The FLI
:lisp-float
type converts between any Lisp float and either the C
float
or the C
double
type. The default is to convert to the C
float
type, but by specifying
:double
for
float-type
, conversion occurs between any Lisp float and the C
double
type.
LispWorks Foreign Language Interface User Guide and Reference Manual - 7 Dec 2011