4311246a3a
This passed locally but unfortauntely it seems some tests are not ready
to be made hermetic. Revert for now until we can investigate
specifically which tests are failing and mark those as `UNIT_TEST_ONLY`.
This reverts commit 417ea79e79.
51 lines
1.2 KiB
C++
51 lines
1.2 KiB
C++
//===-- RoundingModeUtils.cpp ---------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "RoundingModeUtils.h"
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#include <fenv.h>
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namespace __llvm_libc {
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namespace fputil {
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namespace testing {
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int get_fe_rounding(RoundingMode mode) {
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switch (mode) {
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case RoundingMode::Upward:
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return FE_UPWARD;
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break;
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case RoundingMode::Downward:
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return FE_DOWNWARD;
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break;
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case RoundingMode::TowardZero:
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return FE_TOWARDZERO;
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break;
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case RoundingMode::Nearest:
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return FE_TONEAREST;
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break;
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default:
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__builtin_unreachable();
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}
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}
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ForceRoundingMode::ForceRoundingMode(RoundingMode mode) {
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old_rounding_mode = fegetround();
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rounding_mode = get_fe_rounding(mode);
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if (old_rounding_mode != rounding_mode)
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fesetround(rounding_mode);
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}
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ForceRoundingMode::~ForceRoundingMode() {
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if (old_rounding_mode != rounding_mode)
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fesetround(old_rounding_mode);
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}
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} // namespace testing
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} // namespace fputil
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} // namespace __llvm_libc
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