annotate sequences/@extractdata/extractdata.m @ 2:7357e1dc2ad6
Simplified scheduler library with new schedule representation.
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samer |
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Sat, 22 Dec 2012 16:17:51 +0000 |
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672052bd81f8 |
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1 function o=extractdata(source,dim,range)
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2 % extractdata - Sequence of extracts from source sequence
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3 %
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4 % extractdata :: seq [[Size]], D:natural, [[2]->[Size(D)]] -> seq [[Size2]].
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5 %
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6 % extractdata is basically the same as fndata extract but more efficient.
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7
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8 sz=size(source);
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9 sz(dim)=range(2)-range(1)+1;
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10 o.dim=dim;
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11 o.range=range;
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12 o=class(o,'extractdata',ddata(source,sz,'datafn',@dfn,'stringfn',@sfn,'nextfn',@next_c));
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13
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14
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15 function x=dfn(o), x=extract(source(o),o.dim,o.range);
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16 function s=sfn(o)
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17 s=sprintf('[%d/%d:%d]', o.dim, o.range(1), o.range(2));
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