You might have a bug in the code. >>> horizontal = chordCalc([[-1,0],[1,0]]) >>> distance(horizontal) 2.0 All good so far, but >>> diagonal =

You might have a bug in the code. >>> horizontal = chordCalc([[-1,0],[1,0]]) >>> distance(horizontal) 2.0 All good so far, but >>> diagonal = chordCalc([[-1,-1],[1,1]]) >>> distance(diagonal) 1.4142135623730951 shouldn't this give 2.0 as well?