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authorPaul E. Murphy <murphyp@linux.vnet.ibm.com>2016-09-12 17:32:07 -0500
committerPaul E. Murphy <murphyp@linux.vnet.ibm.com>2016-09-20 14:37:42 -0500
commit2c46d1148650edf5d02051c3794227d52618db0c (patch)
tree1471eeb1a0b3100b2167f151db57a2b0140bc028 /math/s_nan_template.c
parentfc7f4691d331acb206c9be2643fc2572eabac0e1 (diff)
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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.c37
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