codigo0/node_modules/fraction.js/examples/integrate.js
planetazuzu 5d7a6500fe refactor: Fase 1 - Clean Architecture, refactorización modular y eliminación de duplicidades
-  Ticket 1.1: Estructura Clean Architecture en backend
-  Ticket 1.2: Schemas Zod compartidos
-  Ticket 1.3: Refactorización drugs.ts (1362 → 8 archivos modulares)
-  Ticket 1.4: Refactorización procedures.ts (3583 → 6 archivos modulares)
-  Ticket 1.5: Eliminación de duplicidades (~50 líneas)

Cambios principales:
- Creada estructura Clean Architecture en backend/src/
- Schemas Zod compartidos en backend/src/shared/schemas/
- Refactorización modular de drugs y procedures
- Utilidades genéricas en src/utils/ (filter, validation)
- Eliminados scripts obsoletos y documentación antigua
- Corregidos errores: QueryClient, import test-error-handling
- Build verificado y funcionando correctamente
2026-01-25 21:09:47 +01:00

68 lines
1.8 KiB
JavaScript

/*
Fraction.js v5.0.0 10/1/2024
https://raw.org/article/rational-numbers-in-javascript/
Copyright (c) 2024, Robert Eisele (https://raw.org/)
Licensed under the MIT license.
*/
const Fraction = require('fraction.js');
// NOTE: This is a nice example, but a stable version of this is served with Polynomial.js:
// https://github.com/rawify/Polynomial.js
function integrate(poly) {
poly = poly.replace(/\s+/g, "");
var regex = /(\([+-]?[0-9/]+\)|[+-]?[0-9/]+)x(?:\^(\([+-]?[0-9/]+\)|[+-]?[0-9]+))?/g;
var arr;
var res = {};
while (null !== (arr = regex.exec(poly))) {
var a = (arr[1] || "1").replace("(", "").replace(")", "").split("/");
var b = (arr[2] || "1").replace("(", "").replace(")", "").split("/");
var exp = new Fraction(b).add(1);
var key = "" + exp;
if (res[key] !== undefined) {
res[key] = { x: new Fraction(a).div(exp).add(res[key].x), e: exp };
} else {
res[key] = { x: new Fraction(a).div(exp), e: exp };
}
}
var str = "";
var c = 0;
for (var i in res) {
if (res[i].x.s !== -1n && c > 0) {
str += "+";
} else if (res[i].x.s === -1n) {
str += "-";
}
if (res[i].x.n !== res[i].x.d) {
if (res[i].x.d !== 1n) {
str += res[i].x.n + "/" + res[i].x.d;
} else {
str += res[i].x.n;
}
}
str += "x";
if (res[i].e.n !== res[i].e.d) {
str += "^";
if (res[i].e.d !== 1n) {
str += "(" + res[i].e.n + "/" + res[i].e.d + ")";
} else {
str += res[i].e.n;
}
}
c++;
}
return str;
}
var poly = "-2/3x^3-2x^2+3x+8x^3-1/3x^(4/8)";
console.log("f(x): " + poly);
console.log("F(x): " + integrate(poly));