/usr/include/osgUtil/OperationArrayFunctor is in libopenscenegraph-dev 3.2.1-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 | /* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
 *
 * This library is open source and may be redistributed and/or modified under
 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
 * (at your option) any later version.  The full license is in LICENSE file
 * included with this distribution, and on the openscenegraph.org website.
 *
 * This library 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
 * OpenSceneGraph Public License for more details.
*/
#ifndef OSGUTIL_OPERATIONARRAYFUNCTOR
#define OSGUTIL_OPERATIONARRAYFUNCTOR 1
#include <osg/Array>
#include <osgUtil/ConvertVec>
// ** template ArrayVisitor to handle all method in one template.
// **  Only use when process done on each array could be templated
namespace osgUtil {
template <class T>
class OperationArrayFunctor : public osg::ArrayVisitor, public T
{
    public:
        virtual void apply(osg::Array&) {}
//        virtual void apply(osg::ByteArray& array) { T::process<osg::ByteArray>(array); }
//        virtual void apply(osg::ShortArray& array) { T::process(array); }
//        virtual void apply(osg::IntArray& array) { T::process<osg::IntArray>(array); }
//        virtual void apply(osg::UByteArray& array) { T::process<osg::UByteArray>(array); }
//        virtual void apply(osg::UShortArray& array) { T::process<osg::UShortArray>(array); }
//        virtual void apply(osg::UIntArray& array) { T::process<osg::UIntArray>(array); }
//        virtual void apply(osg::FloatArray& array) { T::process<osg::FloatArray>(array); }
//        virtual void apply(osg::DoubleArray& array) { T::process<osg::DoubleArray>(array); }
        virtual void apply(osg::Vec2Array & array) { T::process(array); }
        virtual void apply(osg::Vec3Array& array) { T::process(array); }
        virtual void apply(osg::Vec4Array& array) { T::process(array); }
        virtual void apply(osg::Vec4ubArray& array) { T::process(array); }
        virtual void apply(osg::Vec2bArray& array) { T::process(array); }
        virtual void apply(osg::Vec3bArray& array) { T::process(array); }
        virtual void apply(osg::Vec4bArray& array) { T::process(array); }
        virtual void apply(osg::Vec2sArray& array) { T::process(array); }
        virtual void apply(osg::Vec3sArray& array) { T::process(array); }
        virtual void apply(osg::Vec4sArray& array) { T::process(array); }
        virtual void apply(osg::Vec2dArray& array) { T::process(array); }
        virtual void apply(osg::Vec3dArray& array) { T::process(array); }
        virtual void apply(osg::Vec4dArray& array) { T::process(array); }
};
struct AddRangeOperator
{
    template <typename ArrayType>
    void process(ArrayType & array)
    {
        typedef typename ArrayType::ElementDataType ElementDataType;
        ElementDataType convertedVector;
        osgUtil::ConvertVec<osg::Vec3d, ElementDataType>::convert(_vector, convertedVector);
        typename ArrayType::iterator it = array.begin();
        std::advance(it, _begin);
        typename ArrayType::iterator end = it;
        std::advance(end, _count);
        for (; it < end; ++it)
            (*it) += convertedVector;
    }
    unsigned int _begin;
    unsigned int _count;
    osg::Vec3d _vector;
};
typedef OperationArrayFunctor<AddRangeOperator> AddRangeFunctor;
struct MultiplyRangeOperator
{
    template <typename ArrayType>
    void process(ArrayType & array)
    {
        typedef typename ArrayType::ElementDataType ElementDataType;
        ElementDataType convertedVector;
        osgUtil::ConvertVec<osg::Vec3d, ElementDataType>::convert(_vector, convertedVector);
        typename ArrayType::iterator it = array.begin();
        std::advance(it, _begin);
        typename ArrayType::iterator end = it;
        std::advance(end, _count);
        for (; it < end; ++it)
            (*it) *= convertedVector;
    }
    unsigned int _begin;
    unsigned int _count;
    osg::Vec3d _vector;
};
typedef OperationArrayFunctor<MultiplyRangeOperator> MultiplyRangeFunctor;
} // end osgUtil namespace
#endif // ** OPERATIONARRAYFUNCTOR ** //
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