Precision

L1 error

L2 error

L error

h

hu

h

hu

h

hu

Single

2.8332E−07

9.6354E−07

3.2775E−07

9.2332E−07

7.8214E−07

5.2364E−07

Double

3.4775E−15

6.0128E−016

2.7901E−15

1.3445E−015

5.3291E−15

3.0064E−015

Quadruple

9.6563E−32

5.4347E−32

4.3928E−32

4.3928E−32

5.9284E−32

3.9258E−33