39 lines
1.0 KiB
Factor
39 lines
1.0 KiB
Factor
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! Copyright (C) 2008 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: arrays kernel kernel.private math sequences
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sequences.private growable float-arrays prettyprint.backend
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parser ;
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IN: float-vectors
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<PRIVATE
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: float-array>vector ( float-array length -- float-vector )
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float-vector boa ; inline
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PRIVATE>
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: <float-vector> ( n -- float-vector )
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0.0 <float-array> 0 float-array>vector ; inline
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: >float-vector ( seq -- float-vector ) FV{ } clone-like ;
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M: float-vector like
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drop dup float-vector? [
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dup float-array?
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[ dup length float-array>vector ] [ >float-vector ] if
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] unless ;
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M: float-vector new-sequence
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drop [ 0.0 <float-array> ] keep >fixnum float-array>vector ;
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M: float-vector equal?
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over float-vector? [ sequence= ] [ 2drop f ] if ;
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M: float-array new-resizable drop <float-vector> ;
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INSTANCE: float-vector growable
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: FV{ \ } [ >float-vector ] parse-literal ; parsing
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M: float-vector pprint-delims drop \ FV{ \ } ;
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