52 lines
1.8 KiB
Factor
52 lines
1.8 KiB
Factor
! Copyright (C) 2009 Doug Coleman.
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! See http://factorcode.org/license.txt for BSD license.
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USING: continuations decimals grouping kernel kernel.private literals
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locals math math.functions math.order random tools.test ;
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IN: decimals.tests
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{ t } [
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DECIMAL: 12.34 DECIMAL: 00012.34000 =
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] unit-test
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: random-test-int ( -- n )
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10 random 2 random 0 = [ neg ] when ;
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: random-test-decimal ( -- decimal )
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random-test-int random-test-int <decimal> ;
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ERROR: decimal-test-failure D1 D2 quot ;
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:: (test-decimal-op) ( D1 D2 quot1 quot2 -- ? )
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D1 D2
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quot1 [ decimal>ratio >float ] compose
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[ [ decimal>ratio ] bi@ quot2 call( obj obj -- obj ) >float ] 2bi -.1 ~
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[ t ] [ D1 D2 quot1 decimal-test-failure ] if ; inline
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: test-decimal-op ( quot1 quot2 -- ? )
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[ random-test-decimal random-test-decimal ] 2dip (test-decimal-op) ; inline
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{ t } [ 1000 [ drop [ D+ ] [ + ] test-decimal-op ] all-integers? ] unit-test
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{ t } [ 1000 [ drop [ D- ] [ - ] test-decimal-op ] all-integers? ] unit-test
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{ t } [ 1000 [ drop [ D* ] [ * ] test-decimal-op ] all-integers? ] unit-test
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{ t } [
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1000 [
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drop
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[ [ 100 D/ ] [ /f ] test-decimal-op ]
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[ ${ KERNEL-ERROR ERROR-DIVIDE-BY-ZERO f f } = ] recover
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] all-integers?
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] unit-test
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{ t } [
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{ DECIMAL: 0. DECIMAL: .0 DECIMAL: 0.0 DECIMAL: 00.00 DECIMAL: . } all-equal?
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] unit-test
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{ t } [ T{ decimal f 90 0 } T{ decimal f 9 1 } = ] unit-test
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{ t } [ DECIMAL: 1 DECIMAL: 2 before? ] unit-test
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{ f } [ DECIMAL: 2 DECIMAL: 2 before? ] unit-test
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{ f } [ DECIMAL: 3 DECIMAL: 2 before? ] unit-test
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{ f } [ DECIMAL: -1 DECIMAL: -2 before? ] unit-test
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{ f } [ DECIMAL: -2 DECIMAL: -2 before? ] unit-test
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{ t } [ DECIMAL: -3 DECIMAL: -2 before? ] unit-test
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{ t } [ DECIMAL: .5 DECIMAL: 0 DECIMAL: 1.0 between? ] unit-test
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