56 lines
2.0 KiB
JavaScript
56 lines
2.0 KiB
JavaScript
/*
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Copyright 2019 0KIMS association.
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This file is part of websnark (Web Assembly zkSnark Prover).
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websnark 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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websnark 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 websnark. If not, see <https://www.gnu.org/licenses/>.
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*/
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const bigInt = require("big-integer");
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const utils = require("./utils.js");
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module.exports = function buildTestF1(module) {
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const q = bigInt("21888242871839275222246405745257275088696311157297823662689037894645226208583");
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const pR2 = module.modules.f1m.pR2;
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const n8 = module.modules.f1m.n64*8;
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const pR3 = module.alloc(utils.bigInt2BytesLE(bigInt.one.shiftLeft(256).square().mod(q).shiftRight(128), n8));
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function buildTestF1() {
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const f = module.addFunction("testF1");
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f.addParam("n", "i32");
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f.addLocal("i", "i32");
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const c = f.getCodeBuilder();
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const pAux1 = module.alloc(n8);
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f.addCode(c.setLocal("i", c.getLocal("n")));
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f.addCode(c.block(c.loop(
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// c.call("f1m_add", c.i32_const(pR2), c.i32_const(pR2), c.i32_const(pAux1)),
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c.call("f1m_mul", c.i32_const(pR2), c.i32_const(pR2), c.i32_const(pAux1)),
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// c.call("int_div", c.i32_const(pR2), c.i32_const(pR3), c.i32_const(pAux1), c.i32_const(0)),
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c.setLocal("i", c.i32_sub(c.getLocal("i"), c.i32_const(1))),
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c.br_if(1, c.i32_eqz ( c.getLocal("i") )),
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c.br(0)
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)));
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}
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buildTestF1();
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module.exportFunction("testF1");
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};
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