32 lines
679 B
Scheme
32 lines
679 B
Scheme
;;; SUMLOOP -- One of the Kernighan and Van Wyk benchmarks.
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(library (r6rs-benchmarks sumloop)
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(export main)
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(import (r6rs) (r6rs-benchmarks))
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(define sum 0)
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(define (tail-rec-aux i n)
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(if (< i n)
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(begin (set! sum (+ sum 1)) (tail-rec-aux (+ i 1) n))
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sum))
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(define (tail-rec-loop n)
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(set! sum 0)
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(tail-rec-aux 0 n)
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sum)
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(define (do-loop n)
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(set! sum 0)
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(do ((i 0 (+ i 1)))
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((>= i n) sum)
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(set! sum (+ sum 1))))
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(define (main . args)
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(run-benchmark
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"sumloop"
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sumloop-iters
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(lambda (result) (equal? result 100000000))
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(lambda (n) (lambda () (do-loop n)))
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100000000)))
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