2009-09-24 23:11:23 -04:00
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! Copyright (C) 2009 Doug Coleman.
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! See http://factorcode.org/license.txt for BSD license.
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USING: decimals kernel locals math math.combinatorics math.ranges
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sequences ;
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IN: benchmark.e-decimals
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2009-09-25 00:41:34 -04:00
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: D-factorial ( n -- D! )
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2010-01-14 13:08:22 -05:00
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iota D: 1 [ 0 <decimal> D: 1 D+ D* ] reduce ; inline
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2009-09-25 00:41:34 -04:00
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2009-09-24 23:11:23 -04:00
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:: calculate-e-decimals ( n -- e )
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2009-09-25 00:41:34 -04:00
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n [1,b] D: 1
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[ D-factorial D: 1 swap n D/ D+ ] reduce ;
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2009-09-24 23:11:23 -04:00
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: calculate-e-decimals-benchmark ( -- )
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5 [ 800 calculate-e-decimals drop ] times ;
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MAIN: calculate-e-decimals-benchmark
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