Change test results

Author: cclauss

maths/radix2_fft.py

@@ -40,13 +40,13 @@ class FFT:
 
     Print product
     >>> x.product  # 2x + 3x^2 + 8x^3 + 4x^4 + 6x^5
-    [(-0+0j), (2+0j), (3+0j), (8+0j), (6+0j), (8+0j)]
+    [(-0-0j), (2+0j), (3-0j), (8-0j), (6+0j), (8+0j)]
 
     __str__ test
     >>> print(x)
     A = 0*x^0 + 1*x^1 + 2*x^0 + 3*x^2
     B = 0*x^2 + 1*x^3 + 2*x^4
-    A*B = 0*x^(-0+0j) + 1*x^(2+0j) + 2*x^(3+0j) + 3*x^(8+0j) + 4*x^(6+0j) + 5*x^(8+0j)
+    A*B = 0*x^(-0-0j) + 1*x^(2+0j) + 2*x^(3-0j) + 3*x^(8-0j) + 4*x^(6+0j) + 5*x^(8+0j)
     """
 
     def __init__(self, poly_a=None, poly_b=None):