UNPKG

mathjs

Version:

Math.js is an extensive math library for JavaScript and Node.js. It features a flexible expression parser with support for symbolic computation, comes with a large set of built-in functions and constants, and offers an integrated solution to work with dif

113 lines (111 loc) 4.31 kB
"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.createCompareNumber = exports.createCompare = void 0; var _nearlyEqual = require("../../utils/bignumber/nearlyEqual.js"); var _number = require("../../utils/number.js"); var _factory = require("../../utils/factory.js"); var _matAlgo03xDSf = require("../../type/matrix/utils/matAlgo03xDSf.js"); var _matAlgo12xSfs = require("../../type/matrix/utils/matAlgo12xSfs.js"); var _matAlgo05xSfSf = require("../../type/matrix/utils/matAlgo05xSfSf.js"); var _matrixAlgorithmSuite = require("../../type/matrix/utils/matrixAlgorithmSuite.js"); var _compareUnits = require("./compareUnits.js"); var name = 'compare'; var dependencies = ['typed', 'config', 'matrix', 'equalScalar', 'BigNumber', 'Fraction', 'DenseMatrix', 'concat']; var createCompare = exports.createCompare = /* #__PURE__ */(0, _factory.factory)(name, dependencies, function (_ref) { var typed = _ref.typed, config = _ref.config, equalScalar = _ref.equalScalar, matrix = _ref.matrix, BigNumber = _ref.BigNumber, Fraction = _ref.Fraction, DenseMatrix = _ref.DenseMatrix, concat = _ref.concat; var matAlgo03xDSf = (0, _matAlgo03xDSf.createMatAlgo03xDSf)({ typed: typed }); var matAlgo05xSfSf = (0, _matAlgo05xSfSf.createMatAlgo05xSfSf)({ typed: typed, equalScalar: equalScalar }); var matAlgo12xSfs = (0, _matAlgo12xSfs.createMatAlgo12xSfs)({ typed: typed, DenseMatrix: DenseMatrix }); var matrixAlgorithmSuite = (0, _matrixAlgorithmSuite.createMatrixAlgorithmSuite)({ typed: typed, matrix: matrix, concat: concat }); var compareUnits = (0, _compareUnits.createCompareUnits)({ typed: typed }); /** * Compare two values. Returns 1 when x > y, -1 when x < y, and 0 when x == y. * * x and y are considered equal when the relative difference between x and y * is smaller than the configured epsilon. The function cannot be used to * compare values smaller than approximately 2.22e-16. * * For matrices, the function is evaluated element wise. * Strings are compared by their numerical value. * * Syntax: * * math.compare(x, y) * * Examples: * * math.compare(6, 1) // returns 1 * math.compare(2, 3) // returns -1 * math.compare(7, 7) // returns 0 * math.compare('10', '2') // returns 1 * math.compare('1000', '1e3') // returns 0 * * const a = math.unit('5 cm') * const b = math.unit('40 mm') * math.compare(a, b) // returns 1 * * math.compare(2, [1, 2, 3]) // returns [1, 0, -1] * * See also: * * equal, unequal, smaller, smallerEq, larger, largerEq, compareNatural, compareText * * @param {number | BigNumber | Fraction | Unit | string | Array | Matrix} x First value to compare * @param {number | BigNumber | Fraction | Unit | string | Array | Matrix} y Second value to compare * @return {number | BigNumber | Fraction | Array | Matrix} Returns the result of the comparison: * 1 when x > y, -1 when x < y, and 0 when x == y. */ return typed(name, createCompareNumber({ typed: typed, config: config }), { 'boolean, boolean': function booleanBoolean(x, y) { return x === y ? 0 : x > y ? 1 : -1; }, 'BigNumber, BigNumber': function BigNumberBigNumber(x, y) { return (0, _nearlyEqual.nearlyEqual)(x, y, config.epsilon) ? new BigNumber(0) : new BigNumber(x.cmp(y)); }, 'Fraction, Fraction': function FractionFraction(x, y) { return new Fraction(x.compare(y)); }, 'Complex, Complex': function ComplexComplex() { throw new TypeError('No ordering relation is defined for complex numbers'); } }, compareUnits, matrixAlgorithmSuite({ SS: matAlgo05xSfSf, DS: matAlgo03xDSf, Ss: matAlgo12xSfs })); }); var createCompareNumber = exports.createCompareNumber = /* #__PURE__ */(0, _factory.factory)(name, ['typed', 'config'], function (_ref2) { var typed = _ref2.typed, config = _ref2.config; return typed(name, { 'number, number': function numberNumber(x, y) { return (0, _number.nearlyEqual)(x, y, config.epsilon) ? 0 : x > y ? 1 : -1; } }); });