feat:node-modules

node_modules/mathjs/lib/esm/function/combinatorics/composition.js

@@ -0,0 +1,46 @@
+import { factory } from '../../utils/factory.js';
+var name = 'composition';
+var dependencies = ['typed', 'addScalar', 'combinations', 'isNegative', 'isPositive', 'isInteger', 'larger'];
+export var createComposition = /* #__PURE__ */factory(name, dependencies, _ref => {
+  var {
+    typed,
+    addScalar,
+    combinations,
+    isPositive,
+    isNegative,
+    isInteger,
+    larger
+  } = _ref;
+  /**
+   * The composition counts of n into k parts.
+   *
+   * composition only takes integer arguments.
+   * The following condition must be enforced: k <= n.
+   *
+   * Syntax:
+   *
+   *   math.composition(n, k)
+   *
+   * Examples:
+   *
+   *    math.composition(5, 3) // returns 6
+   *
+   * See also:
+   *
+   *    combinations
+   *
+   * @param {Number | BigNumber} n    Total number of objects in the set
+   * @param {Number | BigNumber} k    Number of objects in the subset
+   * @return {Number | BigNumber}     Returns the composition counts of n into k parts.
+   */
+  return typed(name, {
+    'number | BigNumber, number | BigNumber': function number__BigNumber_number__BigNumber(n, k) {
+      if (!isInteger(n) || !isPositive(n) || !isInteger(k) || !isPositive(k)) {
+        throw new TypeError('Positive integer value expected in function composition');
+      } else if (larger(k, n)) {
+        throw new TypeError('k must be less than or equal to n in function composition');
+      }
+      return combinations(addScalar(n, -1), addScalar(k, -1));
+    }
+  });
+});