write_float(infinity) = infinity
write_float(-infinity) = -infinity
to infinity and beyond!
format(-infinity) = -infinity
is_infinite(infinity) = yes
is_infinite(-infinity) = yes
is_finite(infinity) = no
is_finite(-infinity) = no
is_nan(infinity) = no
is_nan(-infinity) = no
is_zero(infinity) = no
is_zero(-infinity) = no
abs(infinity) = infinity
abs(-infinity) = infinity
pow(infinity, 0) = 1.000000