// Copyright 2024 the V8 project authors. All rights reserved.

// Use of this source code is governed by a BSD-style license that can be

// found in the LICENSE file.

#ifndef V8_WASM_FLOAT16_H_

#define V8_WASM_FLOAT16_H_

#include "src/base/memory.h"

#include "third_party/fp16/src/include/fp16.h"

namespace v8 {

namespace internal {

class Float16 {

public:

Float16() : bits_(0) {}

static Float16 Read(base::Address source) {

return Float16(base::ReadUnalignedValue<uint16_t>(source));

}

void Write(base::Address destination) {

return base::WriteUnalignedValue<uint16_t>(destination, bits_);

}

static Float16 FromFloat32(float f32) {

return Float16(fp16_ieee_from_fp32_value(f32));

}

float ToFloat32() const { return fp16_ieee_to_fp32_value(bits_); }

private:

explicit Float16(uint16_t raw_bits) : bits_(raw_bits) {}

uint16_t bits_;

};

static_assert(sizeof(Float16) == sizeof(uint16_t));

} // namespace internal

} // namespace v8

#endif // V8_WASM_FLOAT16_H_