1 //===----- lib/fp_mode.h - Floaing-point environment mode utilities --C -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file is not part of the interface of this library.
10 //
11 // This file defines an interface for accessing hardware floating point
12 // environment mode.
13 //
14 //===----------------------------------------------------------------------===//
15 
16 #ifndef FP_MODE_H
17 #define FP_MODE_H
18 
19 typedef enum {
20   CRT_FE_TONEAREST,
21   CRT_FE_DOWNWARD,
22   CRT_FE_UPWARD,
23   CRT_FE_TOWARDZERO
24 } CRT_FE_ROUND_MODE;
25 
26 CRT_FE_ROUND_MODE __fe_getround(void);
27 int __fe_raise_inexact(void);
28 
29 #endif // FP_MODE_H
30