// Odd Number of Points
// Natural Frequency Order: -(n-1)/2...-1,0,1...(n-1)/2
// Fourier Frequency Order: 0, 1..(n-1)/2,-(n-1)/2...-1
// Odd Number of Points
// Natural Frequency Order: -(n-1)/2...-1,0,1...(n-1)/2
// Fourier Frequency Order: 0, 1..(n-1)/2,-(n-1)/2...-1