-;; These values were taken from the alpha code. The values for
-;; bias and exponent min/max are not the same as shown in the 486 book.
-;; They may be correct for how Python uses them.
-(defconstant single-float-bias 126) ; Intel says 127
-(defconstant single-float-exponent-byte (byte 8 23))
-(defconstant single-float-significand-byte (byte 23 0))
-;; The 486 book shows the exponent range -126 to +127. The Lisp
-;; code that uses these values seems to want already biased numbers.
+;;; comment from CMU CL:
+;;; These values were taken from the alpha code. The values for
+;;; bias and exponent min/max are not the same as shown in the 486 book.
+;;; They may be correct for how Python uses them.
+(defconstant single-float-bias 126) ; Intel says 127.
+(defconstant-eqx single-float-exponent-byte (byte 8 23) #'equalp)
+(defconstant-eqx single-float-significand-byte (byte 23 0) #'equalp)
+;;; comment from CMU CL:
+;;; The 486 book shows the exponent range -126 to +127. The Lisp
+;;; code that uses these values seems to want already biased numbers.