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# #

# QUANTUM FOURIER TRANSFORM #

# #

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#' @title

#' Quantum Fourier Transform

#'

#' @description

#' This function performs Quantum Fourier Transform for a given state \code{|y>} from the computational basis to the Fourier basis.

#'

#' @param y an integer

#'

#' @usage

#' QFT(y)

#'

#' @return A vector representing the Quantum Fourier transformation of the state \code{|y>} from the computational basis to the Fourier basis.

#'

#' @references

#' \url{https://arxiv.org/pdf/quant-ph/0506219.pdf}\cr

#' \url{https://books.google.co.in/books?id=66TgFp2YqrAC&pg=PA25&redir_esc=y}\cr

#' \url{https://en.wikipedia.org/wiki/Quantum_Fourier_transform}\cr

#'

#'

#' @examples

#' init()

#' QFT(5)

#'

#' @export

#'

QFT <- function(y){

}