diff options
Diffstat (limited to 'node_modules/bn.js/util/genCombMulTo10.js')
-rw-r--r-- | node_modules/bn.js/util/genCombMulTo10.js | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/node_modules/bn.js/util/genCombMulTo10.js b/node_modules/bn.js/util/genCombMulTo10.js deleted file mode 100644 index cf2e6e803..000000000 --- a/node_modules/bn.js/util/genCombMulTo10.js +++ /dev/null @@ -1,65 +0,0 @@ -'use strict'; - -function genCombMulTo (alen, blen) { - var len = alen + blen - 1; - var src = [ - 'var a = self.words;', - 'var b = num.words;', - 'var o = out.words;', - 'var c = 0;', - 'var lo;', - 'var mid;', - 'var hi;' - ]; - for (var i = 0; i < alen; i++) { - src.push('var a' + i + ' = a[' + i + '] | 0;'); - src.push('var al' + i + ' = a' + i + ' & 0x1fff;'); - src.push('var ah' + i + ' = a' + i + ' >>> 13;'); - } - for (i = 0; i < blen; i++) { - src.push('var b' + i + ' = b[' + i + '] | 0;'); - src.push('var bl' + i + ' = b' + i + ' & 0x1fff;'); - src.push('var bh' + i + ' = b' + i + ' >>> 13;'); - } - src.push(''); - src.push('out.negative = self.negative ^ num.negative;'); - src.push('out.length = ' + len + ';'); - - for (var k = 0; k < len; k++) { - var minJ = Math.max(0, k - alen + 1); - var maxJ = Math.min(k, blen - 1); - - src.push('\/* k = ' + k + ' *\/'); - src.push('lo = Math.imul(al' + (k - minJ) + ', bl' + minJ + ');'); - src.push('mid = Math.imul(al' + (k - minJ) + ', bh' + minJ + ');'); - src.push( - 'mid = (mid + Math.imul(ah' + (k - minJ) + ', bl' + minJ + ')) | 0;'); - src.push('hi = Math.imul(ah' + (k - minJ) + ', bh' + minJ + ');'); - - for (var j = minJ + 1; j <= maxJ; j++) { - i = k - j; - - src.push('lo = (lo + Math.imul(al' + i + ', bl' + j + ')) | 0;'); - src.push('mid = (mid + Math.imul(al' + i + ', bh' + j + ')) | 0;'); - src.push('mid = (mid + Math.imul(ah' + i + ', bl' + j + ')) | 0;'); - src.push('hi = (hi + Math.imul(ah' + i + ', bh' + j + ')) | 0;'); - } - - src.push('var w' + k + ' = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;'); - src.push('c = (((hi + (mid >>> 13)) | 0) + (w' + k + ' >>> 26)) | 0;'); - src.push('w' + k + ' &= 0x3ffffff;'); - } - // Store in separate step for better memory access - for (k = 0; k < len; k++) { - src.push('o[' + k + '] = w' + k + ';'); - } - src.push('if (c !== 0) {', - ' o[' + k + '] = c;', - ' out.length++;', - '}', - 'return out;'); - - return src.join('\n'); -} - -console.log(genCombMulTo(10, 10)); |