

def rotate(self, angle):
    s = math.sin((- angle))
    c = math.cos((- angle))
    a = self.matrix[0]
    b = self.matrix[1]
    m1 = (a * c)
    m2 = (b * s)
    self.matrix[0] = (m1 - m2)
    m1 = (a * m2)
    m2 = (b * c)
    self.matrix[1] = (m1 + m2)
    a = self.matrix[3]
    b = self.matrix[4]
    m1 = (a * c)
    m2 = (b * s)
    self.matrix[3] = (m1 - m2)
    m1 = (a * s)
    m2 = (b * c)
    self.matrix[4] = (m1 + m2)

dataset/ETHPy150Open anandology/pyjamas/library/gwt/Canvas/GWTCanvasImplIE6.py GWTCanvasImplIE6.rotate/VarMisuse@88/89 `s`->`m2`