1 files changed, 42 insertions, 0 deletions
diff --git a/REORG.TODO/math/w_ilogb_template.c b/REORG.TODO/math/w_ilogb_template.c
new file mode 100644
index 0000000000..f18dd42e05
--- /dev/null
+++ b/REORG.TODO/math/w_ilogb_template.c
@@ -0,0 +1,42 @@
+/* Wrapper to set errno for ilogb.
+   Copyright (C) 2012-2017 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/>.  */
+
+#include <math.h>
+#include <errno.h>
+#include <limits.h>
+#include <math_private.h>
+
+/* wrapper ilogb */
+int
+M_DECL_FUNC (__ilogb) (FLOAT x)
+{
+  int r = M_SUF (__ieee754_ilogb) (x);
+  if (__builtin_expect (r == FP_ILOGB0, 0)
+      || __builtin_expect (r == FP_ILOGBNAN, 0)
+      || __builtin_expect (r == INT_MAX, 0))
+    {
+      __set_errno (EDOM);
+      __feraiseexcept (FE_INVALID);
+    }
+  return r;
+}
+declare_mgen_alias (__ilogb, ilogb)
+
+#if M_LIBM_NEED_COMPAT (ilogb)
+declare_mgen_libm_compat (__ilogb, ilogb)
+#endif