#!+sb-doc
"Return BASE raised to the POWER."
(if (zerop power)
- (1+ (* base power))
+ (let ((result (1+ (* base power))))
+ (if (and (floatp result) (float-nan-p result))
+ (float 1 result)
+ result))
(labels (;; determine if the double float is an integer.
;; 0 - not an integer
;; 1 - an odd int