amilajack/esnextbin.md

## esnextbin.md

      
    Raw
  

              esnextbin.md
            
          
    made with esnextbin

  
## index.html
<!doctype html>
<html>
<head>
  <meta charset="utf-8">
  <title>ESNextbin Sketch</title>
  <!-- put additional styles and scripts here -->
</head>
<body>
  <!-- put markup and other contents here -->
</body>
</html>

## index.js
// write ES2015 code and import modules from npm
// and then press "Execute" to run your program
import { expect } from 'chai'

function integ(coefs) {
  const newCoefs = coefs.map(
    (coef, index) => coef / (coefs.length - index)
  )

  return [...newCoefs, 0]
}

function addExp(coefs, x) {
  let sum = 0
  const some = coefs.map((a, index) =>
    Math.pow(x, coefs.length - index - 1) * a
  )

  for (let e of some) {
    sum += e
  }

  return sum
}

function areaExact(coefs, a, b) {
  console.time('areaExact')
  const some = addExp(integ(coefs), b) - addExp(integ(coefs), a)
  console.timeEnd('areaExact')
  return some
}

function areaNumerical(coefs, delta = 1, a, b) {
  console.time('areaNumerical')

  let sum = 0

  for (let i = a; i < b; i+=delta) {
    const comp = addExp(coefs, i) * delta;
    sum += comp
  }

  console.timeEnd('areaNumerical')

  return sum;
}

// expect(integ([3, 4, 5])).to.eql([1, 2, 5, 0])
// expect(addExp([1, 2, 5, 0], 3)).to.eql(60)
expect(areaExact([3, 4, 5], 0, 3)).to.equal(60)
expect(Math.round(areaNumerical([3, 4, 5], 0.001, 0, 3))).to.equal(60)

## package.json
{
  "name": "esnextbin-sketch",
  "version": "0.0.0",
  "dependencies": {
    "chai": "3.5.0",
    "babel-runtime": "6.9.2"
  }
}

## transpiled.js
'use strict';

var _getIterator2 = require('babel-runtime/core-js/get-iterator');

var _getIterator3 = _interopRequireDefault(_getIterator2);

var _toConsumableArray2 = require('babel-runtime/helpers/toConsumableArray');

var _toConsumableArray3 = _interopRequireDefault(_toConsumableArray2);

var _chai = require('chai');

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function integ(coefs) {
  var newCoefs = coefs.map(function (coef, index) {
    return coef / (coefs.length - index);
  });

  return [].concat((0, _toConsumableArray3.default)(newCoefs), [0]);
} // write ES2015 code and import modules from npm
// and then press "Execute" to run your program


function addExp(coefs, x) {
  var sum = 0;
  var some = coefs.map(function (a, index) {
    return Math.pow(x, coefs.length - index - 1) * a;
  });

  var _iteratorNormalCompletion = true;
  var _didIteratorError = false;
  var _iteratorError = undefined;

  try {
    for (var _iterator = (0, _getIterator3.default)(some), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
      var e = _step.value;

      sum += e;
    }
  } catch (err) {
    _didIteratorError = true;
    _iteratorError = err;
  } finally {
    try {
      if (!_iteratorNormalCompletion && _iterator.return) {
        _iterator.return();
      }
    } finally {
      if (_didIteratorError) {
        throw _iteratorError;
      }
    }
  }

  return sum;
}

function areaExact(coefs, a, b) {
  console.time('areaExact');
  var some = addExp(integ(coefs), b) - addExp(integ(coefs), a);
  console.timeEnd('areaExact');
  return some;
}

function areaNumerical(coefs) {
  var delta = arguments.length <= 1 || arguments[1] === undefined ? 1 : arguments[1];
  var a = arguments[2];
  var b = arguments[3];

  console.time('areaNumerical');

  var sum = 0;

  for (var i = a; i < b; i += delta) {
    var comp = addExp(coefs, i) * delta;
    sum += comp;
  }

  console.timeEnd('areaNumerical');

  return sum;
}

// expect(integ([3, 4, 5])).to.eql([1, 2, 5, 0])
// expect(addExp([1, 2, 5, 0], 3)).to.eql(60)
(0, _chai.expect)(areaExact([3, 4, 5], 0, 3)).to.equal(60);
(0, _chai.expect)(Math.round(areaNumerical([3, 4, 5], 0.001, 0, 3))).to.equal(60);
	<!doctype html>
	<html>
	<head>
	<meta charset="utf-8">
	<title>ESNextbin Sketch</title>
	<!-- put additional styles and scripts here -->
	</head>
	<body>
	<!-- put markup and other contents here -->
	</body>
	</html>
	// write ES2015 code and import modules from npm
	// and then press "Execute" to run your program
	import { expect } from 'chai'

	function integ(coefs) {
	const newCoefs = coefs.map(
	(coef, index) => coef / (coefs.length - index)
	)

	return [...newCoefs, 0]
	}

	function addExp(coefs, x) {
	let sum = 0
	const some = coefs.map((a, index) =>
	Math.pow(x, coefs.length - index - 1) * a
	)

	for (let e of some) {
	sum += e
	}

	return sum
	}

	function areaExact(coefs, a, b) {
	console.time('areaExact')
	const some = addExp(integ(coefs), b) - addExp(integ(coefs), a)
	console.timeEnd('areaExact')
	return some
	}

	function areaNumerical(coefs, delta = 1, a, b) {
	console.time('areaNumerical')

	let sum = 0

	for (let i = a; i < b; i+=delta) {
	const comp = addExp(coefs, i) * delta;
	sum += comp
	}

	console.timeEnd('areaNumerical')

	return sum;
	}

	// expect(integ([3, 4, 5])).to.eql([1, 2, 5, 0])
	// expect(addExp([1, 2, 5, 0], 3)).to.eql(60)
	expect(areaExact([3, 4, 5], 0, 3)).to.equal(60)
	expect(Math.round(areaNumerical([3, 4, 5], 0.001, 0, 3))).to.equal(60)
	{
	"name": "esnextbin-sketch",
	"version": "0.0.0",
	"dependencies": {
	"chai": "3.5.0",
	"babel-runtime": "6.9.2"
	}
	}
	'use strict';

	var _getIterator2 = require('babel-runtime/core-js/get-iterator');

	var _getIterator3 = _interopRequireDefault(_getIterator2);

	var _toConsumableArray2 = require('babel-runtime/helpers/toConsumableArray');

	var _toConsumableArray3 = _interopRequireDefault(_toConsumableArray2);

	var _chai = require('chai');

	function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

	function integ(coefs) {
	var newCoefs = coefs.map(function (coef, index) {
	return coef / (coefs.length - index);
	});

	return [].concat((0, _toConsumableArray3.default)(newCoefs), [0]);
	} // write ES2015 code and import modules from npm
	// and then press "Execute" to run your program


	function addExp(coefs, x) {
	var sum = 0;
	var some = coefs.map(function (a, index) {
	return Math.pow(x, coefs.length - index - 1) * a;
	});

	var _iteratorNormalCompletion = true;
	var _didIteratorError = false;
	var _iteratorError = undefined;

	try {
	for (var _iterator = (0, _getIterator3.default)(some), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
	var e = _step.value;

	sum += e;
	}
	} catch (err) {
	_didIteratorError = true;
	_iteratorError = err;
	} finally {
	try {
	if (!_iteratorNormalCompletion && _iterator.return) {
	_iterator.return();
	}
	} finally {
	if (_didIteratorError) {
	throw _iteratorError;
	}
	}
	}

	return sum;
	}

	function areaExact(coefs, a, b) {
	console.time('areaExact');
	var some = addExp(integ(coefs), b) - addExp(integ(coefs), a);
	console.timeEnd('areaExact');
	return some;
	}

	function areaNumerical(coefs) {
	var delta = arguments.length <= 1 \|\| arguments[1] === undefined ? 1 : arguments[1];
	var a = arguments[2];
	var b = arguments[3];

	console.time('areaNumerical');

	var sum = 0;

	for (var i = a; i < b; i += delta) {
	var comp = addExp(coefs, i) * delta;
	sum += comp;
	}

	console.timeEnd('areaNumerical');

	return sum;
	}

	// expect(integ([3, 4, 5])).to.eql([1, 2, 5, 0])
	// expect(addExp([1, 2, 5, 0], 3)).to.eql(60)
	(0, _chai.expect)(areaExact([3, 4, 5], 0, 3)).to.equal(60);
	(0, _chai.expect)(Math.round(areaNumerical([3, 4, 5], 0.001, 0, 3))).to.equal(60);