summaryrefslogtreecommitdiff
path: root/REORG.TODO/math/w_exp10_template.c
diff options
context:
space:
mode:
Diffstat (limited to 'REORG.TODO/math/w_exp10_template.c')
-rw-r--r--REORG.TODO/math/w_exp10_template.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/REORG.TODO/math/w_exp10_template.c b/REORG.TODO/math/w_exp10_template.c
new file mode 100644
index 0000000000..8f7997dd35
--- /dev/null
+++ b/REORG.TODO/math/w_exp10_template.c
@@ -0,0 +1,39 @@
+/* Wrapper to set errno for exp10.
+ Copyright (C) 2017 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/>. */
+
+/* Only build wrappers from the templates for the types that define the macro
+ below. This macro is set in math-type-macros-<type>.h in sysdeps/generic
+ for each floating-point type. */
+#if __USE_WRAPPER_TEMPLATE
+
+# include <fenv.h>
+# include <math.h>
+# include <math_private.h>
+
+FLOAT
+M_DECL_FUNC (__exp10) (FLOAT x)
+{
+ FLOAT z = M_SUF (__ieee754_exp10) (x);
+ if (__glibc_unlikely (!isfinite (z) || z == 0) && isfinite (x))
+ /* Overflow or underflow. */
+ __set_errno (ERANGE);
+ return z;
+}
+declare_mgen_alias (__exp10, exp10)
+
+#endif /* __USE_WRAPPER_TEMPLATE. */