* Return a distinct random integer in greater or equal to 0 and less * than 'n' on each call. It should be called maximum 'n' times. * Retur

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@brief Returns the type of a matrix element. The method returns a matrix element type. This is an identifier compatible with the CvMat type

Some frequent operations **/

Copy the set to two C arrays * @param indices pointer to a C array of indices * @param dist pointer to a C array of distances * @param

Returns true if the any contains no value.