1 ! Copyright (C) 2010 Joe Groff.
2 ! See http://factorcode.org/license.txt for BSD license.
3 USING: combinators combinators.short-circuit
4 compiler.tree.propagation.transforms kernel math
5 sequences sequences.private ;
9 : (unrolled-each-integer) ( quot n -- )
10 swap '[ _ call( i -- ) ] each-integer ;
12 << \ (unrolled-each-integer) [
13 <iota> [ '[ _ swap call( i -- ) ] ] [ ] map-as '[ _ cleave ]
14 ] 1 define-partial-eval >>
16 : (unrolled-collect) ( quot into -- quot' )
17 '[ dup @ swap _ set-nth-unsafe ] ; inline
21 : unrolled-each-integer ( n quot: ( i -- ) -- )
22 swap (unrolled-each-integer) ; inline
24 : unrolled-collect ( n quot: ( n -- value ) into -- )
25 (unrolled-collect) unrolled-each-integer ; inline
27 : unrolled-map-integers ( n quot: ( n -- value ) exemplar -- newseq )
28 overd [ [ unrolled-collect ] keep ] new-like ; inline
30 ERROR: unrolled-bounds-error
33 ERROR: unrolled-2bounds-error
34 xseq yseq unroll-length ;
37 : unrolled-bounds-check ( seq len quot -- seq len quot )
38 2over swap length > [ 2over unrolled-bounds-error ] when ; inline
40 :: unrolled-2bounds-check ( xseq yseq len quot -- xseq yseq len quot )
41 { [ len xseq length > ] [ len yseq length > ] } 0||
42 [ xseq yseq len unrolled-2bounds-error ]
43 [ xseq yseq len quot ] if ; inline
45 : (unrolled-each) ( seq len quot -- len quot )
46 swapd '[ _ nth-unsafe @ ] ; inline
48 : (unrolled-each-index) ( seq len quot -- len quot )
49 swapd '[ dup _ nth-unsafe swap @ ] ; inline
51 : (unrolled-2each) ( xseq yseq len quot -- len quot )
52 [ '[ _ ] 2dip ] dip (2each) nip ; inline
54 : unrolled-each-unsafe ( seq len quot: ( x -- ) -- )
55 (unrolled-each) unrolled-each-integer ; inline
57 : unrolled-2each-unsafe ( xseq yseq len quot: ( x y -- ) -- )
58 (unrolled-2each) unrolled-each-integer ; inline
60 : unrolled-each-index-unsafe ( seq len quot: ( x -- ) -- )
61 (unrolled-each-index) unrolled-each-integer ; inline
63 : unrolled-map-as-unsafe ( seq len quot: ( x -- newx ) exemplar -- newseq )
64 [ (unrolled-each) ] dip unrolled-map-integers ; inline
66 : unrolled-2map-as-unsafe ( xseq yseq len quot: ( x y -- newx ) exemplar -- newseq )
67 [ (unrolled-2each) ] dip unrolled-map-integers ; inline
69 : unrolled-map-unsafe ( seq len quot: ( x -- newx ) -- newseq )
70 pick unrolled-map-as-unsafe ; inline
72 : unrolled-2map-unsafe ( xseq yseq len quot: ( x y -- newx ) -- newseq )
73 reach unrolled-2map-as-unsafe ; inline
77 : unrolled-each ( seq len quot: ( x -- ) -- )
78 unrolled-bounds-check unrolled-each-unsafe ; inline
80 : unrolled-2each ( xseq yseq len quot: ( x y -- ) -- )
81 unrolled-2bounds-check unrolled-2each-unsafe ; inline
83 : unrolled-each-index ( seq len quot: ( x i -- ) -- )
84 unrolled-bounds-check unrolled-each-index-unsafe ; inline
86 : unrolled-map-as ( seq len quot: ( x -- newx ) exemplar -- newseq )
87 [ unrolled-bounds-check ] dip unrolled-map-as-unsafe ; inline
89 : unrolled-2map-as ( xseq yseq len quot: ( x y -- newx ) exemplar -- newseq )
90 [ unrolled-2bounds-check ] dip unrolled-2map-as-unsafe ; inline
92 : unrolled-map ( seq len quot: ( x -- newx ) -- newseq )
93 pick unrolled-map-as ; inline
95 : unrolled-2map ( xseq yseq len quot: ( x y -- newx ) -- newseq )
96 reach unrolled-2map-as ; inline
98 : unrolled-map-index ( seq len quot: ( x i -- newx ) -- newseq )
99 [ dup length <iota> ] 2dip unrolled-2map ; inline