feat:node-modules

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

@@ -0,0 +1,55 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.createAcosh = void 0;
+var _factory = require("../../utils/factory.js");
+var _index = require("../../plain/number/index.js");
+const name = 'acosh';
+const dependencies = ['typed', 'config', 'Complex'];
+const createAcosh = exports.createAcosh = /* #__PURE__ */(0, _factory.factory)(name, dependencies, _ref => {
+  let {
+    typed,
+    config,
+    Complex
+  } = _ref;
+  /**
+   * Calculate the hyperbolic arccos of a value,
+   * defined as `acosh(x) = ln(sqrt(x^2 - 1) + x)`.
+   *
+   * For matrices, the function is evaluated element wise.
+   *
+   * Syntax:
+   *
+   *    math.acosh(x)
+   *
+   * Examples:
+   *
+   *    math.acosh(1.5)       // returns 0.9624236501192069
+   *
+   * See also:
+   *
+   *    cosh, asinh, atanh
+   *
+   * @param {number | BigNumber | Complex} x  Function input
+   * @return {number | BigNumber | Complex} Hyperbolic arccosine of x
+   */
+  return typed(name, {
+    number: function (x) {
+      if (x >= 1 || config.predictable) {
+        return (0, _index.acoshNumber)(x);
+      }
+      if (x <= -1) {
+        return new Complex(Math.log(Math.sqrt(x * x - 1) - x), Math.PI);
+      }
+      return new Complex(x, 0).acosh();
+    },
+    Complex: function (x) {
+      return x.acosh();
+    },
+    BigNumber: function (x) {
+      return x.acosh();
+    }
+  });
+});