fraction.js - npm Package Compare versions

Comparing version 4.2.0 to 4.2.1

bigfraction.js

 /**
- * @license Fraction.js v4.2.0 23/05/2021
+ * @license Fraction.js v4.2.1 20/08/2023
  * https://www.xarg.org/2014/03/rational-numbers-in-javascript/
  *
- * Copyright (c) 2021, Robert Eisele ([e-mail])
+ * Copyright (c) 2023, Robert Eisele ([e-mail])
  * Dual licensed under the MIT or GPL Version 2 licenses.
@@ -16,4 +16,4 @@ **/
  * Array/Object form
- * [ 0 => <nominator>, 1 => <denominator> ]
- * [ n => <nominator>, d => <denominator> ]
+ * [ 0 => <numerator>, 1 => <denominator> ]
+ * [ n => <numerator>, d => <denominator> ]
  *
@@ -46,3 +46,3 @@ * Integer form
   // Set Identity function to downgrade BigInt to Number if needed
-  if (!BigInt) BigInt = function(n) { if (isNaN(n)) throw new Error(""); return n; };
+  if (typeof BigInt === 'undefined') BigInt = function(n) { if (isNaN(n)) throw new Error(""); return n; };
 
@@ -72,3 +72,3 @@ const C_ONE = BigInt(1);
     } catch (e) {
-      throw Fraction['InvalidParameter'];
+      throw InvalidParameter();
     }
@@ -82,3 +82,3 @@ return n * s;
     if (d === C_ZERO) {
-      throw Fraction['DivisionByZero'];
+      throw DivisionByZero();
     }
@@ -136,3 +136,3 @@
       if (n % C_ONE !== C_ZERO || d % C_ONE !== C_ZERO) {
-        throw Fraction['NonIntegerParameter'];
+        throw NonIntegerParameter();
       }
@@ -153,3 +153,3 @@
       } else {
-        throw Fraction['InvalidParameter'];
+        throw InvalidParameter();
       }
@@ -160,7 +160,7 @@ s = n * d;
       s = p1;
-      d = BigInt(1);
+      d = C_ONE;
     } else if (typeof p1 === "number") {
 
       if (isNaN(p1)) {
-        throw Fraction['InvalidParameter'];
+        throw InvalidParameter();
       }
@@ -240,3 +240,3 @@
       if (match === null)
-        throw Fraction['InvalidParameter'];
+        throw InvalidParameter();
 
@@ -289,11 +289,11 @@ if (match[ndx] === '-') {// Check for minus sign at the beginning
       } else {
-        throw Fraction['InvalidParameter'];
+        throw InvalidParameter();
       }
 
     } else {
-      throw Fraction['InvalidParameter'];
+      throw InvalidParameter();
     }
 
     if (d === C_ZERO) {
-      throw Fraction['DivisionByZero'];
+      throw DivisionByZero();
     }
@@ -403,5 +403,5 @@
 
-  Fraction['DivisionByZero'] = new Error("Division by Zero");
-  Fraction['InvalidParameter'] = new Error("Invalid argument");
-  Fraction['NonIntegerParameter'] = new Error("Parameters must be integer");
+  var DivisionByZero = function() {return new Error("Division by Zero");};
+  var InvalidParameter = function() {return new Error("Invalid argument");};
+  var NonIntegerParameter = function() {return new Error("Parameters must be integer");};
 
@@ -512,3 +512,3 @@ Fraction.prototype = {
       if (0 === P["n"] && 0 === this["d"]) {
-        throw Fraction['DivisionByZero'];
+        throw DivisionByZero();
       }
@@ -753,4 +753,8 @@
 
-      dec = dec || 15; // 15 = decimal places when no repitation
+      function trunc(x) {
+          return typeof x === 'bigint' ? x : Math.floor(x);
+      }
 
+      dec = dec || 15; // 15 = decimal places when no repetition
+
       let cycLen = cycleLen(N, D); // Cycle length
@@ -762,3 +766,3 @@ let cycOff = cycleStart(N, D, cycLen); // Cycle start
       // Append integer part
-      str+= N / D;
+      str+= trunc(N / D);
 
@@ -774,3 +778,3 @@ N%= D;
         for (let i = cycOff; i--;) {
-          str+= N / D;
+          str+= trunc(N / D);
           N%= D;
@@ -781,3 +785,3 @@ N*= C_TEN;
         for (let i = cycLen; i--;) {
-          str+= N / D;
+          str+= trunc(N / D);
           N%= D;
@@ -789,3 +793,3 @@ N*= C_TEN;
         for (let i = dec; N && i--;) {
-          str+= N / D;
+          str+= trunc(N / D);
           N%= D;
@@ -890,3 +894,3 @@ N*= C_TEN;
 
-        if (s['sub'](thisABS)['abs']().valueOf() < eps) {
+        if (Math.abs(s['sub'](thisABS).valueOf()) < eps) {
           return s['mul'](this['s']);
@@ -893,0 +897,0 @@ }

fraction.js

 /**
- * @license Fraction.js v4.2.0 05/03/2022
+ * @license Fraction.js v4.2.1 20/08/2023
  * https://www.xarg.org/2014/03/rational-numbers-in-javascript/
  *
- * Copyright (c) 2021, Robert Eisele ([e-mail])
+ * Copyright (c) 2023, Robert Eisele ([e-mail])
  * Dual licensed under the MIT or GPL Version 2 licenses.
@@ -16,4 +16,4 @@ **/
  * Array/Object form
- * [ 0 => <nominator>, 1 => <denominator> ]
- * [ n => <nominator>, d => <denominator> ]
+ * [ 0 => <numerator>, 1 => <denominator> ]
+ * [ n => <numerator>, d => <denominator> ]
  *
@@ -60,3 +60,3 @@ * Integer form
     if (isNaN(n = parseInt(n, 10))) {
-      throw Fraction['InvalidParameter'];
+      throw InvalidParameter();
     }
@@ -70,3 +70,3 @@ return n * s;
     if (d === 0) {
-      throw Fraction['DivisionByZero'];
+      throw DivisionByZero();
     }
@@ -131,3 +131,3 @@
       if (n % 1 !== 0 || d % 1 !== 0) {
-        throw Fraction['NonIntegerParameter'];
+        throw NonIntegerParameter();
       }
@@ -150,3 +150,3 @@
             } else {
-              throw Fraction['InvalidParameter'];
+              throw InvalidParameter();
             }
@@ -221,3 +221,3 @@ s = n * d;
             if (B === null)
-              throw Fraction['InvalidParameter'];
+              throw InvalidParameter();
 
@@ -275,7 +275,7 @@ if (B[A] === '-') {// Check for minus sign at the beginning
         default:
-          throw Fraction['InvalidParameter'];
+          throw InvalidParameter();
       }
 
     if (d === 0) {
-      throw Fraction['DivisionByZero'];
+      throw DivisionByZero();
     }
@@ -387,5 +387,5 @@
 
-  Fraction['DivisionByZero'] = new Error("Division by Zero");
-  Fraction['InvalidParameter'] = new Error("Invalid argument");
-  Fraction['NonIntegerParameter'] = new Error("Parameters must be integer");
+  var DivisionByZero = function() {return new Error("Division by Zero");};
+  var InvalidParameter = function() {return new Error("Invalid argument");};
+  var NonIntegerParameter = function() {return new Error("Parameters must be integer");};
 
@@ -500,3 +500,3 @@ Fraction.prototype = {
       if (0 === P["n"] && 0 === this["d"]) {
-        throw Fraction['DivisionByZero'];
+        throw DivisionByZero();
       }
@@ -716,3 +716,3 @@
 
-        if (s['sub'](thisABS)['abs']().valueOf() < eps) {
+        if (Math.abs(s['sub'](thisABS).valueOf()) < eps) {
           return s['mul'](this['s']);
@@ -719,0 +719,0 @@ }

fraction.min.js

 /*
-Fraction.js v4.2.0 05/03/2022
+Fraction.js v4.2.1 20/08/2023
 https://www.xarg.org/2014/03/rational-numbers-in-javascript/
 
-Copyright (c) 2021, Robert Eisele ([e-mail])
+Copyright (c) 2023, Robert Eisele ([e-mail])
 Dual licensed under the MIT or GPL Version 2 licenses.
 */
-(function(z){function p(a,c){var b=0,d=1,f=1,l=0,k=0,t=0,x=1,u=1,g=0,h=1,v=1,q=1;if(void 0!==a&&null!==a)if(void 0!==c){if(b=a,d=c,f=b*d,0!==b%1||0!==d%1)throw m.NonIntegerParameter;}else switch(typeof a){case "object":if("d"in a&&"n"in a)b=a.n,d=a.d,"s"in a&&(b*=a.s);else if(0 in a)b=a[0],1 in a&&(d=a[1]);else throw m.InvalidParameter;f=b*d;break;case "number":0>a&&(f=a,a=-a);if(0===a%1)b=a;else if(0<a){1<=a&&(u=Math.pow(10,Math.floor(1+Math.log(a)/Math.LN10)),a/=u);for(;1E7>=h&&1E7>=q;)if(b=(g+
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-var b=Object.create(m.prototype);b.s=0>a?-1:1;a=0>a?-a:a;var d=w(a,c);b.n=a/d;b.d=c/d;return b}function y(a){for(var c={},b=a,d=2,f=4;f<=b;){for(;0===b%d;)b/=d,c[d]=(c[d]||0)+1;f+=1+2*d++}b!==a?1<b&&(c[b]=(c[b]||0)+1):c[a]=(c[a]||0)+1;return c}function w(a,c){if(!a)return c;if(!c)return a;for(;;){a%=c;if(!a)return c;c%=a;if(!c)return a}}function m(a,c){p(a,c);if(this instanceof m)a=w(e.d,e.n),this.s=e.s,this.n=e.n/a,this.d=e.d/a;else return n(e.s*e.n,e.d)}var e={s:1,n:0,d:1};m.DivisionByZero=Error("Division by Zero");
-m.InvalidParameter=Error("Invalid argument");m.NonIntegerParameter=Error("Parameters must be integer");m.prototype={s:1,n:0,d:1,abs:function(){return n(this.n,this.d)},neg:function(){return n(-this.s*this.n,this.d)},add:function(a,c){p(a,c);return n(this.s*this.n*e.d+e.s*this.d*e.n,this.d*e.d)},sub:function(a,c){p(a,c);return n(this.s*this.n*e.d-e.s*this.d*e.n,this.d*e.d)},mul:function(a,c){p(a,c);return n(this.s*e.s*this.n*e.n,this.d*e.d)},div:function(a,c){p(a,c);return n(this.s*e.s*this.n*e.d,
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-isNaN(this.d)?new m(NaN):n(Math.ceil(a*this.s*this.n/this.d),a)},floor:function(a){a=Math.pow(10,a||0);return isNaN(this.n)||isNaN(this.d)?new m(NaN):n(Math.floor(a*this.s*this.n/this.d),a)},round:function(a){a=Math.pow(10,a||0);return isNaN(this.n)||isNaN(this.d)?new m(NaN):n(Math.round(a*this.s*this.n/this.d),a)},inverse:function(){return n(this.s*this.d,this.n)},pow:function(a,c){p(a,c);if(1===e.d)return 0>e.s?n(Math.pow(this.s*this.d,e.n),Math.pow(this.n,e.n)):n(Math.pow(this.s*this.n,e.n),Math.pow(this.d,
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-isNaN(this.d))return this;a=a||.001;for(var c=this.abs(),b=c.toContinued(),d=1;d<b.length;d++){for(var f=n(b[d-1],1),l=d-2;0<=l;l--)f=f.inverse().add(b[l]);if(f.sub(c).abs().valueOf()<a)return f.mul(this.s)}return this},divisible:function(a,c){p(a,c);return!(!(e.n*this.d)||this.n*e.d%(e.n*this.d))},valueOf:function(){return this.s*this.n/this.d},toFraction:function(a){var c,b="",d=this.n,f=this.d;0>this.s&&(b+="-");1===f?b+=d:(a&&0<(c=Math.floor(d/f))&&(b=b+c+" ",d%=f),b=b+d+"/",b+=f);return b},toLatex:function(a){var c,
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+function m(a,c){if(0===c)throw z();var b=Object.create(n.prototype);b.s=0>a?-1:1;a=0>a?-a:a;var d=w(a,c);b.n=a/d;b.d=c/d;return b}function A(a){for(var c={},b=a,d=2,f=4;f<=b;){for(;0===b%d;)b/=d,c[d]=(c[d]||0)+1;f+=1+2*d++}b!==a?1<b&&(c[b]=(c[b]||0)+1):c[a]=(c[a]||0)+1;return c}function w(a,c){if(!a)return c;if(!c)return a;for(;;){a%=c;if(!a)return c;c%=a;if(!c)return a}}function n(a,c){p(a,c);if(this instanceof n)a=w(e.d,e.n),this.s=e.s,this.n=e.n/a,this.d=e.d/a;else return m(e.s*e.n,e.d)}var e=
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+a||0);return isNaN(this.n)||isNaN(this.d)?new n(NaN):m(Math.floor(a*this.s*this.n/this.d),a)},round:function(a){a=Math.pow(10,a||0);return isNaN(this.n)||isNaN(this.d)?new n(NaN):m(Math.round(a*this.s*this.n/this.d),a)},inverse:function(){return m(this.s*this.d,this.n)},pow:function(a,c){p(a,c);if(1===e.d)return 0>e.s?m(Math.pow(this.s*this.d,e.n),Math.pow(this.n,e.n)):m(Math.pow(this.s*this.n,e.n),Math.pow(this.d,e.n));if(0>this.s)return null;var b=A(this.n),d=A(this.d),f=1,l=1,k;for(k in b)if("1"!==
+k){if("0"===k){f=0;break}b[k]*=e.n;if(0===b[k]%e.d)b[k]/=e.d;else return null;f*=Math.pow(k,b[k])}for(k in d)if("1"!==k){d[k]*=e.n;if(0===d[k]%e.d)d[k]/=e.d;else return null;l*=Math.pow(k,d[k])}return 0>e.s?m(l,f):m(f,l)},equals:function(a,c){p(a,c);return this.s*this.n*e.d===e.s*e.n*this.d},compare:function(a,c){p(a,c);var b=this.s*this.n*e.d-e.s*e.n*this.d;return(0<b)-(0>b)},simplify:function(a){if(isNaN(this.n)||isNaN(this.d))return this;a=a||.001;for(var c=this.abs(),b=c.toContinued(),d=1;d<b.length;d++){for(var f=
+m(b[d-1],1),l=d-2;0<=l;l--)f=f.inverse().add(b[l]);if(Math.abs(f.sub(c).valueOf())<a)return f.mul(this.s)}return this},divisible:function(a,c){p(a,c);return!(!(e.n*this.d)||this.n*e.d%(e.n*this.d))},valueOf:function(){return this.s*this.n/this.d},toFraction:function(a){var c,b="",d=this.n,f=this.d;0>this.s&&(b+="-");1===f?b+=d:(a&&0<(c=Math.floor(d/f))&&(b=b+c+" ",d%=f),b=b+d+"/",b+=f);return b},toLatex:function(a){var c,b="",d=this.n,f=this.d;0>this.s&&(b+="-");1===f?b+=d:(a&&0<(c=Math.floor(d/f))&&
+(b+=c,d%=f),b=b+"\\frac{"+d+"}{"+f,b+="}");return b},toContinued:function(){var a=this.n,c=this.d,b=[];if(isNaN(a)||isNaN(c))return b;do{b.push(Math.floor(a/c));var d=a%c;a=c;c=d}while(1!==a);return b},toString:function(a){var c=this.n,b=this.d;if(isNaN(c)||isNaN(b))return"NaN";var d;a:{for(d=b;0===d%2;d/=2);for(;0===d%5;d/=5);if(1===d)d=0;else{for(var f=10%d,l=1;1!==f;l++)if(f=10*f%d,2E3<l){d=0;break a}d=l}}a:{f=1;l=10;for(var k=d,t=1;0<k;l=l*l%b,k>>=1)k&1&&(t=t*l%b);l=t;for(k=0;300>k;k++){if(f===
+l){l=k;break a}f=10*f%b;l=10*l%b}l=0}f=0>this.s?"-":"";f+=c/b|0;(c=c%b*10)&&(f+=".");if(d){for(a=l;a--;)f+=c/b|0,c%=b,c*=10;f+="(";for(a=d;a--;)f+=c/b|0,c%=b,c*=10;f+=")"}else for(a=a||15;c&&a--;)f+=c/b|0,c%=b,c*=10;return f}};"function"===typeof define&&define.amd?define([],function(){return n}):"object"===typeof exports?(Object.defineProperty(n,"__esModule",{value:!0}),n["default"]=n,n.Fraction=n,module.exports=n):B.Fraction=n})(this);

package.json

 {
     "name": "fraction.js",
     "title": "fraction.js",
-    "version": "4.2.0",
+    "version": "4.2.1",
     "homepage": "https://www.xarg.org/2014/03/rational-numbers-in-javascript/",
@@ -6,0 +6,0 @@ "bugs": "https://github.com/infusion/Fraction.js/issues",

README.md

@@ -15,11 +15,17 @@ # Fraction.js - ℚ in JavaScript
 
-If you need more precision or just want a fraction as a result, have a look at *Fraction.js*:
+If you need more precision or just want a fraction as a result, just include *Fraction.js*:
 
 ```javascript
 var Fraction = require('fraction.js');
+// or
+import { Fraction } from 'fraction.js';
+```
 
+and give it a trial:
+
+```javascript
 Fraction(1).div(98).mul(98) // = 1
 ```
 
-Internally, numbers are represented as *numerator / denominator*, which adds just a little overhead. However, the library is written with performance in mind and outperforms any other implementation, as you can see [here](http://jsperf.com/convert-a-rational-number-to-a-babylonian-fractions/28). This basic data-type makes it the perfect basis for [Polynomial.js](https://github.com/infusion/Polynomial.js) and [Math.js](https://github.com/josdejong/mathjs).
+Internally, numbers are represented as *numerator / denominator*, which adds just a little overhead. However, the library is written with performance and accuracy in mind, which makes it the perfect basis for [Polynomial.js](https://github.com/infusion/Polynomial.js) and [Math.js](https://github.com/josdejong/mathjs).
 
@@ -166,3 +172,3 @@ Convert decimal to fraction
 var f = new Fraction("-6.(3416)");
-console.log("" + f.mod(1).abs()); // Will print 0.(3416)
+console.log("" + f.mod(1).abs()); // 0.(3416)
 ```
@@ -339,3 +345,3 @@
 ---
-Returns the modulus (rest of the division) of the actual object and n (this % n). It's a much more precise [fmod()](#fmod-impreciseness-circumvented) if you will. Please note that *mod()* is just like the modulo operator of most programming languages. If you want a mathematical correct modulo, see [here](#mathematical-correct-modulo).
+Returns the modulus (rest of the division) of the actual object and n (this % n). It's a much more precise [fmod()](#fmod-impreciseness-circumvented) if you like. Please note that *mod()* is just like the modulo operator of most programming languages. If you want a mathematical correct modulo, see [here](#mathematical-correct-modulo).
 
@@ -494,3 +500,3 @@ Fraction mod()
 ===
-Copyright (c) 2014-2019, [Robert Eisele](https://www.xarg.org/)
+Copyright (c) 2014-2022, [Robert Eisele](https://www.xarg.org/)
 Dual licensed under the MIT or GPL Version 2 licenses.

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