VectorTypes.h

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/* Copyright (c) 2012-2017, ARM Limited and Contributors
 *
 * SPDX-License-Identifier: MIT
 *
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 * to any person obtaining a copy of this software and associated documentation files (the "Software"),
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 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
 * and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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 */

#ifndef VECTORTYPES_H
#define VECTORTYPES_H

#include <cmath>

namespace MaliSDK
{
    class Vec3f
    {
    public:
        float x, y, z;

        static float dot(Vec3f& vector1, Vec3f& vector2)
        {
            return (vector1.x * vector2.x + vector1.y * vector2.y + vector1.z * vector2.z);
        }

        void normalize(void)
        {
            float length = sqrt(x * x + y * y + z * z);

            x /= length;
            y /= length;
            z /= length;
        }

        static Vec3f cross(const Vec3f& vector1, const Vec3f& vector2)
        {
            /* Floating point vector to be returned. */
            Vec3f crossProduct;

            crossProduct.x = (vector1.y * vector2.z) - (vector1.z * vector2.y);
            crossProduct.y = (vector1.z * vector2.x) - (vector1.x * vector2.z);
            crossProduct.z = (vector1.x * vector2.y) - (vector1.y * vector2.x);

            return crossProduct;
        }
    };

    class Vec4f
    {
    public:
        float x, y, z, w;

        void normalize(void)
        {
            float length = sqrt(x * x + y * y + z * z + w * w);

            x /= length;
            y /= length;
            z /= length;
            w /= length;
        }
    };
}
#endif /* VECTORTYPES_H */