function isArcPrev(curve, circle) {
  return isArc(curve, {
    center: [circle.center[0] + curve[4], circle.center[1] + curve[5]],
    radius: circle.radius,
  });
}
Checks if a previous curve fits the given circle.

@param {ReadonlyArray<number>} curve
@param {Circle} circle
@returns {boolean}