32 lines
679 B
Scheme
32 lines
679 B
Scheme
;;; SUMLOOP -- One of the Kernighan and Van Wyk benchmarks.
|
|
|
|
(library (rnrs-benchmarks sumloop)
|
|
(export main)
|
|
(import (rnrs) (rnrs-benchmarks))
|
|
|
|
(define sum 0)
|
|
|
|
(define (tail-rec-aux i n)
|
|
(if (< i n)
|
|
(begin (set! sum (+ sum 1)) (tail-rec-aux (+ i 1) n))
|
|
sum))
|
|
|
|
(define (tail-rec-loop n)
|
|
(set! sum 0)
|
|
(tail-rec-aux 0 n)
|
|
sum)
|
|
|
|
(define (do-loop n)
|
|
(set! sum 0)
|
|
(do ((i 0 (+ i 1)))
|
|
((>= i n) sum)
|
|
(set! sum (+ sum 1))))
|
|
|
|
(define (main . args)
|
|
(run-benchmark
|
|
"sumloop"
|
|
sumloop-iters
|
|
(lambda (result) (equal? result 100000000))
|
|
(lambda (n) (lambda () (do-loop n)))
|
|
100000000)))
|