jiangchengfeiyi-xiaochengxu/node_modules/mathjs/lib/cjs/function/arithmetic/unaryPlus.js
2025-01-02 11:13:50 +08:00

69 lines
2.0 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.createUnaryPlus = void 0;
var _factory = require("../../utils/factory.js");
var _collection = require("../../utils/collection.js");
var _index = require("../../plain/number/index.js");
var _number = require("../../utils/number.js");
const name = 'unaryPlus';
const dependencies = ['typed', 'config', 'numeric'];
const createUnaryPlus = exports.createUnaryPlus = /* #__PURE__ */(0, _factory.factory)(name, dependencies, _ref => {
let {
typed,
config,
numeric
} = _ref;
/**
* Unary plus operation.
* Boolean values and strings will be converted to a number, numeric values will be returned as is.
*
* For matrices, the function is evaluated element wise.
*
* Syntax:
*
* math.unaryPlus(x)
*
* Examples:
*
* math.unaryPlus(3.5) // returns 3.5
* math.unaryPlus(1) // returns 1
*
* See also:
*
* unaryMinus, add, subtract
*
* @param {number | BigNumber | bigint | Fraction | string | Complex | Unit | Array | Matrix} x
* Input value
* @return {number | BigNumber | bigint | Fraction | Complex | Unit | Array | Matrix}
* Returns the input value when numeric, converts to a number when input is non-numeric.
*/
return typed(name, {
number: _index.unaryPlusNumber,
Complex: function (x) {
return x; // complex numbers are immutable
},
BigNumber: function (x) {
return x; // bignumbers are immutable
},
bigint: function (x) {
return x;
},
Fraction: function (x) {
return x; // fractions are immutable
},
Unit: function (x) {
return x.clone();
},
// deep map collection, skip zeros since unaryPlus(0) = 0
'Array | Matrix': typed.referToSelf(self => x => (0, _collection.deepMap)(x, self, true)),
boolean: function (x) {
return numeric(x ? 1 : 0, config.number);
},
string: function (x) {
return numeric(x, (0, _number.safeNumberType)(x, config));
}
});
});