Applies a unary callback to elements in a strided input array according to elements in a strided mask array and assigns results to elements in a strided output array.
param
array-like object containing one input array, a mask array, and one output array
param
array-like object containing a single element, the number of indexed elements
param
array-like object containing the stride lengths for the strided arrays
Callback invoked for each indexed strided array element.
strided array element
result