31 lines
1011 B
Factor
31 lines
1011 B
Factor
! Copyright (C) 2008 Doug Coleman.
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! See http://factorcode.org/license.txt for BSD license.
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USING: tools.test math.floating-point kernel
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math.constants fry sequences math random ;
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IN: math.floating-point.tests
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{ t } [ pi >double< >double pi = ] unit-test
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{ t } [ -1.0 >double< >double -1.0 = ] unit-test
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{ t } [ 1/0. infinity? ] unit-test
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{ t } [ -1/0. infinity? ] unit-test
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{ f } [ 0/0. infinity? ] unit-test
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{ f } [ 10. infinity? ] unit-test
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{ f } [ -10. infinity? ] unit-test
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{ f } [ 0. infinity? ] unit-test
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{ 0 } [ 0.0 double>ratio ] unit-test
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{ 1 } [ 1.0 double>ratio ] unit-test
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{ 1/2 } [ 0.5 double>ratio ] unit-test
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{ 3/4 } [ 0.75 double>ratio ] unit-test
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{ 12+1/2 } [ 12.5 double>ratio ] unit-test
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{ -12-1/2 } [ -12.5 double>ratio ] unit-test
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{ 3+39854788871587/281474976710656 } [ pi double>ratio ] unit-test
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: roundtrip ( n -- )
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[ '[ _ ] ] keep '[ _ double>ratio >float ] unit-test ;
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{ 1 12 123 1234 } [ bits>double roundtrip ] each
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100 [ -10.0 10.0 uniform-random-float roundtrip ] times
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