_nan.mantissa1 = (mant); \ + if ((u.d[0].ieee.mantissa0 | u.d[0].ieee.mantissa1) != 0) \ + (flt) = u.ld; \ + } \ + while (0) |