yandextank/stepper/util.py
def solve_quadratic(a, b, c):
    '''
    >>> solve_quadratic(1.0, 2.0, 1.0)
    (-1.0, -1.0)
    '''
    discRoot = math.sqrt((b * b) - 4 * a * c)
    root1 = (-b - discRoot) / (2 * a)
    root2 = (-b + discRoot) / (2 * a)
    return (root1, root2)
def solve_quadratic(a, b, c):
    '''
    >>> solve_quadratic(1.0, 2.0, 1.0)
    (-1.0, -1.0)
    '''
    discRoot = math.sqrt((b * b) - 4 * a * c)
    root1 = (-b - discRoot) / (2 * a)
    root2 = (-b + discRoot) / (2 * a)
    return (root1, root2)
def solve_quadratic ( a , b , c ) : discRoot = math . sqrt ( ( b * b ) - 4 * a * c ) root1 = ( - b - discRoot ) / ( 2 * a ) root2 = ( - b + discRoot ) / ( 2 * a ) return ( root1 , root2 )
>>> solve_quadratic(1.0, 2.0, 1.0)
    (-1.0, -1.0)
>>> solve_quadratic ( 1 . 0 2 . 0 1 . 0 ) ( - 1 . 0 - 1 . 0 )