/// <summary>
/// Performs the per-element comparison of two arrays or an array and scalar value.
/// </summary>
/// <param name="src1">first input array or a scalar; when it is an array, it must have a single channel.</param>
/// <param name="src2">second input array or a scalar; when it is an array, it must have a single channel.</param>
/// <param name="dst">output array of type ref CV_8U that has the same size and the same number of channels as the input arrays.</param>
/// <param name="cmpop">a flag, that specifies correspondence between the arrays (cv::CmpTypes)</param>
public static void Compare(InputArray src1, InputArray src2, OutputArray dst, CmpTypes cmpop)
{
if (src1 == null)
throw new ArgumentNullException("src1");
if (src2 == null)
throw new ArgumentNullException("src2");
if (dst == null)
throw new ArgumentNullException("dst");
src1.ThrowIfDisposed();
src2.ThrowIfDisposed();
dst.ThrowIfNotReady();
NativeMethods.core_compare(src1.CvPtr, src2.CvPtr, dst.CvPtr, (int)cmpop);
GC.KeepAlive(src1);
GC.KeepAlive(src2);
dst.Fix();
}
/// <summary>
/// Compares elements of two matrices (or of a matrix and scalar).
/// </summary>
/// <param name="src1">First source matrix or scalar.</param>
/// <param name="src2">Second source matrix or scalar.</param>
/// <param name="dst">Destination matrix that has the same size as the input array(s) and type CV_8U.</param>
/// <param name="cmpop">Flag specifying the relation between the elements to be checked:
/// - **CMP_EQ:** a(.) == b(.)
/// - **CMP_GT:** a(.) \> b(.)
/// - **CMP_GE:** a(.) \>= b(.)
/// - **CMP_LT:** a(.) \< b(.)\
/// - **CMP_LE:** a(.) \<= b(.)
/// - **CMP_NE:** a(.) != b(.)</param>
/// <param name="stream">Stream for the asynchronous version.</param>
public static void compare(InputArray src1, InputArray src2, OutputArray dst, CmpTypes cmpop, Stream stream = null)
{
if (src1 == null)
{
throw new ArgumentNullException(nameof(src1));
}
if (src2 == null)
{
throw new ArgumentNullException(nameof(src2));
}
if (dst == null)
{
throw new ArgumentNullException(nameof(dst));
}
src1.ThrowIfDisposed();
src2.ThrowIfDisposed();
dst.ThrowIfNotReady();
NativeMethods.cuda_arithm_compare(src1.CvPtr, src2.CvPtr, dst.CvPtr, (int)cmpop, stream?.CvPtr ?? Stream.Null.CvPtr);
GC.KeepAlive(src1);
GC.KeepAlive(src2);
GC.KeepAlive(dst);
dst.Fix();
}
