openvino/ngraph/test/util/float_util.hpp

54 lines
1.2 KiB
C++

// Copyright (C) 2018-2021 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
//
#include <algorithm>
#include <bitset>
#include <cmath>
#include <limits>
#include <sstream>
#include "ngraph/ngraph.hpp"
namespace ngraph
{
namespace test
{
union FloatUnion {
FloatUnion() { i = 0; }
FloatUnion(float val) { f = val; }
FloatUnion(uint32_t val) { i = val; }
FloatUnion(uint32_t s, uint32_t e, uint32_t f)
: FloatUnion(s << 31 | e << 23 | f)
{
}
float f;
uint32_t i;
};
union DoubleUnion {
DoubleUnion() { i = 0; }
DoubleUnion(double val) { d = val; }
DoubleUnion(uint64_t val) { i = val; }
double d;
uint64_t i;
};
std::string bfloat16_to_bits(bfloat16 f);
std::string float16_to_bits(float16 f);
std::string float_to_bits(float f);
std::string double_to_bits(double d);
bfloat16 bits_to_bfloat16(const std::string& s);
float bits_to_float(const std::string& s);
double bits_to_double(const std::string& s);
float16 bits_to_float16(const std::string& s);
}
}