Legendre polynomials
      n=1       n=2       n=3       n=4       n=5
x = 0.20
    1.0000    0.2000   -0.4400   -0.2800    0.2320  routine FLEG
    1.0000    0.2000   -0.4400   -0.2800    0.2320  routine PLGNDR

x = 0.40
    1.0000    0.4000   -0.2600   -0.4400   -0.1130  routine FLEG
    1.0000    0.4000   -0.2600   -0.4400   -0.1130  routine PLGNDR

x = 0.60
    1.0000    0.6000    0.0400   -0.3600   -0.4080  routine FLEG
    1.0000    0.6000    0.0400   -0.3600   -0.4080  routine PLGNDR

x = 0.80
    1.0000    0.8000    0.4600    0.0800   -0.2330  routine FLEG
    1.0000    0.8000    0.4600    0.0800   -0.2330  routine PLGNDR

x = 1.00
    1.0000    1.0000    1.0000    1.0000    1.0000  routine FLEG
    1.0000    1.0000    1.0000    1.0000    1.0000  routine PLGNDR