Beta 7 with some repo names changed.
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Luis Fernando Molina committed
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+78
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{
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"_from": "bn.js@^4.11.6",
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"_id": "bn.js@4.11.9",
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"_inBundle": false,
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"_integrity": "sha512-E6QoYqCKZfgatHTdHzs1RRKP7ip4vvm+EyRUeE2RF0NblwVvb0p6jSVeNTOFxPn26QXN2o6SMfNxKp6kU8zQaw==",
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"_location": "/bn.js",
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"_phantomChildren": {},
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"_requested": {
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"type": "range",
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"registry": true,
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"raw": "bn.js@^4.11.6",
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"name": "bn.js",
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"escapedName": "bn.js",
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"rawSpec": "^4.11.6",
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"saveSpec": null,
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"fetchSpec": "^4.11.6"
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},
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"_requiredBy": [
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"/@ethersproject/address",
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"/@ethersproject/bignumber",
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"/asn1.js",
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"/create-ecdh",
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"/diffie-hellman",
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"/elliptic",
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"/eth-lib",
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"/ethereumjs-util",
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"/miller-rabin",
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"/public-encrypt",
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"/rlp",
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"/web3-eth-accounts/eth-lib",
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"/web3-eth-iban",
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"/web3-utils",
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"/web3-utils/eth-lib"
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],
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"_resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.9.tgz",
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"_shasum": "26d556829458f9d1e81fc48952493d0ba3507828",
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"_spec": "bn.js@^4.11.6",
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"_where": "C:\\Users\\Luis\\source\\repos\\AAMasters\\BackendServers\\node_modules\\eth-lib",
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"author": {
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"name": "Fedor Indutny",
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"email": "fedor@indutny.com"
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},
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"browser": {
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"buffer": false
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},
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"bugs": {
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"url": "https://github.com/indutny/bn.js/issues"
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},
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"bundleDependencies": false,
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"deprecated": false,
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"description": "Big number implementation in pure javascript",
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"devDependencies": {
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"istanbul": "^0.3.5",
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"mocha": "^2.1.0",
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"semistandard": "^7.0.4"
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},
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"homepage": "https://github.com/indutny/bn.js",
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"keywords": [
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"BN",
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"BigNum",
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"Big number",
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"Modulo",
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"Montgomery"
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],
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"license": "MIT",
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"main": "lib/bn.js",
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"name": "bn.js",
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"repository": {
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"type": "git",
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"url": "git+ssh://git@github.com/indutny/bn.js.git"
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},
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"scripts": {
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"lint": "semistandard",
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"test": "npm run lint && npm run unit",
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"unit": "mocha --reporter=spec test/*-test.js"
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},
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"version": "4.11.9"
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}
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+65
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'use strict';
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// NOTE: This could be potentionally used to generate loop-less multiplications
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function genCombMulTo (alen, blen) {
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var len = alen + blen - 1;
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var src = [
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'var a = self.words;',
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'var b = num.words;',
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'var o = out.words;',
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'var c = 0;',
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'var lo;',
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'var mid;',
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'var hi;'
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];
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for (var i = 0; i < alen; i++) {
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src.push('var a' + i + ' = a[' + i + '] | 0;');
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src.push('var al' + i + ' = a' + i + ' & 0x1fff;');
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src.push('var ah' + i + ' = a' + i + ' >>> 13;');
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}
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for (i = 0; i < blen; i++) {
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src.push('var b' + i + ' = b[' + i + '] | 0;');
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src.push('var bl' + i + ' = b' + i + ' & 0x1fff;');
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src.push('var bh' + i + ' = b' + i + ' >>> 13;');
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}
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src.push('');
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src.push('out.negative = self.negative ^ num.negative;');
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src.push('out.length = ' + len + ';');
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for (var k = 0; k < len; k++) {
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var minJ = Math.max(0, k - alen + 1);
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var maxJ = Math.min(k, blen - 1);
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src.push('\/* k = ' + k + ' *\/');
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src.push('var w' + k + ' = c;');
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src.push('c = 0;');
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for (var j = minJ; j <= maxJ; j++) {
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i = k - j;
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src.push('lo = Math.imul(al' + i + ', bl' + j + ');');
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src.push('mid = Math.imul(al' + i + ', bh' + j + ');');
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src.push('mid = (mid + Math.imul(ah' + i + ', bl' + j + ')) | 0;');
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src.push('hi = Math.imul(ah' + i + ', bh' + j + ');');
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src.push('w' + k + ' = (w' + k + ' + lo) | 0;');
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src.push('w' + k + ' = (w' + k + ' + ((mid & 0x1fff) << 13)) | 0;');
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src.push('c = (c + hi) | 0;');
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src.push('c = (c + (mid >>> 13)) | 0;');
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src.push('c = (c + (w' + k + ' >>> 26)) | 0;');
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src.push('w' + k + ' &= 0x3ffffff;');
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}
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}
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// Store in separate step for better memory access
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for (k = 0; k < len; k++) {
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src.push('o[' + k + '] = w' + k + ';');
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}
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src.push('if (c !== 0) {',
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' o[' + k + '] = c;',
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' out.length++;',
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'}',
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'return out;');
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return src.join('\n');
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}
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console.log(genCombMulTo(10, 10));
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+65
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'use strict';
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function genCombMulTo (alen, blen) {
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var len = alen + blen - 1;
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var src = [
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'var a = self.words;',
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'var b = num.words;',
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'var o = out.words;',
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'var c = 0;',
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'var lo;',
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'var mid;',
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'var hi;'
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];
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for (var i = 0; i < alen; i++) {
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src.push('var a' + i + ' = a[' + i + '] | 0;');
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src.push('var al' + i + ' = a' + i + ' & 0x1fff;');
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src.push('var ah' + i + ' = a' + i + ' >>> 13;');
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}
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for (i = 0; i < blen; i++) {
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src.push('var b' + i + ' = b[' + i + '] | 0;');
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src.push('var bl' + i + ' = b' + i + ' & 0x1fff;');
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src.push('var bh' + i + ' = b' + i + ' >>> 13;');
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}
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src.push('');
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src.push('out.negative = self.negative ^ num.negative;');
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src.push('out.length = ' + len + ';');
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for (var k = 0; k < len; k++) {
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var minJ = Math.max(0, k - alen + 1);
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var maxJ = Math.min(k, blen - 1);
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src.push('\/* k = ' + k + ' *\/');
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src.push('lo = Math.imul(al' + (k - minJ) + ', bl' + minJ + ');');
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src.push('mid = Math.imul(al' + (k - minJ) + ', bh' + minJ + ');');
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src.push(
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'mid = (mid + Math.imul(ah' + (k - minJ) + ', bl' + minJ + ')) | 0;');
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src.push('hi = Math.imul(ah' + (k - minJ) + ', bh' + minJ + ');');
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for (var j = minJ + 1; j <= maxJ; j++) {
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i = k - j;
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src.push('lo = (lo + Math.imul(al' + i + ', bl' + j + ')) | 0;');
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src.push('mid = (mid + Math.imul(al' + i + ', bh' + j + ')) | 0;');
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src.push('mid = (mid + Math.imul(ah' + i + ', bl' + j + ')) | 0;');
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src.push('hi = (hi + Math.imul(ah' + i + ', bh' + j + ')) | 0;');
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}
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src.push('var w' + k + ' = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;');
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src.push('c = (((hi + (mid >>> 13)) | 0) + (w' + k + ' >>> 26)) | 0;');
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src.push('w' + k + ' &= 0x3ffffff;');
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}
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// Store in separate step for better memory access
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for (k = 0; k < len; k++) {
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src.push('o[' + k + '] = w' + k + ';');
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}
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src.push('if (c !== 0) {',
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' o[' + k + '] = c;',
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' out.length++;',
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'}',
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'return out;');
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return src.join('\n');
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}
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console.log(genCombMulTo(10, 10));
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