52 lines
1.3 KiB
JavaScript
52 lines
1.3 KiB
JavaScript
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import { factory } from '../../utils/factory.js';
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import { deepMap } from '../../utils/collection.js';
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import { secNumber } from '../../plain/number/index.js';
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var name = 'sec';
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var dependencies = ['typed', 'BigNumber'];
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export var createSec = /* #__PURE__ */factory(name, dependencies, _ref => {
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var {
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typed,
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BigNumber: _BigNumber
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} = _ref;
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/**
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* Calculate the secant of a value, defined as `sec(x) = 1/cos(x)`.
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*
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* For matrices, the function is evaluated element wise.
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*
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* Syntax:
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*
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* math.sec(x)
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*
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* Examples:
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*
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* math.sec(2) // returns number -2.4029979617223822
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* 1 / math.cos(2) // returns number -2.4029979617223822
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*
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* See also:
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*
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* cos, csc, cot
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*
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* @param {number | Complex | Unit | Array | Matrix} x Function input
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* @return {number | Complex | Array | Matrix} Secant of x
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*/
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return typed(name, {
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number: secNumber,
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Complex: function Complex(x) {
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return x.sec();
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},
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BigNumber: function BigNumber(x) {
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return new _BigNumber(1).div(x.cos());
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},
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Unit: function Unit(x) {
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if (!x.hasBase(x.constructor.BASE_UNITS.ANGLE)) {
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throw new TypeError('Unit in function sec is no angle');
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}
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return this(x.value);
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},
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'Array | Matrix': function ArrayMatrix(x) {
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return deepMap(x, this);
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}
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});
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});
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