fixnum-tests.scm

来自「Scheme跨平台编译器」· SCM 代码 · 共 13 行

(define (fxo+ x y) (##core#inline "C_i_o_fixnum_plus" x y))
(define (fxo- x y) (##core#inline "C_i_o_fixnum_difference" x y))

(assert (= 4 (fxo+ 2 2)))
(assert (= -26 (fxo+ 74 -100)))
(assert (= 1073741823 (fxo+ #x3ffffffe 1)))
(assert (not (fxo+ #x3fffffff 1)))
(assert (= 4 (fxo- 6 2)))
(assert (= -4 (fxo- 1000 1004)))
(assert (= 2004 (fxo- 1000 -1004)))
(assert (= -1073741824 (fxo- (- #x3fffffff) 1)))
(assert (not (fxo- (- #x3fffffff) 2)))