38 lines
791 B
Factor
38 lines
791 B
Factor
! Copyright (C) 2004, 2006 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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IN: math-internals
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USING: math kernel ;
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: float= ( n n -- ? )
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#! The compiler replaces this with a better intrinsic.
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[ double>bits ] 2apply number= ; foldable
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IN: math
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UNION: real rational float ;
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M: real abs dup 0 < [ neg ] when ;
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M: real absq sq ;
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M: real hashcode >fixnum ;
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M: real <=> - ;
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: fp-nan? ( float -- ? )
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double>bits -51 shift BIN: 111111111111 [ bitand ] keep = ;
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M: float zero?
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dup 0.0 float= swap -0.0 float= or ;
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M: float < float< ;
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M: float <= float<= ;
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M: float > float> ;
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M: float >= float>= ;
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M: float number= float= ;
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M: float + float+ ;
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M: float - float- ;
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M: float * float* ;
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M: float / float/f ;
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M: float /f float/f ;
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M: float mod float-mod ;
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