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37 lines
1022 B
37 lines
1022 B
/*
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Copyright 2018 0KIMS association.
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This file is part of circom (Zero Knowledge Circuit Compiler).
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circom is a free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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circom is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License for more details.
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You should have received a copy of the GNU General Public License
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along with circom. If not, see <https://www.gnu.org/licenses/>.
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*/
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template toBin(n) {
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signal input inp;
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signal output out[n];
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var lc1=0;
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for (var i = 0; i<n; i++) {
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out[i] <-- (inp >> i) & 1;
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out[i] * (out[i] -1 ) === 0;
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lc1 += out[i] * 2**i;
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}
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lc1 === inp;
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}
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component toBin(3) main;
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