ds022.hs:24:1: warning: [-Woverlapping-patterns (in -Wdefault)]
    Pattern match is redundant
    In an equation for ‘i’: i 1 0.011e2 = ...

ds022.hs:25:1: warning: [-Woverlapping-patterns (in -Wdefault)]
    Pattern match is redundant
    In an equation for ‘i’: i 2 2.20000 = ...