flonum-type istype? -rot 2drop boolean-type
; 1 make-fa-primitive flonum?
+:noname ( args -- boolobj )
+ ratnum-type istype? -rot 2drop boolean-type
+; 1 make-fa-primitive ratnum?
+
:noname ( args -- boolobj )
character-type istype? -rot 2drop boolean-type
; 1 make-fa-primitive char?
swap negate swap
; 1 make-fa-primitive fix:neg
-( Find the GCD of n1 and n2 where n2 < n1. )
-: gcd ( n1 n2 -- m )
-
-;
+:noname ( fixnum -- -fixnum )
+ swap abs swap
+; 1 make-fa-primitive fix:abs
+
+:noname ( fixnum fixnum -- fixnum' )
+ drop swap drop gcd fixnum-type
+; 2 make-fa-primitive fix:gcd
\ --- Flonums ---
drop swap drop f/ fatan flonum-type
; 2 make-fa-primitive flo:atan2
+\ --- Rationals ---
+
+' make-rational 2 make-fa-primitive make-rational
+
+:noname ( ratnum -- fixnum )
+ drop pair-type car
+; 1 make-fa-primitive rat:numerator
+
+:noname ( ratnum -- fixnum )
+ drop pair-type cdr
+; 1 make-fa-primitive rat:denominator
\ --- Conversion ---