pybuiltinfunc/dist/modules/math.js

Python built-in Functions and Modules in Javascript

module.exports.sqrt = (some = 0) => parseFloat(Math.sqrt(some));
module.exports.acos = (num = 0) => Math.acos(num);
module.exports.acosh = (num = 0) => Math.acosh(num);
module.exports.asin = (num = 0) => Math.asin(num);
module.exports.asinh = (num = 0) => Math.asinh(num);
module.exports.atan = (num = 0) => Math.atan(num);
module.exports.atan2 = (x = 0, y= 0) => Math.atan2(x, y);
module.exports.atanh = (num = 0) => Math.atanh(num);
module.exports.ceil = (num = 0) => {
  return Math.ceil(num);
};
module.exports.factorial = (n = 0) => fact(n);
module.exports.comb = (n = 0, r = 0) => {
  let first = fact(n);
  let second = fact(r) * fact(n - r);
  let answer = first / second;
  return answer;
};
function fact(n) {
  if (n < 0) return;
  if (n < 2) return 1;
  return n * fact(n - 1);
}
module.exports.cbrt = (num = 0) => Math.cbrt(num);
module.exports.copysign = (x = 0, y = 8) => {
  if (Math.sign(x) === -1) {
    return Math.sign(y) * (x * -1);
  }
  return Math.sign(y) * x;
};
module.exports.cos = (x = 0) => Math.cos(x);
module.exports.cosh = (x = 0) => Math.cosh(x);
module.exports.degrees = (rad = 0) => (rad * 180) / Math.PI;
module.exports.dist = ([x1, y1] = [0, 0], [x2, y2] = [0, 0]) =>
  Math.hypot(x2 - x1, y2 - y1);
module.exports.exp = (x = 1) => Math.exp(x);
module.exports.expm1 = (x = 1) => Math.expm1(x);
module.exports.floor = (x = 1) => Math.floor(x);
module.exports.fmod = (x = 1, y = 1) => x % y;
module.exports.gcd = (a = 0, b = 0) => {
  let run = true;
  let first = a;
  let second = b;
  let third;
  while (run) {
    if (second === 0) {
      return first;
    } else {
      third = first; // a
      first = second; // b
      second = third % first;
    }
  }
};
module.exports.hypot = (...x) => Math.hypot(...x);
module.exports.sin = (x = 0) => Math.sin(x);
module.exports.sinh = (x = 0) => Math.sinh(x);
module.exports.tan = (x = 0) => Math.tan(x);
module.exports.tanh = (x = 0) => Math.tanh(x);
module.exports.e = Math.E;
module.exports.pi = Math.PI;
module.exports.pow = (x = 0, y = 0) => Math.pow(x, y);
module.exports.log = (x = 0) => Math.log(x);
module.exports.log2 = (x = 0) => Math.log2(x);
module.exports.log10 = (x = 0) => Math.log10(x);
module.exports.log1p = (x = 0) => Math.log1p(x);
module.exports.prod = (x = 0) => parseInt(x);
module.exports.isfinite = (x = 0) => isFinite(x);
module.exports.isinf = (x = 0) => !isFinite(x);
module.exports.inf = Number.POSITIVE_INFINITY;
module.exports.nan = Number.NaN;
module.exports.tau = 2 * Math.PI;
module.exports.isqrt = (x = 0) => {
  if (x <= 0) {
    return "Error: Number should be greater than or equal to 0";
  }
  if (x === 0) {
    return 0;
  } else {
    while (Math.sqrt(x) % 1 !== 0) {
      x--;
    }
    return x;
  }
};
module.exports.randians = (deg = 0) => (deg * Math.PI) / 180;
module.exports.isnan = (x = 0) => isNaN(x);
module.exports.prod = (list = [0, 0, 0, 0]) => {
  let sum = 0;
  for (let i = 0; i < list.length; i++) {
    if (i === 0) {
      sum = list[i];
    } else {
      sum = sum * list[i];
    }
  }
  return sum;
};
module.exports.perm = (n = 0, k = 0) => {
  let first = fact(n);
  let second = fact(n - k);
  return first / second;
};