BLEND

THE BOX'S MAIN HELP:
This function returns a smoothed value between [0,1]
based on where the edge lies in [MID-FUZ,MID+FUZ].
MID is the median value of the edge.
FUZ is the width of the fuzzing.
EDG is the edge in need of fuzzing.

MID (input):
This must be a float.
This is the median value of the edge.

FUZ (input):
This must be a float.
This is the width of the fuzzing.

EDG (input):
This must be a float.
This is the edge in need of fuzzing.

OUT (output):
This function returns a smoothed value between [0,1]
based on where the edge lies in [MID-FUZ,MID+FUZ].

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