(/ pi 2) as a single-float.
(/ pi 2)
graphics-ports
The constant fpi-by-2 is the result of (float (* 0.5 cl:pi) 1.0). It is a cl:single-float.
fpi-by-2
(float (* 0.5 cl:pi) 1.0)
fpif2pi
CAPI User Guide and Reference Manual (Windows version) - 01 Dec 2021 19:34:15