import { simplify, evaluate, N, assign } from "@cortex-js/compute-engine";

simplify("x + x + 1").print();
// ➔ 2x + 1

evaluate("2^{11} - 1").print();
// ➔ 2047

N("\\sqrt{2}").print();
// ➔ 1.414213562...

assign("x", 3);
evaluate("x + 2").print();
// ➔ 5

import { evaluate, isNumber } from "@cortex-js/compute-engine";

const expr = evaluate("\\frac{5}{2}");

if (isNumber(expr)) {
  console.log(expr.numericValue);  // 2.5 (type-safe access)
  console.log(expr.isInteger);     // false
}

import { parse, isSymbol, sym } from "@cortex-js/compute-engine";

const expr = parse("x + 1");

// Check if expression is a specific symbol
if (sym(expr) === "x") {
  console.log("This is the variable x");
}

// Or use full type guard for more access
const variable = parse("y");
if (isSymbol(variable)) {
  console.log(variable.symbol);  // "y"
}

import { parse, isFunction } from "@cortex-js/compute-engine";

const expr = parse("2x + 3y");

// Access function structure safely
if (isFunction(expr)) {
  console.log(expr.operator);    // "Add"
  console.log(expr.ops.length);  // 2

  // Iterate over operands
  for (const op of expr.ops) {
    console.log(op.toString());
  }
}

import { parse, simplify, expand } from "@cortex-js/compute-engine";

// Simplify expressions
simplify("x + x").print();
// ➔ 2x

// Expand from LaTeX or Expression
expand("(x + 1)^2").print();
// ➔ x^2 + 2x + 1

// Substitute values
const expr = parse("x^2 + 2x + 1");
expr.subs({ x: 3 }).evaluate().print();
// ➔ 16

import { solve, parse } from "@cortex-js/compute-engine";

// Solve from LaTeX
solve("x^2 - 5x + 6 = 0", "x");
// ➔ [2, 3]

// Solve a linear system
const system = parse("\\begin{cases}x+y=5\\\\x-y=1\\end{cases}");
const solution = system.solve(["x", "y"]);

console.log(solution.x.json);  // 3
console.log(solution.y.json);  // 2

import { ComputeEngine, executeEpsil } from "@cortex-js/compute-engine/epsil";

const ce = new ComputeEngine();
const { value } = executeEpsil(ce, `
  let x = 1/2
  if (x < 1) { x + 1 } else { 0 }
`);
// value.toString() ➔ "3/2"