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21 lines
400 B
21 lines
400 B
/*
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Assume sel is binary.
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If sel == 0 then outL = L and outR=R
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If sel == 1 then outL = R and outR=L
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*/
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template Switcher() {
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signal input sel;
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signal input L;
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signal input R;
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signal output outL;
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signal output outR;
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signal aux;
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aux <== (R-L)*sel; // We create aux in order to have only one multiplication
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outL <== aux + L;
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outR <== -aux + R;
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}
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