/*

 * Copyright (c) Meta Platforms, Inc. and affiliates.

 *

 * This source code is licensed under the MIT license found in the

 * LICENSE file in the root directory of this source tree.

 */

#ifndef HERMES_VM_BOXEDDOUBLE_H

#define HERMES_VM_BOXEDDOUBLE_H

#include "hermes/VM/Runtime.h"

namespace hermes {

namespace vm {

/// A fixed size GCCell used to store a single immutable double. This is used by

/// SmallHermesValue to store numbers that cannot be represented as small

/// integers.

class BoxedDouble final : public GCCell {

  friend void BoxedDoubleBuildMeta(const GCCell *cell, Metadata::Builder &mb);

  static const VTable vt;

  double value_;

 public:

  static constexpr CellKind getCellKind() {

    return CellKind::BoxedDoubleKind;

  }

  static bool classof(const GCCell *cell) {

    return cell->getKind() == CellKind::BoxedDoubleKind;

  }

  static BoxedDouble *create(double d, Runtime &runtime) {

    return runtime.makeAFixed<BoxedDouble>(d);

  }

  BoxedDouble(double d) : value_(d) {}

  double get() const {

    return value_;

  }

};

} // namespace vm

} // namespace hermes

#endif // HERMES_VM_BOXEDDOUBLE_H