parameters: (w,h)
return_statement: return e-a
docstring: calculate the y poistion of the center circle of a basket arch given half the width and the height.
docstring_summary: calculate the y poistion of the center circle of a basket arch given half the width and the height.
docstring_tokens: calculate the y poistion of the center circle of a basket arch given half the width and the height .
function: def R(w,h):
  	"""
  	calculate the y poistion of the center circle of a basket arch given half the width and the height.
  	"""
  	a = h/3.0
  	beta = atan2(a,w)
  	c = sqrt(a**2 + w**2)
  	d = c/2.0
  	e = d/sin(beta)
  	return e-a
function_tokens: def R ( w , h ) : a = h / 3.0 beta = atan2 ( a , w ) c = sqrt ( a ** 2 + w ** 2 ) d = c / 2.0 e = d / sin ( beta ) return e - a