feat:node-modules

node_modules/mathjs/lib/cjs/function/trigonometry/atanh.js

@@ -0,0 +1,53 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.createAtanh = void 0;
+var _factory = require("../../utils/factory.js");
+var _index = require("../../plain/number/index.js");
+const name = 'atanh';
+const dependencies = ['typed', 'config', 'Complex'];
+const createAtanh = exports.createAtanh = /* #__PURE__ */(0, _factory.factory)(name, dependencies, _ref => {
+  let {
+    typed,
+    config,
+    Complex
+  } = _ref;
+  /**
+   * Calculate the hyperbolic arctangent of a value,
+   * defined as `atanh(x) = ln((1 + x)/(1 - x)) / 2`.
+   *
+   * To avoid confusion with the matrix hyperbolic arctangent, this function
+   * does not apply to matrices.
+   *
+   * Syntax:
+   *
+   *    math.atanh(x)
+   *
+   * Examples:
+   *
+   *    math.atanh(0.5)       // returns 0.5493061443340549
+   *
+   * See also:
+   *
+   *    acosh, asinh
+   *
+   * @param {number | BigNumber | Complex} x  Function input
+   * @return {number | BigNumber | Complex} Hyperbolic arctangent of x
+   */
+  return typed(name, {
+    number: function (x) {
+      if (x <= 1 && x >= -1 || config.predictable) {
+        return (0, _index.atanhNumber)(x);
+      }
+      return new Complex(x, 0).atanh();
+    },
+    Complex: function (x) {
+      return x.atanh();
+    },
+    BigNumber: function (x) {
+      return x.atanh();
+    }
+  });
+});