big-integer - npm Package Compare versions

Comparing version 1.4.3 to 1.4.4

BigInteger.js

@@ -60,34 +60,47 @@ "use strict";
 
-    function fastMultiply(a, b) {
-        var value = a.value,
-            sign = b < 0,
-            result = [],
-            carry = 0;
-        if (sign) b = -b;
-        for (var i = 0; i < value.length || carry > 0; i++) {
-            var product = (value[i] || 0) * b + carry;
-            carry = (product / base) | 0;
-            result.push(product % base);
+    function fastMultiplyInternal(value, lambda) {
+        var result = [];
+        var carry = 0;
+        for (var i = 0; i < value.length; i++) {
+            carry += lambda * value[i];
+            var q = Math.floor(carry / base);
+            result[i] = (carry - q * base) | 0;
+            carry = q;
         }
-        return new BigInteger(trim(result), sign ? !a.sign : a.sign);
+        result[value.length] = carry | 0;
+        return result;
     }
 
-    function fastDivMod(a, b) {
-        if (b === 0) throw new Error("Cannot divide by zero.");
-        var value = a.value,
-            sign = b < 0,
-            result = [],
-            remainder = 0;
-        if (sign) b = -b;
+    function fastMultiply(a, b) {
+        var result = fastMultiplyInternal(a.value, b < 0 ? -b : b);
+        return new BigInteger(trim(result), b < 0 ? !a.sign : a.sign);
+    }
+
+    function fastDivModInternal(value, lambda) {
+        var quotient = [];
+        for (var i = 0; i < value.length; i++) {
+            quotient[i] = 0;
+        }
+        var remainder = 0;
         for (var i = value.length - 1; i >= 0; i--) {
             var divisor = remainder * base + value[i];
-            remainder = divisor % b;
-            result.push(divisor / b | 0);
+            var q = Math.floor(divisor / lambda);
+            remainder = divisor - q * lambda;
+            quotient[i] = q | 0;
         }
         return {
-            quotient: new BigInteger(trim(result.reverse()), sign ? !a.sign : a.sign),
-            remainder: new BigInteger([remainder], a.sign)
+          quotient: quotient,
+          remainder: remainder | 0
         };
     }
 
+    function fastDivMod(a, b) {
+        if (b === 0) throw new Error("Cannot divide by zero.");
+        var result = fastDivModInternal(a.value, b < 0 ? -b : b);
+        return {
+            quotient: new BigInteger(trim(result.quotient), b < 0 ? !a.sign : a.sign),
+            remainder: new BigInteger([result.remainder], a.sign)
+        };
+    }
+
     function isSmall(n) {
@@ -172,16 +185,58 @@ return ((typeof n === "number" || typeof n === "string") && +Math.abs(n) <= base) ||
         var quotientSign = this.sign !== n.sign;
-        if (this.equals(0)) return {
+        if (n.equals(ZERO)) throw new Error("Cannot divide by zero");
+        if (this.equals(ZERO)) return {
             quotient: new BigInteger([0], sign.positive),
             remainder: new BigInteger([0], sign.positive)
         };
-        if (n.equals(0)) throw new Error("Cannot divide by zero");
         var a = this.value, b = n.value;
-        var result = [], remainder = [];
-        for (var i = a.length - 1; i >= 0; i--) {
-            var m = [a[i]].concat(remainder);
-            var quotient = goesInto(b, m);
-            result.push(quotient.result);
-            remainder = quotient.remainder;
+        var result = [0];
+        for (var i = 0; i < b.length; i++) {
+            result[i] = 0;
         }
-        result.reverse();
+        var divisorMostSignificantDigit = b[b.length - 1];
+        // normalization
+        var lambda = Math.ceil(base / 2 / divisorMostSignificantDigit);
+        var remainder = fastMultiplyInternal(a, lambda);
+        var divisor = fastMultiplyInternal(b, lambda);
+        divisorMostSignificantDigit = divisor[b.length - 1];
+        for (var shift = a.length - b.length; shift >= 0; shift--) {
+            var quotientDigit = base - 1;
+            if (remainder[shift + b.length] !== divisorMostSignificantDigit) {
+                quotientDigit = Math.floor((remainder[shift + b.length] * base + remainder[shift + b.length - 1]) / divisorMostSignificantDigit);
+            }
+            // remainder -= quotientDigit * divisor
+            var carry = 0;
+            var borrow = 0;
+            for (var i = 0; i < divisor.length; i++) {
+                carry += quotientDigit * divisor[i];
+                var q = Math.floor(carry / base);
+                borrow += remainder[shift + i] - (carry - q * base);
+                carry = q;
+                if (borrow < 0) {
+                    remainder[shift + i] = (borrow + base) | 0;
+                    borrow = -1;
+                } else {
+                    remainder[shift + i] = borrow | 0;
+                    borrow = 0;
+                }
+            }
+            while (borrow !== 0) {
+                quotientDigit -= 1;
+                var carry = 0;
+                for (var i = 0; i < divisor.length; i++) {
+                    carry += remainder[shift + i] - base + divisor[i];
+                    if (carry < 0) {
+                        remainder[shift + i] = (carry + base) | 0;
+                        carry = 0;
+                    } else {
+                        remainder[shift + i] = carry | 0;
+                        carry = +1;
+                    }
+                }
+                borrow += carry;
+            }
+            result[shift] = quotientDigit | 0;
+        }
+        // denormalization
+        remainder = fastDivModInternal(remainder, lambda).quotient;
         return {
@@ -485,26 +540,2 @@ quotient: new BigInteger(trim(result), quotientSign),
 
-    var goesInto = function (a, b) {
-        var a = new BigInteger(a, sign.positive), b = new BigInteger(b, sign.positive);
-        if (a.equals(0)) throw new Error("Cannot divide by 0");
-        var n = 0;
-        do {
-            var inc = 1;
-            var c = a, t = c.times(10);
-            while (t.lesser(b)) {
-                c = t;
-                inc *= 10;
-                t = t.times(10);
-            }
-            while (c.lesserOrEquals(b)) {
-                b = b.minus(c);
-                n += inc;
-            }
-        } while (a.lesserOrEquals(b));
-
-        return {
-            remainder: b.value,
-            result: n
-        };
-    };
-
     var ZERO = new BigInteger([0], sign.positive);
@@ -511,0 +542,0 @@ var ONE = new BigInteger([1], sign.positive);

BigInteger.min.js

@@ -1,1 +0,1 @@
-"use strict";var bigInt=function(){function i(e,t){this.value=e,this.sign=t}function s(e){while(e[e.length-1]===0&&e.length>1)e.pop();return e}function o(t,n){var r=n<0;if(t.sign!==r)return r?u(t.abs(),-n):u(t.abs(),n).negate();r&&(n=-n);var o=t.value,a=[],f=0;for(var l=0;l<o.length||f>0;l++){var c=(o[l]||0)+(l>0?0:n)+f;f=c>=e?1:0,a.push(c%e)}return new i(s(a),t.sign)}function u(t,n){var r=t.value;if(r.length===1)return r=r[0],t.sign&&(r=-r),new i([Math.abs(r-n)],r-n<0);if(t.sign!==n<0)return o(t,-n);var u=!1;t.sign&&(u=!0);if(r.length===1&&r[0]<n)return new i([n-r[0]],!u);u&&(n=-n);var a=[],f=0;for(var l=0;l<r.length;l++){var c=r[l]-f-(l>0?0:n);f=c<0?1:0,a.push(f*e+c)}return new i(s(a),u)}function a(t,n){var r=t.value,o=n<0,u=[],a=0;o&&(n=-n);for(var f=0;f<r.length||a>0;f++){var l=(r[f]||0)*n+a;a=l/e|0,u.push(l%e)}return new i(s(u),o?!t.sign:t.sign)}function f(t,n){if(n===0)throw new Error("Cannot divide by zero.");var r=t.value,o=n<0,u=[],a=0;o&&(n=-n);for(var f=r.length-1;f>=0;f--){var l=a*e+r[f];a=l%n,u.push(l/n|0)}return{quotient:new i(s(u.reverse()),o?!t.sign:t.sign),remainder:new i([a],t.sign)}}function l(t){return(typeof t=="number"||typeof t=="string")&&+Math.abs(t)<=e||t instanceof i&&t.value.length<=1}function c(e,t){return e=T(e).abs(),t=T(t).abs(),e.equals(t)?e:e.equals(E)?t:t.equals(E)?e:e.isEven()?t.isOdd()?c(e.divide(2),t):c(e.divide(2),t.divide(2)).multiply(2):t.isEven()?c(e,t.divide(2)):e.greater(t)?c(e.subtract(t).divide(2),t):c(t.subtract(e).divide(2),e)}function h(e,t){return e=T(e).abs(),t=T(t).abs(),e.multiply(t).divide(c(e,t))}function p(e,t){return e=T(e),t=T(t),e.greater(t)?e:t}function d(e,t){return e=T(e),t=T(t),e.lesser(t)?e:t}function v(t,n){t=T(t),n=T(n);var r=d(t,n),s=p(t,n),o=s.subtract(r),u=o.value.length-1,a=[],f=!0;for(var l=u;l>=0;l--){var c=f?o.value[l]:e,h=Math.floor(Math.random()*c);a.unshift(h),h<c&&(f=!1)}return r.add(new i(a,!1))}function b(e,t,n){var r=E,i=p(e.abs(),t.abs()),s=0,o=S;while(o.lesserOrEquals(i)){var u,f;u=e.over(o).isEven()?0:1,f=t.over(o).isEven()?0:1,r=r.add(o.times(n(u,f))),o=a(o,2)}return r}function T(n){if(n instanceof i)return n;if(Math.abs(+n)<e&&+n===(+n|0)){var o=+n;return new i([Math.abs(o)],o<0||1/o===-Infinity)}n+="";var u=r.positive,o=[];n[0]==="-"&&(u=r.negative,n=n.slice(1));var n=n.split(/e/i);if(n.length>2)throw new Error("Invalid integer: "+n.join("e"));if(n[1]){var a=n[1];a[0]==="+"&&(a=a.slice(1)),a=T(a);var f=n[0].indexOf(".");f>=0&&(a=a.minus(n[0].length-f),n[0]=n[0].slice(0,f)+n[0].slice(f+1));if(a.lesser(0))throw new Error("Cannot include negative exponent part for integers");while(a.notEquals(0))n[0]+="0",a=a.prev()}n=n[0],n==="-0"&&(n="0");var l=/^([0-9][0-9]*)$/.test(n);if(!l)throw new Error("Invalid integer: "+n);while(n.length){var c=n.length>t?n.length-t:0;o.push(+n.slice(c)),n=n.slice(0,c)}return new i(s(o),u)}function C(e){var t=e.value;return t.length===1&&t[0]<=36?"0123456789abcdefghijklmnopqrstuvwxyz".charAt(t[0]):"<"+t+">"}function k(e,t){t=bigInt(t);if(t.equals(0)){if(e.equals(0))return"0";throw new Error("Cannot convert nonzero numbers to base 0.")}if(t.equals(-1))return e.equals(0)?"0":e.lesser(0)?Array(1-e).join("10"):"1"+Array(+e).join("01");var n="";e.isNegative()&&t.isPositive()&&(n="-",e=e.abs());if(t.equals(1))return e.equals(0)?"0":n+Array(+e+1).join(1);var r=[],i=e,s;while(i.lesser(0)||i.compareAbs(t)>=0){s=i.divmod(t),i=s.quotient;var o=s.remainder;o.lesser(0)&&(o=t.minus(o).abs(),i=i.next()),r.push(C(o))}return r.push(C(i)),n+r.reverse().join("")}var e=1e7,t=7,n="0000000",r={positive:!1,negative:!0};i.prototype.negate=function(){return new i(this.value,!this.sign)},i.prototype.abs=function(){return new i(this.value,r.positive)},i.prototype.add=function(t){if(l(t))return o(this,+t);t=T(t);if(this.sign!==t.sign)return this.sign===r.positive?this.abs().subtract(t.abs()):t.abs().subtract(this.abs());var n=this.value,u=t.value,a=[],f=0,c=Math.max(n.length,u.length);for(var h=0;h<c||f>0;h++){var p=(n[h]||0)+(u[h]||0)+f;f=p>=e?1:0,a.push(p%e)}return new i(s(a),this.sign)},i.prototype.plus=i.prototype.add,i.prototype.subtract=function(t){if(l(t))return u(this,+t);t=T(t);if(this.sign!==t.sign)return this.add(t.negate());if(this.sign===r.negative)return t.negate().subtract(this.negate());if(this.compare(t)<0)return t.subtract(this).negate();var n=this.value,o=t.value,a=[],f=0,c=Math.max(n.length,o.length);for(var h=0;h<c;h++){var p=n[h]||0,d=o[h]||0,v=p-f;f=v<d?1:0,a.push(f*e+v-d)}return new i(s(a),r.positive)},i.prototype.minus=i.prototype.subtract,i.prototype.multiply=function(t){if(l(t))return a(this,+t);t=T(t);var n=this.sign!==t.sign,r=this.value,o=t.value,u=[];for(var f=r.length+o.length;f>0;f--)u.push(0);for(var f=0;f<r.length;f++){var c=r[f];for(var h=0;h<o.length;h++){var p=o[h],d=c*p+u[f+h],v=Math.floor(d/e);u[f+h]=d-v*e,u[f+h+1]+=v}}return new i(s(u),n)},i.prototype.times=i.prototype.multiply,i.prototype.divmod=function(e){if(l(e))return f(this,+e);e=T(e);var t=this.sign!==e.sign;if(this.equals(0))return{quotient:new i([0],r.positive),remainder:new i([0],r.positive)};if(e.equals(0))throw new Error("Cannot divide by zero");var n=this.value,o=e.value,u=[],a=[];for(var c=n.length-1;c>=0;c--){var h=[n[c]].concat(a),p=w(o,h);u.push(p.result),a=p.remainder}return u.reverse(),{quotient:new i(s(u),t),remainder:new i(s(a),this.sign)}},i.prototype.divide=function(e){return this.divmod(e).quotient},i.prototype.over=i.prototype.divide,i.prototype.mod=function(e){return this.divmod(e).remainder},i.prototype.remainder=i.prototype.mod,i.prototype.pow=function(e){e=T(e);var t=this,n=e,r=S;if(n.equals(E))return r;if(t.equals(E)||n.lesser(E))return E;for(;;){n.isOdd()&&(r=r.times(t)),n=n.divide(2);if(n.equals(E))break;t=t.times(t)}return r},i.prototype.modPow=function(e,t){e=T(e),t=T(t);if(t.equals(E))throw new Error("Cannot take modPow with modulus 0");var n=S,r=this.mod(t);if(r.equals(E))return E;while(e.greater(0))e.isOdd()&&(n=n.multiply(r).mod(t)),e=e.divide(2),r=r.square().mod(t);return n},i.prototype.square=function(){return this.multiply(this)},i.prototype.next=function(){return o(this,1)},i.prototype.prev=function(){return u(this,1)},i.prototype.compare=function(e){var t=this,n=T(e);if(t.value.length===1&&n.value.length===1&&t.value[0]===0&&n.value[0]===0)return 0;if(n.sign!==t.sign)return t.sign===r.positive?1:-1;var i=t.sign===r.positive?1:-1,s=t.value,o=n.value,u=Math.max(s.length,o.length)-1;for(var a=u;a>=0;a--){var f=s[a]||0,l=o[a]||0;if(f>l)return 1*i;if(l>f)return-1*i}return 0},i.prototype.compareAbs=function(e){return this.abs().compare(e.abs())},i.prototype.equals=function(e){return this.compare(e)===0},i.prototype.notEquals=function(e){return!this.equals(e)},i.prototype.lesser=function(e){return this.compare(e)<0},i.prototype.greater=function(e){return this.compare(e)>0},i.prototype.greaterOrEquals=function(e){return this.compare(e)>=0},i.prototype.lesserOrEquals=function(e){return this.compare(e)<=0},i.prototype.compareTo=i.prototype.compare,i.prototype.lt=i.prototype.lesser,i.prototype.leq=i.prototype.lesserOrEquals,i.prototype.gt=i.prototype.greater,i.prototype.geq=i.prototype.greaterOrEquals,i.prototype.eq=i.prototype.equals,i.prototype.neq=i.prototype.notEquals,i.prototype.isPositive=function(){return this.value.length===1&&this.value[0]===0?!1:this.sign===r.positive},i.prototype.isNegative=function(){return this.value.length===1&&this.value[0]===0?!1:this.sign===r.negative},i.prototype.isEven=function(){return this.value[0]%2===0},i.prototype.isOdd=function(){return this.value[0]%2===1},i.prototype.isUnit=function(){return this.value.length===1&&this.value[0]===1},i.prototype.isZero=function(){return this.value.length===1&&this.value[0]===0},i.prototype.isDivisibleBy=function(e){return e=T(e),e.isZero()?!1:this.mod(e).equals(E)},i.prototype.isPrime=function(){var e=this.abs(),t=e.prev();if(e.isUnit())return!1;if(e.equals(2)||e.equals(3)||e.equals(5))return!0;if(e.isEven()||e.isDivisibleBy(3)||e.isDivisibleBy(5))return!1;if(e.lesser(25))return!0;var n=[2,3,5,7,11,13,17,19],r=t,i,s,o,u;while(r.isEven())r=r.divide(2);for(o=0;o<n.length;o++){u=bigInt(n[o]).modPow(r,e);if(u.equals(S)||u.equals(t))continue;for(s=!0,i=r;s&&i.lesser(t);i=i.multiply(2))u=u.square().mod(e),u.equals(t)&&(s=!1);if(s)return!1}return!0};var m=[1];while(m[m.length-1]<=e)m.push(2*m[m.length-1]);var g=m.length,y=m[g-1];i.prototype.shiftLeft=function(e){if(!l(e))return e.isNegative()?this.shiftRight(e.abs()):this.times(bigInt(2).pow(e));e=+e;if(e<0)return this.shiftRight(-e);var t=this;while(e>=g)t=a(t,y),e-=g-1;return a(t,m[e])},i.prototype.shiftRight=function(e){if(!l(e))return e.isNegative()?this.shiftLeft(e.abs()):this.over(bigInt(2).pow(e));e=+e;if(e<0)return this.shiftLeft(-e);var t=this;while(e>=g){if(t.equals(E))return t;t=f(t,y).quotient,e-=g-1}return f(t,m[e]).quotient},i.prototype.not=function(){var e=b(this,this,function(e){return(e+1)%2});return this.sign?e:e.negate()},i.prototype.and=function(e){e=T(e);var t=b(this,e,function(e,t){return e*t});return this.sign&&e.sign?t.negate():t},i.prototype.or=function(e){e=T(e);var t=b(this,e,function(e,t){return(e+t+e*t)%2});return this.sign||e.sign?t.negate():t},i.prototype.xor=function(e){e=T(e);var t=b(this,e,function(e,t){return(e+t)%2});return this.sign^e.sign?t.negate():t},i.prototype.toString=function(e){e===undefined&&(e=10);if(e!==10)return k(this,e);var t=this,i="",s=t.value.length;if(s===0||s===1&&t.value[0]===0)return"0";s-=1,i=t.value[s].toString();while(--s>=0){var o=t.value[s].toString();i+=n.slice(o.length)+o}var u=t.sign===r.positive?"":"-";return u+i},i.prototype.toJSNumber=function(){return this.valueOf()},i.prototype.valueOf=function(){return this.value.length===1?this.sign?-this.value[0]:this.value[0]:+this.toString()};var w=function(e,t){var e=new i(e,r.positive),t=new i(t,r.positive);if(e.equals(0))throw new Error("Cannot divide by 0");var n=0;do{var s=1,o=e,u=o.times(10);while(u.lesser(t))o=u,s*=10,u=u.times(10);while(o.lesserOrEquals(t))t=t.minus(o),n+=s}while(e.lesserOrEquals(t));return{remainder:t.value,result:n}},E=new i([0],r.positive),S=new i([1],r.positive),x=new i([1],r.negative),N=function(e,t){function o(e){var t=e[i].toLowerCase();if(i===0&&e[i]==="-"){s=!0;return}if(/[0-9]/.test(t))r.push(T(t));else if(/[a-z]/.test(t))r.push(T(t.charCodeAt(0)-87));else{if(t!=="<")throw new Error(t+" is not a valid character");var n=i;do i++;while(e[i]!==">");r.push(T(e.slice(n+1,i)))}}t=T(t);var n=E,r=[],i,s=!1;for(i=0;i<e.length;i++)o(e);r.reverse();for(i=0;i<r.length;i++)n=n.add(r[i].times(t.pow(i)));return s?n.negate():n},L=function(e,t){return typeof e=="undefined"?E:typeof t!="undefined"?N(e,t):T(e)};return L.zero=E,L.one=S,L.minusOne=x,L.randBetween=v,L.min=d,L.max=p,L.gcd=c,L.lcm=h,L}();typeof module!="undefined"&&(module.exports=bigInt);
+"use strict";var bigInt=function(){function i(e,t){this.value=e,this.sign=t}function s(e){while(e[e.length-1]===0&&e.length>1)e.pop();return e}function o(t,n){var r=n<0;if(t.sign!==r)return r?u(t.abs(),-n):u(t.abs(),n).negate();r&&(n=-n);var o=t.value,a=[],f=0;for(var l=0;l<o.length||f>0;l++){var c=(o[l]||0)+(l>0?0:n)+f;f=c>=e?1:0,a.push(c%e)}return new i(s(a),t.sign)}function u(t,n){var r=t.value;if(r.length===1)return r=r[0],t.sign&&(r=-r),new i([Math.abs(r-n)],r-n<0);if(t.sign!==n<0)return o(t,-n);var u=!1;t.sign&&(u=!0);if(r.length===1&&r[0]<n)return new i([n-r[0]],!u);u&&(n=-n);var a=[],f=0;for(var l=0;l<r.length;l++){var c=r[l]-f-(l>0?0:n);f=c<0?1:0,a.push(f*e+c)}return new i(s(a),u)}function a(t,n){var r=[],i=0;for(var s=0;s<t.length;s++){i+=n*t[s];var o=Math.floor(i/e);r[s]=i-o*e|0,i=o}return r[t.length]=i|0,r}function f(e,t){var n=a(e.value,t<0?-t:t);return new i(s(n),t<0?!e.sign:e.sign)}function l(t,n){var r=[];for(var i=0;i<t.length;i++)r[i]=0;var s=0;for(var i=t.length-1;i>=0;i--){var o=s*e+t[i],u=Math.floor(o/n);s=o-u*n,r[i]=u|0}return{quotient:r,remainder:s|0}}function c(e,t){if(t===0)throw new Error("Cannot divide by zero.");var n=l(e.value,t<0?-t:t);return{quotient:new i(s(n.quotient),t<0?!e.sign:e.sign),remainder:new i([n.remainder],e.sign)}}function h(t){return(typeof t=="number"||typeof t=="string")&&+Math.abs(t)<=e||t instanceof i&&t.value.length<=1}function p(e,t){return e=N(e).abs(),t=N(t).abs(),e.equals(t)?e:e.equals(S)?t:t.equals(S)?e:e.isEven()?t.isOdd()?p(e.divide(2),t):p(e.divide(2),t.divide(2)).multiply(2):t.isEven()?p(e,t.divide(2)):e.greater(t)?p(e.subtract(t).divide(2),t):p(t.subtract(e).divide(2),e)}function d(e,t){return e=N(e).abs(),t=N(t).abs(),e.multiply(t).divide(p(e,t))}function v(e,t){return e=N(e),t=N(t),e.greater(t)?e:t}function m(e,t){return e=N(e),t=N(t),e.lesser(t)?e:t}function g(t,n){t=N(t),n=N(n);var r=m(t,n),s=v(t,n),o=s.subtract(r),u=o.value.length-1,a=[],f=!0;for(var l=u;l>=0;l--){var c=f?o.value[l]:e,h=Math.floor(Math.random()*c);a.unshift(h),h<c&&(f=!1)}return r.add(new i(a,!1))}function E(e,t,n){var r=S,i=v(e.abs(),t.abs()),s=0,o=x;while(o.lesserOrEquals(i)){var u,a;u=e.over(o).isEven()?0:1,a=t.over(o).isEven()?0:1,r=r.add(o.times(n(u,a))),o=f(o,2)}return r}function N(n){if(n instanceof i)return n;if(Math.abs(+n)<e&&+n===(+n|0)){var o=+n;return new i([Math.abs(o)],o<0||1/o===-Infinity)}n+="";var u=r.positive,o=[];n[0]==="-"&&(u=r.negative,n=n.slice(1));var n=n.split(/e/i);if(n.length>2)throw new Error("Invalid integer: "+n.join("e"));if(n[1]){var a=n[1];a[0]==="+"&&(a=a.slice(1)),a=N(a);var f=n[0].indexOf(".");f>=0&&(a=a.minus(n[0].length-f),n[0]=n[0].slice(0,f)+n[0].slice(f+1));if(a.lesser(0))throw new Error("Cannot include negative exponent part for integers");while(a.notEquals(0))n[0]+="0",a=a.prev()}n=n[0],n==="-0"&&(n="0");var l=/^([0-9][0-9]*)$/.test(n);if(!l)throw new Error("Invalid integer: "+n);while(n.length){var c=n.length>t?n.length-t:0;o.push(+n.slice(c)),n=n.slice(0,c)}return new i(s(o),u)}function k(e){var t=e.value;return t.length===1&&t[0]<=36?"0123456789abcdefghijklmnopqrstuvwxyz".charAt(t[0]):"<"+t+">"}function L(e,t){t=bigInt(t);if(t.equals(0)){if(e.equals(0))return"0";throw new Error("Cannot convert nonzero numbers to base 0.")}if(t.equals(-1))return e.equals(0)?"0":e.lesser(0)?Array(1-e).join("10"):"1"+Array(+e).join("01");var n="";e.isNegative()&&t.isPositive()&&(n="-",e=e.abs());if(t.equals(1))return e.equals(0)?"0":n+Array(+e+1).join(1);var r=[],i=e,s;while(i.lesser(0)||i.compareAbs(t)>=0){s=i.divmod(t),i=s.quotient;var o=s.remainder;o.lesser(0)&&(o=t.minus(o).abs(),i=i.next()),r.push(k(o))}return r.push(k(i)),n+r.reverse().join("")}var e=1e7,t=7,n="0000000",r={positive:!1,negative:!0};i.prototype.negate=function(){return new i(this.value,!this.sign)},i.prototype.abs=function(){return new i(this.value,r.positive)},i.prototype.add=function(t){if(h(t))return o(this,+t);t=N(t);if(this.sign!==t.sign)return this.sign===r.positive?this.abs().subtract(t.abs()):t.abs().subtract(this.abs());var n=this.value,u=t.value,a=[],f=0,l=Math.max(n.length,u.length);for(var c=0;c<l||f>0;c++){var p=(n[c]||0)+(u[c]||0)+f;f=p>=e?1:0,a.push(p%e)}return new i(s(a),this.sign)},i.prototype.plus=i.prototype.add,i.prototype.subtract=function(t){if(h(t))return u(this,+t);t=N(t);if(this.sign!==t.sign)return this.add(t.negate());if(this.sign===r.negative)return t.negate().subtract(this.negate());if(this.compare(t)<0)return t.subtract(this).negate();var n=this.value,o=t.value,a=[],f=0,l=Math.max(n.length,o.length);for(var c=0;c<l;c++){var p=n[c]||0,d=o[c]||0,v=p-f;f=v<d?1:0,a.push(f*e+v-d)}return new i(s(a),r.positive)},i.prototype.minus=i.prototype.subtract,i.prototype.multiply=function(t){if(h(t))return f(this,+t);t=N(t);var n=this.sign!==t.sign,r=this.value,o=t.value,u=[];for(var a=r.length+o.length;a>0;a--)u.push(0);for(var a=0;a<r.length;a++){var l=r[a];for(var c=0;c<o.length;c++){var p=o[c],d=l*p+u[a+c],v=Math.floor(d/e);u[a+c]=d-v*e,u[a+c+1]+=v}}return new i(s(u),n)},i.prototype.times=i.prototype.multiply,i.prototype.divmod=function(t){if(h(t))return c(this,+t);t=N(t);var n=this.sign!==t.sign;if(t.equals(S))throw new Error("Cannot divide by zero");if(this.equals(S))return{quotient:new i([0],r.positive),remainder:new i([0],r.positive)};var o=this.value,u=t.value,f=[0];for(var p=0;p<u.length;p++)f[p]=0;var d=u[u.length-1],v=Math.ceil(e/2/d),m=a(o,v),g=a(u,v);d=g[u.length-1];for(var y=o.length-u.length;y>=0;y--){var b=e-1;m[y+u.length]!==d&&(b=Math.floor((m[y+u.length]*e+m[y+u.length-1])/d));var w=0,E=0;for(var p=0;p<g.length;p++){w+=b*g[p];var x=Math.floor(w/e);E+=m[y+p]-(w-x*e),w=x,E<0?(m[y+p]=E+e|0,E=-1):(m[y+p]=E|0,E=0)}while(E!==0){b-=1;var w=0;for(var p=0;p<g.length;p++)w+=m[y+p]-e+g[p],w<0?(m[y+p]=w+e|0,w=0):(m[y+p]=w|0,w=1);E+=w}f[y]=b|0}return m=l(m,v).quotient,{quotient:new i(s(f),n),remainder:new i(s(m),this.sign)}},i.prototype.divide=function(e){return this.divmod(e).quotient},i.prototype.over=i.prototype.divide,i.prototype.mod=function(e){return this.divmod(e).remainder},i.prototype.remainder=i.prototype.mod,i.prototype.pow=function(e){e=N(e);var t=this,n=e,r=x;if(n.equals(S))return r;if(t.equals(S)||n.lesser(S))return S;for(;;){n.isOdd()&&(r=r.times(t)),n=n.divide(2);if(n.equals(S))break;t=t.times(t)}return r},i.prototype.modPow=function(e,t){e=N(e),t=N(t);if(t.equals(S))throw new Error("Cannot take modPow with modulus 0");var n=x,r=this.mod(t);if(r.equals(S))return S;while(e.greater(0))e.isOdd()&&(n=n.multiply(r).mod(t)),e=e.divide(2),r=r.square().mod(t);return n},i.prototype.square=function(){return this.multiply(this)},i.prototype.next=function(){return o(this,1)},i.prototype.prev=function(){return u(this,1)},i.prototype.compare=function(e){var t=this,n=N(e);if(t.value.length===1&&n.value.length===1&&t.value[0]===0&&n.value[0]===0)return 0;if(n.sign!==t.sign)return t.sign===r.positive?1:-1;var i=t.sign===r.positive?1:-1,s=t.value,o=n.value,u=Math.max(s.length,o.length)-1;for(var a=u;a>=0;a--){var f=s[a]||0,l=o[a]||0;if(f>l)return 1*i;if(l>f)return-1*i}return 0},i.prototype.compareAbs=function(e){return this.abs().compare(e.abs())},i.prototype.equals=function(e){return this.compare(e)===0},i.prototype.notEquals=function(e){return!this.equals(e)},i.prototype.lesser=function(e){return this.compare(e)<0},i.prototype.greater=function(e){return this.compare(e)>0},i.prototype.greaterOrEquals=function(e){return this.compare(e)>=0},i.prototype.lesserOrEquals=function(e){return this.compare(e)<=0},i.prototype.compareTo=i.prototype.compare,i.prototype.lt=i.prototype.lesser,i.prototype.leq=i.prototype.lesserOrEquals,i.prototype.gt=i.prototype.greater,i.prototype.geq=i.prototype.greaterOrEquals,i.prototype.eq=i.prototype.equals,i.prototype.neq=i.prototype.notEquals,i.prototype.isPositive=function(){return this.value.length===1&&this.value[0]===0?!1:this.sign===r.positive},i.prototype.isNegative=function(){return this.value.length===1&&this.value[0]===0?!1:this.sign===r.negative},i.prototype.isEven=function(){return this.value[0]%2===0},i.prototype.isOdd=function(){return this.value[0]%2===1},i.prototype.isUnit=function(){return this.value.length===1&&this.value[0]===1},i.prototype.isZero=function(){return this.value.length===1&&this.value[0]===0},i.prototype.isDivisibleBy=function(e){return e=N(e),e.isZero()?!1:this.mod(e).equals(S)},i.prototype.isPrime=function(){var e=this.abs(),t=e.prev();if(e.isUnit())return!1;if(e.equals(2)||e.equals(3)||e.equals(5))return!0;if(e.isEven()||e.isDivisibleBy(3)||e.isDivisibleBy(5))return!1;if(e.lesser(25))return!0;var n=[2,3,5,7,11,13,17,19],r=t,i,s,o,u;while(r.isEven())r=r.divide(2);for(o=0;o<n.length;o++){u=bigInt(n[o]).modPow(r,e);if(u.equals(x)||u.equals(t))continue;for(s=!0,i=r;s&&i.lesser(t);i=i.multiply(2))u=u.square().mod(e),u.equals(t)&&(s=!1);if(s)return!1}return!0};var y=[1];while(y[y.length-1]<=e)y.push(2*y[y.length-1]);var b=y.length,w=y[b-1];i.prototype.shiftLeft=function(e){if(!h(e))return e.isNegative()?this.shiftRight(e.abs()):this.times(bigInt(2).pow(e));e=+e;if(e<0)return this.shiftRight(-e);var t=this;while(e>=b)t=f(t,w),e-=b-1;return f(t,y[e])},i.prototype.shiftRight=function(e){if(!h(e))return e.isNegative()?this.shiftLeft(e.abs()):this.over(bigInt(2).pow(e));e=+e;if(e<0)return this.shiftLeft(-e);var t=this;while(e>=b){if(t.equals(S))return t;t=c(t,w).quotient,e-=b-1}return c(t,y[e]).quotient},i.prototype.not=function(){var e=E(this,this,function(e){return(e+1)%2});return this.sign?e:e.negate()},i.prototype.and=function(e){e=N(e);var t=E(this,e,function(e,t){return e*t});return this.sign&&e.sign?t.negate():t},i.prototype.or=function(e){e=N(e);var t=E(this,e,function(e,t){return(e+t+e*t)%2});return this.sign||e.sign?t.negate():t},i.prototype.xor=function(e){e=N(e);var t=E(this,e,function(e,t){return(e+t)%2});return this.sign^e.sign?t.negate():t},i.prototype.toString=function(e){e===undefined&&(e=10);if(e!==10)return L(this,e);var t=this,i="",s=t.value.length;if(s===0||s===1&&t.value[0]===0)return"0";s-=1,i=t.value[s].toString();while(--s>=0){var o=t.value[s].toString();i+=n.slice(o.length)+o}var u=t.sign===r.positive?"":"-";return u+i},i.prototype.toJSNumber=function(){return this.valueOf()},i.prototype.valueOf=function(){return this.value.length===1?this.sign?-this.value[0]:this.value[0]:+this.toString()};var S=new i([0],r.positive),x=new i([1],r.positive),T=new i([1],r.negative),C=function(e,t){function o(e){var t=e[i].toLowerCase();if(i===0&&e[i]==="-"){s=!0;return}if(/[0-9]/.test(t))r.push(N(t));else if(/[a-z]/.test(t))r.push(N(t.charCodeAt(0)-87));else{if(t!=="<")throw new Error(t+" is not a valid character");var n=i;do i++;while(e[i]!==">");r.push(N(e.slice(n+1,i)))}}t=N(t);var n=S,r=[],i,s=!1;for(i=0;i<e.length;i++)o(e);r.reverse();for(i=0;i<r.length;i++)n=n.add(r[i].times(t.pow(i)));return s?n.negate():n},A=function(e,t){return typeof e=="undefined"?S:typeof t!="undefined"?C(e,t):N(e)};return A.zero=S,A.one=x,A.minusOne=T,A.randBetween=g,A.min=m,A.max=v,A.gcd=p,A.lcm=d,A}();typeof module!="undefined"&&(module.exports=bigInt);

package.json

 {
   "name": "big-integer",
-  "version": "1.4.3",
+  "version": "1.4.4",
   "author": "Peter Olson <[e-mail]>",
@@ -9,3 +9,3 @@ "description": "An arbitrary length integer library for Javascript",
   "scripts": {
-    "test": "jasmine"
+    "test": "./node_modules/.bin/jasmine"
   },
@@ -28,3 +28,3 @@ "main": "./BigInteger",
   ],
-  "dependencies" : {
+  "devDependencies" : {
     "jasmine": "2.1.x"
@@ -31,0 +31,0 @@ },

No alert changes

Improved metrics

Total package byte prevSize

217656

increased by0.74%

Dependency count

0

decreased by-100%

Lines of code

4446

increased by0.7%

Worsened metrics

Dev dependency count

1

increased byInfinity%

Number of package files

15

decreased by-6.25%

Dependency changes

• - Removedjasmine@2.1.x

• - Removedglob@3.2.11(transitive)

• - Removedinherits@2.0.4(transitive)

• - Removedjasmine@2.1.1(transitive)

• - Removedjasmine-core@2.1.3(transitive)

• - Removedlru-cache@2.7.3(transitive)

• - Removedminimatch@0.3.0(transitive)

• - Removedsigmund@1.0.1(transitive)