feat:node-modules

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

@@ -0,0 +1,55 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.createAcos = void 0;
+var _factory = require("../../utils/factory.js");
+const name = 'acos';
+const dependencies = ['typed', 'config', 'Complex'];
+const createAcos = exports.createAcos = /* #__PURE__ */(0, _factory.factory)(name, dependencies, _ref => {
+  let {
+    typed,
+    config,
+    Complex
+  } = _ref;
+  /**
+   * Calculate the inverse cosine of a value.
+   *
+   * To avoid confusion with the matrix arccosine, this function does not
+   * apply to matrices.
+   *
+   * Syntax:
+   *
+   *    math.acos(x)
+   *
+   * Examples:
+   *
+   *    math.acos(0.5)           // returns number 1.0471975511965979
+   *    math.acos(math.cos(1.5)) // returns number 1.5
+   *
+   *    math.acos(2)             // returns Complex 0 + 1.3169578969248166 i
+   *
+   * See also:
+   *
+   *    cos, atan, asin
+   *
+   * @param {number | BigNumber | Complex} x  Function input
+   * @return {number | BigNumber | Complex} The arc cosine of x
+   */
+  return typed(name, {
+    number: function (x) {
+      if (x >= -1 && x <= 1 || config.predictable) {
+        return Math.acos(x);
+      } else {
+        return new Complex(x, 0).acos();
+      }
+    },
+    Complex: function (x) {
+      return x.acos();
+    },
+    BigNumber: function (x) {
+      return x.acos();
+    }
+  });
+});