def test_get_quadratic_fit(self):
"""get quadratic fit"""
lf = LinCurveFit( self.myds, ['const', 'x', 'x**2'], fit_best_pcent=0)
val = lf.cArr[0]
refVal = 17.116
self.assertAlmostEqual(val, refVal)
val = lf.cArr[1]
refVal = -7.7477857
self.assertAlmostEqual(val, refVal)
val = lf.cArr[2]
refVal = 0.8353571428
self.assertAlmostEqual(val, refVal)
yArr = lf.eval_xrange( array([1.0, 2.0]) )
refVal = 4.9618571428571432
self.assertAlmostEqual(yArr[1], refVal)
