cast_test_impl< SrcType, DstType, RowsAtCompileTime, ColsAtCompileTime > Struct Template Reference

Classes
struct	RandomOp

Public Types
using	SrcArray = Array< SrcType, RowsAtCompileTime, ColsAtCompileTime >
using	DstArray = Array< DstType, RowsAtCompileTime, ColsAtCompileTime >

Static Public Member Functions
static void	run ()

Static Public Attributes
static constexpr int	SrcPacketSize = internal::packet_traits<SrcType>::size
static constexpr int	DstPacketSize = internal::packet_traits<DstType>::size
static constexpr int	MaxPacketSize = internal::plain_enum_max(SrcPacketSize, DstPacketSize)

Member Typedef Documentation

DstArray

template<typename SrcType , typename DstType , int RowsAtCompileTime, int ColsAtCompileTime>

using cast_test_impl< SrcType, DstType, RowsAtCompileTime, ColsAtCompileTime >::DstArray = Array<DstType, RowsAtCompileTime, ColsAtCompileTime>

SrcArray

template<typename SrcType , typename DstType , int RowsAtCompileTime, int ColsAtCompileTime>

using cast_test_impl< SrcType, DstType, RowsAtCompileTime, ColsAtCompileTime >::SrcArray = Array<SrcType, RowsAtCompileTime, ColsAtCompileTime>

Member Function Documentation

run()

template<typename SrcType , typename DstType , int RowsAtCompileTime, int ColsAtCompileTime>

static void cast_test_impl< SrcType, DstType, RowsAtCompileTime, ColsAtCompileTime >::run ( )

inlinestatic

                    {
    const Index testRows = RowsAtCompileTime == Dynamic ? ((10 * MaxPacketSize) + 1) : RowsAtCompileTime;
    const Index testCols = ColsAtCompileTime == Dynamic ? ((10 * MaxPacketSize) + 1) : ColsAtCompileTime;
    const Index testSize = testRows * testCols;
    const Index minTestSize = 100;
    const Index repeats = numext::div_ceil(minTestSize, testSize);
 
    SrcArray src(testRows, testCols);
    DstArray dst(testRows, testCols);
 
    for (Index repeat = 0; repeat < repeats; repeat++) {
      src = src.unaryExpr(RandomOp());
      dst = src.template cast<DstType>();
 
      for (Index j = 0; j < testCols; j++)
        for (Index i = 0; i < testRows; i++) {
          SrcType srcVal = src(i, j);
          DstType refVal = internal::cast_impl<SrcType, DstType>::run(srcVal);
          DstType dstVal = dst(i, j);
          bool isApprox = verifyIsApprox(dstVal, refVal);
          if (!isApprox)
            std::cout << type_name(srcVal) << ": [" << +srcVal << "] to " << type_name(dstVal) << ": [" << +dstVal
                      << "] != [" << +refVal << "]\n";
          VERIFY(isApprox);
        }
    }
  }

References Eigen::numext::div_ceil(), Eigen::Dynamic, i, Eigen::internal::isApprox(), j, cast_test_impl< SrcType, DstType, RowsAtCompileTime, ColsAtCompileTime >::MaxPacketSize, Eigen::internal::repeat(), run(), type_name(), VERIFY, and Eigen::verifyIsApprox().

Referenced by cast_tests_impl< RowsAtCompileTime, ColsAtCompileTime, ScalarTypes >::run().

Member Data Documentation

DstPacketSize

template<typename SrcType , typename DstType , int RowsAtCompileTime, int ColsAtCompileTime>

constexpr int cast_test_impl< SrcType, DstType, RowsAtCompileTime, ColsAtCompileTime >::DstPacketSize = internal::packet_traits<DstType>::size

staticconstexpr

MaxPacketSize

template<typename SrcType , typename DstType , int RowsAtCompileTime, int ColsAtCompileTime>

constexpr int cast_test_impl< SrcType, DstType, RowsAtCompileTime, ColsAtCompileTime >::MaxPacketSize = internal::plain_enum_max(SrcPacketSize, DstPacketSize)

staticconstexpr

Referenced by cast_test_impl< SrcType, DstType, RowsAtCompileTime, ColsAtCompileTime >::run().

SrcPacketSize

template<typename SrcType , typename DstType , int RowsAtCompileTime, int ColsAtCompileTime>

constexpr int cast_test_impl< SrcType, DstType, RowsAtCompileTime, ColsAtCompileTime >::SrcPacketSize = internal::packet_traits<SrcType>::size

staticconstexpr

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

• array_cwise.cpp