70 lines
1.5 KiB
Factor
Executable File
70 lines
1.5 KiB
Factor
Executable File
! Copyright (C) 2004, 2007 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: kernel kernel.private sequences
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sequences.private math math.private combinators ;
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IN: math.integers.private
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M: integer numerator ;
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M: integer denominator drop 1 ;
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M: fixnum >fixnum ;
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M: fixnum >bignum fixnum>bignum ;
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M: fixnum number= eq? ;
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M: fixnum < fixnum< ;
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M: fixnum <= fixnum<= ;
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M: fixnum > fixnum> ;
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M: fixnum >= fixnum>= ;
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M: fixnum + fixnum+ ;
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M: fixnum - fixnum- ;
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M: fixnum * fixnum* ;
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M: fixnum /i fixnum/i ;
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M: fixnum mod fixnum-mod ;
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M: fixnum /mod fixnum/mod ;
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M: fixnum bitand fixnum-bitand ;
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M: fixnum bitor fixnum-bitor ;
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M: fixnum bitxor fixnum-bitxor ;
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M: fixnum shift >fixnum fixnum-shift ;
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M: fixnum bitnot fixnum-bitnot ;
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M: fixnum bit? 2^ bitand 0 > ;
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: (fixnum-log2) ( accum n -- accum )
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dup 1 number= [ drop ] [ >r 1+ r> 2/ (fixnum-log2) ] if ;
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inline
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M: fixnum (log2) 0 swap (fixnum-log2) ;
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M: bignum >fixnum bignum>fixnum ;
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M: bignum >bignum ;
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M: bignum number= bignum= ;
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M: bignum < bignum< ;
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M: bignum <= bignum<= ;
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M: bignum > bignum> ;
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M: bignum >= bignum>= ;
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M: bignum + bignum+ ;
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M: bignum - bignum- ;
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M: bignum * bignum* ;
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M: bignum /i bignum/i ;
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M: bignum mod bignum-mod ;
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M: bignum /mod bignum/mod ;
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M: bignum bitand bignum-bitand ;
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M: bignum bitor bignum-bitor ;
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M: bignum bitxor bignum-bitxor ;
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M: bignum shift bignum-shift ;
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M: bignum bitnot bignum-bitnot ;
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M: bignum bit? bignum-bit? ;
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M: bignum (log2) bignum-log2 ;
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M: integer zero? 0 number= ;
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