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author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-12-27 19:01:57 +0000 |
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committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-12-27 19:01:57 +0000 |
commit | cab56836b146bc129f1ad43f0393d95a9deca63a (patch) | |
tree | 4f4e655319bbac78fca170da05275c127429b460 /sysdeps/ieee754/ldbl-128/math-nan-payload-ldouble.h | |
parent | 04ac1241a4cd004872282c2c82ec37fa33925292 (diff) | |
parent | 82dd75a7f436a19047325d62182590c9f9e23a78 (diff) |
Merge branch 't/tls' into refs/top-bases/t/tls-threadvar
Diffstat (limited to 'sysdeps/ieee754/ldbl-128/math-nan-payload-ldouble.h')
-rw-r--r-- | sysdeps/ieee754/ldbl-128/math-nan-payload-ldouble.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/sysdeps/ieee754/ldbl-128/math-nan-payload-ldouble.h b/sysdeps/ieee754/ldbl-128/math-nan-payload-ldouble.h new file mode 100644 index 0000000000..e2f092d3e1 --- /dev/null +++ b/sysdeps/ieee754/ldbl-128/math-nan-payload-ldouble.h @@ -0,0 +1,32 @@ +/* NaN payload handling for ldbl-128. + 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 ieee854_long_double u; \ + u.d = (flt); \ + u.ieee_nan.mantissa0 = 0; \ + u.ieee_nan.mantissa1 = 0; \ + u.ieee_nan.mantissa2 = (mant) >> 32; \ + u.ieee_nan.mantissa3 = (mant); \ + if ((u.ieee.mantissa0 | u.ieee.mantissa1 \ + | u.ieee.mantissa2 | u.ieee.mantissa3) != 0) \ + (flt) = u.d; \ + } \ + while (0) |