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Mojo function

cumsum

def cumsum[dtype: DType](dst: Span[Scalar[dtype]], src: Span[Scalar[dtype]])

Computes the cumulative sum of all elements in a buffer. dst[i] = src[i] + src[i-1] + ... + src[0].

Parameters:

dtype (DType): The dtype of the input.

Args:

dst (Span[Scalar[dtype]]): The buffer that stores the result of cumulative sum operation.
src (Span[Scalar[dtype]]): The buffer of elements for which the cumulative sum is computed.