lagrange_2d running 
x=  1.00000, y=  1.00000, z=  1.00000 
x=  1.10000, y=  1.00000, z=  0.32623 
x=  1.10000, y=  1.10000, z=  0.22431 
x=  1.20000, y=  1.00000, z=  0.09147 
x=  1.20000, y=  1.10000, z=  0.06032 
x=  1.20000, y=  1.20000, z=  0.04758 
x=  1.30000, y=  1.00000, z=  0.02005 
x=  1.30000, y=  1.10000, z=  0.01352 
x=  1.30000, y=  1.20000, z=  0.01156 
x=  1.30000, y=  1.30000, z=  0.01003 
x=  1.40000, y=  1.00000, z=  0.00248 
x=  1.40000, y=  1.10000, z=  0.00245 
x=  1.40000, y=  1.20000, z=  0.00288 
x=  1.40000, y=  1.30000, z=  0.00245 
x=  1.40000, y=  1.40000, z=  0.00151 
x=  1.50000, y=  1.00000, z=  0.00000 
x=  1.50000, y=  1.10000, z=  0.00058 
x=  1.50000, y=  1.20000, z=  0.00101 
x=  1.50000, y=  1.30000, z=  0.00084 
x=  1.50000, y=  1.40000, z=  0.00033 
x=  1.50000, y=  1.50000, z=  0.00000 
x=  1.60000, y=  1.00000, z=  0.00063 
x=  1.60000, y=  1.10000, z=  0.00057 
x=  1.60000, y=  1.20000, z=  0.00064 
x=  1.60000, y=  1.30000, z=  0.00052 
x=  1.60000, y=  1.40000, z=  0.00031 
x=  1.60000, y=  1.50000, z=  0.00022 
x=  1.60000, y=  1.60000, z=  0.00067 
x=  1.70000, y=  1.00000, z=  0.00124 
x=  1.70000, y=  1.10000, z=  0.00072 
x=  1.70000, y=  1.20000, z=  0.00057 
x=  1.70000, y=  1.30000, z=  0.00045 
x=  1.70000, y=  1.40000, z=  0.00036 
x=  1.70000, y=  1.50000, z=  0.00039 
x=  1.70000, y=  1.60000, z=  0.00072 
x=  1.70000, y=  1.70000, z=  0.00184 
x=  1.80000, y=  1.00000, z=  0.00118 
x=  1.80000, y=  1.10000, z=  0.00068 
x=  1.80000, y=  1.20000, z=  0.00053 
x=  1.80000, y=  1.30000, z=  0.00041 
x=  1.80000, y=  1.40000, z=  0.00032 
x=  1.80000, y=  1.50000, z=  0.00033 
x=  1.80000, y=  1.60000, z=  0.00058 
x=  1.80000, y=  1.70000, z=  0.00133 
x=  1.80000, y=  1.80000, z=  0.00297 
x=  1.90000, y=  1.00000, z=  0.00055 
x=  1.90000, y=  1.10000, z=  0.00049 
x=  1.90000, y=  1.20000, z=  0.00052 
x=  1.90000, y=  1.30000, z=  0.00040 
x=  1.90000, y=  1.40000, z=  0.00022 
x=  1.90000, y=  1.50000, z=  0.00014 
x=  1.90000, y=  1.60000, z=  0.00036 
x=  1.90000, y=  1.70000, z=  0.00104 
x=  1.90000, y=  1.80000, z=  0.00208 
x=  1.90000, y=  1.90000, z=  0.00277 
x=  2.00000, y=  1.00000, z=  0.00000 
x=  2.00000, y=  1.10000, z=  0.00044 
x=  2.00000, y=  1.20000, z=  0.00073 
x=  2.00000, y=  1.30000, z=  0.00056 
x=  2.00000, y=  1.40000, z=  0.00020 
x=  2.00000, y=  1.50000, z=  0.00000 
x=  2.00000, y=  1.60000, z=  0.00029 
x=  2.00000, y=  1.70000, z=  0.00121 
x=  2.00000, y=  1.80000, z=  0.00223 
x=  2.00000, y=  1.90000, z=  0.00180 
x=  2.00000, y=  2.00000, z=  0.00000 
lagrange_2d finished