74a77dd2ed
Original-commit: flang-compiler/f18@57b0ebb558 Reviewed-on: https://github.com/flang-compiler/f18/pull/273
39 lines
1.3 KiB
C++
39 lines
1.3 KiB
C++
// Copyright (c) 2018, NVIDIA CORPORATION. All rights reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#ifndef FORTRAN_TEST_EVALUATE_FP_TESTING_H_
|
|
#define FORTRAN_TEST_EVALUATE_FP_TESTING_H_
|
|
|
|
#include "../../lib/evaluate/common.h"
|
|
#include <fenv.h>
|
|
|
|
using Fortran::evaluate::RealFlags;
|
|
using Fortran::evaluate::Rounding;
|
|
using Fortran::evaluate::RoundingMode;
|
|
|
|
class ScopedHostFloatingPointEnvironment {
|
|
public:
|
|
ScopedHostFloatingPointEnvironment(bool treatSubnormalOperandsAsZero = false,
|
|
bool flushSubnormalResultsToZero = false);
|
|
~ScopedHostFloatingPointEnvironment();
|
|
void ClearFlags() const;
|
|
static RealFlags CurrentFlags();
|
|
static void SetRounding(Rounding rounding);
|
|
|
|
private:
|
|
fenv_t originalFenv_;
|
|
fenv_t currentFenv_;
|
|
};
|
|
|
|
#endif // FORTRAN_TEST_EVALUATE_FP_TESTING_H_
|