libc/test/UnitTest/RoundingModeUtils.h

   1 //===-- RoundingModeUtils.h -------------------------------------*- 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 #ifndef LLVM_LIBC_UTILS_TESTUTILS_ROUNDINGMODEUTILS_H
  10 #define LLVM_LIBC_UTILS_TESTUTILS_ROUNDINGMODEUTILS_H
  11
  12 #include <stdint.h>
  13
  14 namespace LIBC_NAMESPACE {
  15 namespace fputil {
  16 namespace testing {
  17
  18 enum class RoundingMode : uint8_t { Upward, Downward, TowardZero, Nearest };
  19
  20 struct ForceRoundingMode {
  21   ForceRoundingMode(RoundingMode);
  22   ~ForceRoundingMode();
  23
  24   int old_rounding_mode;
  25   int rounding_mode;
  26   bool success;
  27 };
  28
  29 template <RoundingMode R> struct ForceRoundingModeTest : ForceRoundingMode {
  30   ForceRoundingModeTest() : ForceRoundingMode(R) {}
  31 };
  32
  33 } // namespace testing
  34 } // namespace fputil
  35 } // namespace LIBC_NAMESPACE
  36
  37 #endif // LLVM_LIBC_UTILS_TESTUTILS_ROUNDINGMODEUTILS_H