+oo +oo +oo +oo 
0 0 0 0 
0 -1 0 0 
ERROR ERROR 0 0 
0 ERROR 0 0 
ERROR 0 0 0 
ERROR ERROR 0 0 
1 0 0 0 
ERROR 1 0 0 
0 0 ERROR 0 
1 0 0 0 
0 1 1 ERROR 
  ***   at top-level: valuation(0,1)
  ***                 ^--------------
  *** valuation: domain error in gvaluation: p = 1
  ***   at top-level: valuation(0,-1)
  ***                 ^---------------
  *** valuation: domain error in gvaluation: p = -1
  ***   at top-level: valuation(0,0)
  ***                 ^--------------
  *** valuation: domain error in gvaluation: p = 0
  ***   at top-level: valuation(0,I)
  ***                 ^--------------
  *** valuation: domain error in gvaluation: p = I
2
0
2
1.0000000000000000000000000000000000000 - 1.00000000000000000000000000000000
00000*x + O(x^2)
1
O(x)
-oo
-oo
-oo
2
2
2
1
1
+oo
+oo
+oo
  ***   at top-level: valuation(Pi)
  ***                 ^-------------
  *** valuation: incorrect type in gvaluation (t_REAL).
Total time spent: 1
