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author | Paul E. Murphy <murphyp@linux.vnet.ibm.com> | 2016-09-12 17:32:07 -0500 |
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committer | Paul E. Murphy <murphyp@linux.vnet.ibm.com> | 2016-09-20 14:37:42 -0500 |
commit | 2c46d1148650edf5d02051c3794227d52618db0c (patch) | |
tree | 1471eeb1a0b3100b2167f151db57a2b0140bc028 /math/s_nan_template.c | |
parent | fc7f4691d331acb206c9be2643fc2572eabac0e1 (diff) | |
download | glibc-2c46d1148650edf5d02051c3794227d52618db0c.zip glibc-2c46d1148650edf5d02051c3794227d52618db0c.tar.gz glibc-2c46d1148650edf5d02051c3794227d52618db0c.tar.bz2 |
Build s_nan* objects from a generic template
This requires adding a macro to synthesize the call
to __strto*_nan. Since this is likely to be the only
usage ever for strto* functions in generated libm
calls, a dedicated macro is defined for it.
Diffstat (limited to 'math/s_nan_template.c')
-rw-r--r-- | math/s_nan_template.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/math/s_nan_template.c b/math/s_nan_template.c new file mode 100644 index 0000000..cf47a2f --- /dev/null +++ b/math/s_nan_template.c @@ -0,0 +1,37 @@ +/* Return quiet nan. + Copyright (C) 1997-2016 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. + + 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/>. */ + +#include <math.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <ieee754.h> + + +FLOAT +M_DECL_FUNC (__nan) (const char *tagp) +{ + return M_STRTO_NAN (tagp, NULL, 0); +} + +declare_mgen_alias (__nan, nan) + +#if M_LIBM_NEED_COMPAT (nan) +declare_mgen_libm_compat (__nan, nan) +#endif |