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Diffstat (limited to 'math/bits/mathcalls-narrow.h')
-rw-r--r--math/bits/mathcalls-narrow.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/math/bits/mathcalls-narrow.h b/math/bits/mathcalls-narrow.h
new file mode 100644
index 0000000000..0f1f0510a0
--- /dev/null
+++ b/math/bits/mathcalls-narrow.h
@@ -0,0 +1,21 @@
+/* Declare functions returning a narrower type.
+ Copyright (C) 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/>. */
+
+#ifndef _MATH_H
+# error "Never include <bits/mathcalls-narrow.h> directly; include <math.h> instead."
+#endif