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@ -15,7 +15,7 @@ |
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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// MA 02110-1301 USA
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var bigInt = (function () { |
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var BigNumber = (function () { |
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var base = 10000000, logBase = 7; |
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var sign = { |
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positive: false, |
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@ -73,7 +73,7 @@ var bigInt = (function () { |
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var isValid = (base == 16 ? /^[0-9A-F]*$/ : /^[0-9]+$/).test(text); |
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if (!isValid) throw new Error("Invalid integer"); |
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if (base == 16) { |
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var val = bigInt(0); |
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var val = BigNumber(0); |
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while (text.length) { |
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v = text.charCodeAt(0) - 48; |
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if (v > 9) |
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@ -89,19 +89,19 @@ var bigInt = (function () { |
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value.push(+text.slice(divider)); |
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text = text.slice(0, divider); |
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} |
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var val = bigInt(value, s); |
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var val = BigNumber(value, s); |
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if (first) normalize(first, val); |
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return val; |
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} |
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}; |
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var goesInto = function (a, b) { |
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var a = bigInt(a, sign.positive), b = bigInt(b, sign.positive); |
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var a = BigNumber(a, sign.positive), b = BigNumber(b, sign.positive); |
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if (a.equals(0)) throw new Error("Cannot divide by 0"); |
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var n = 0; |
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do { |
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var inc = 1; |
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var c = bigInt(a.value, sign.positive), t = c.times(10); |
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var c = BigNumber(a.value, sign.positive), t = c.times(10); |
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while (t.lesser(b)) { |
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c = t; |
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inc *= 10; |
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@ -119,7 +119,7 @@ var bigInt = (function () { |
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}; |
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}; |
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var bigInt = function (value, s) { |
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var BigNumber = function (value, s) { |
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var self = { |
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value: value, |
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sign: s |
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@ -129,11 +129,11 @@ var bigInt = (function () { |
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sign: s, |
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negate: function (m) { |
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var first = m || self; |
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return bigInt(first.value, !first.sign); |
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return BigNumber(first.value, !first.sign); |
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}, |
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abs: function (m) { |
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var first = m || self; |
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return bigInt(first.value, sign.positive); |
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return BigNumber(first.value, sign.positive); |
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}, |
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add: function (n, m) { |
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var s, first = self, second; |
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@ -141,8 +141,8 @@ var bigInt = (function () { |
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else second = parse(n, first); |
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s = first.sign; |
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if (first.sign !== second.sign) { |
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first = bigInt(first.value, sign.positive); |
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second = bigInt(second.value, sign.positive); |
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first = BigNumber(first.value, sign.positive); |
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second = BigNumber(second.value, sign.positive); |
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return s === sign.positive ? |
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o.subtract(first, second) : |
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o.subtract(second, first); |
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@ -157,7 +157,7 @@ var bigInt = (function () { |
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sum -= carry * base; |
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result.push(sum); |
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} |
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return bigInt(result, s); |
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return BigNumber(result, s); |
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}, |
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plus: function (n, m) { |
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return o.add(n, m); |
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@ -178,7 +178,7 @@ var bigInt = (function () { |
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var minuend = (borrow * base) + tmp - b[i]; |
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result.push(minuend); |
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} |
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return bigInt(result, sign.positive); |
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return BigNumber(result, sign.positive); |
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}, |
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minus: function (n, m) { |
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return o.subtract(n, m); |
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@ -223,7 +223,7 @@ var bigInt = (function () { |
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sum -= carry * base; |
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result.push(sum); |
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} |
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return bigInt(result, s); |
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return BigNumber(result, s); |
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}, |
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times: function (n, m) { |
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return o.multiply(n, m); |
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@ -233,9 +233,9 @@ var bigInt = (function () { |
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if (m) (first = parse(n)) && (second = parse(m)); |
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else second = parse(n, first); |
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s = first.sign !== second.sign; |
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if (bigInt(first.value, first.sign).equals(0)) return { |
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quotient: bigInt([0], sign.positive), |
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remainder: bigInt([0], sign.positive) |
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if (BigNumber(first.value, first.sign).equals(0)) return { |
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quotient: BigNumber([0], sign.positive), |
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remainder: BigNumber([0], sign.positive) |
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}; |
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if (second.equals(0)) throw new Error("Cannot divide by zero"); |
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var a = first.value, b = second.value; |
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@ -248,8 +248,8 @@ var bigInt = (function () { |
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} |
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result.reverse(); |
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return { |
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quotient: bigInt(result, s), |
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remainder: bigInt(remainder, first.sign) |
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quotient: BigNumber(result, s), |
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remainder: BigNumber(remainder, first.sign) |
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}; |
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}, |
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divide: function (n, m) { |
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@ -268,7 +268,7 @@ var bigInt = (function () { |
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var a = first, b = second; |
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if (b.lesser(0)) return ZERO; |
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if (b.equals(0)) return ONE; |
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var result = bigInt(a.value, a.sign); |
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var result = BigNumber(a.value, a.sign); |
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if (b.mod(2).equals(0)) { |
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var c = result.pow(b.over(2)); |
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@ -377,9 +377,9 @@ var bigInt = (function () { |
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return o; |
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}; |
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var ZERO = bigInt([0], sign.positive); |
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var ONE = bigInt([1], sign.positive); |
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var MINUS_ONE = bigInt([1], sign.negative); |
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var ZERO = BigNumber([0], sign.positive); |
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var ONE = BigNumber([1], sign.positive); |
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var MINUS_ONE = BigNumber([1], sign.negative); |
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var fnReturn = function (a) { |
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if (typeof a === "undefined") return ZERO; |
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@ -392,6 +392,6 @@ var bigInt = (function () { |
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})(); |
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if (typeof module !== "undefined") { |
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module.exports = bigInt; |
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module.exports = BigNumber; |
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} |
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obscuren
10 years ago