double_serialization.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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 */

#ifndef DOUBLE_SERIALIZATION_H
#define DOUBLE_SERIALIZATION_H

#include "common/types.h"

namespace Util {

struct SerializedDouble {
    uint32 significandOne;
    uint32 signAndSignificandTwo;
    int16 exponent;
};

struct CompactSerializedDouble {
    uint32 signAndSignificandOne;
    uint32 exponentAndSignificandTwo;
};

SerializedDouble encodeDouble(double value);
double decodeDouble(SerializedDouble value);

} // End of namespace Util

#endif