compiler-rt/lib/builtins/fp_mode.h

   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