unwind_test_impl< BaseXpr, Xpr, Depth > Struct Template Reference

Static Public Member Functions
static void	run (Xpr &xpr)

Member Function Documentation

run()

template<typename BaseXpr , typename Xpr = BaseXpr, int Depth = 0>

static void unwind_test_impl< BaseXpr, Xpr, Depth >::run ( Xpr &  xpr )

inlinestatic

                            {
    Index startRow = internal::random<Index>(0, xpr.rows() / 5);
    Index startCol = internal::random<Index>(0, xpr.cols() / 6);
    Index rows = xpr.rows() / 3;
    Index cols = xpr.cols() / 2;
    // test equivalence of const expressions
    const Block<const Xpr> constNestedBlock(xpr, startRow, startCol, rows, cols);
    const Block<const BaseXpr> constUnwoundBlock = constNestedBlock.unwind();
    VERIFY_IS_CWISE_EQUAL(constNestedBlock, constUnwoundBlock);
    // modify a random element in each representation and test equivalence of non-const expressions
    Block<Xpr> nestedBlock(xpr, startRow, startCol, rows, cols);
    Block<BaseXpr> unwoundBlock = nestedBlock.unwind();
    Index r1 = internal::random<Index>(0, rows - 1);
    Index c1 = internal::random<Index>(0, cols - 1);
    Index r2 = internal::random<Index>(0, rows - 1);
    Index c2 = internal::random<Index>(0, cols - 1);
    nestedBlock.coeffRef(r1, c1) = internal::random<typename DenseBase<Xpr>::Scalar>();
    unwoundBlock.coeffRef(r2, c2) = internal::random<typename DenseBase<Xpr>::Scalar>();
    VERIFY_IS_CWISE_EQUAL(nestedBlock, unwoundBlock);
    unwind_test_impl<BaseXpr, Block<Xpr>, Depth + 1>::run(nestedBlock);
  }

References cols, rows, Eigen::Block< XprType, BlockRows, BlockCols, InnerPanel >::unwind(), and VERIFY_IS_CWISE_EQUAL.

Referenced by unwind_test().

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The documentation for this struct was generated from the following file:

• block.cpp