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 417ea79e792a87d53f5ac4f5388af4b25aa04d7d.
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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