a = float ( '-nan' ) <EOL>
b = float ( '-nan' ) <EOL>
c = float ( 'inf' ) <EOL>
d = float ( '-inf' ) <EOL>
e = float ( 'nan' ) <EOL>
f = float ( '-nan' ) <EOL>
g = float ( 'inf' ) <EOL>
h = float ( '-inf' ) <EOL>
