FieldVectorPreservingVisitor (Apache Commons Math 3.3 API)

org.apache.commons.math3.linear

## Interface FieldVectorPreservingVisitor<T extends FieldElement<?>>

- Type Parameters:
    `T` - the type of the field elements

      public interface FieldVectorPreservingVisitor<T extends FieldElement<?>>

  This interface defines a visitor for the entries of a vector. Visitors implementing this interface do not alter the entries of the vector being visited.
  Since:
    3.3
  Version:
    $Id: FieldVectorPreservingVisitor.java 1570536 2014-02-21 11:26:09Z luc $

- - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `T` | `end()` End visiting a vector.
    `void` | `start(int dimension, int start, int end)` Start visiting a vector.
    `void` | `visit(int index, T value)` Visit one entry of the vector.

- - ### Method Detail

    - #### start

          void start(int dimension,
                   int start,
                   int end)

      Start visiting a vector. This method is called once, before any entry of the vector is visited.
      Parameters:
        `dimension` - the size of the vector
        `start` - the index of the first entry to be visited
        `end` - the index of the last entry to be visited (inclusive)

    - #### visit

          void visit(int index,
                   T value)

      Visit one entry of the vector.
      Parameters:
        `index` - the index of the entry being visited
        `value` - the value of the entry being visited

    - #### end

          T end()

      End visiting a vector. This method is called once, after all entries of the vector have been visited.
      Returns:
        the value returned after visiting all entries

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