def bi_zeros(nt):
 kf = 2
 if ((not isscalar(nt)) or (floor(nt) != nt) or (nt <= 0)):
  raise ValueError('nt must be a positive integer scalar.')
 return specfun.airyzo(nt, kf)

def bi_zeros ( nt ) : kf = 2 if ( ( not isscalar ( nt ) ) or ( floor ( nt ) != nt ) or ( nt <= 0 ) ) : raise ValueError ( 'nt must be a positive integer scalar.' ) return specfun . airyzo ( nt , kf )
compute nt zeros and values of the airy function bi and its derivative .