40 lines
940 B
JavaScript
40 lines
940 B
JavaScript
import { factory } from '../../utils/factory.js';
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var name = 'count';
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var dependencies = ['typed', 'size', 'prod'];
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export var createCount = /* #__PURE__ */factory(name, dependencies, _ref => {
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var {
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typed,
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size,
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prod
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} = _ref;
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/**
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* Count the number of elements of a matrix, array or string.
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*
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* Syntax:
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*
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* math.count(x)
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*
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* Examples:
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*
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* math.count('hello world') // returns 11
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* const A = [[1, 2, 3], [4, 5, 6]]
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* math.count(A) // returns 6
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* math.count(math.range(1,6)) // returns 5
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*
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* See also:
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*
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* size
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*
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* @param {string | Array | Matrix} x A matrix or string
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* @return {number} An integer with the elements in `x`.
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*/
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return typed(name, {
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string: function string(x) {
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return x.length;
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},
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'Matrix | Array': function MatrixArray(x) {
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return prod(size(x));
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}
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});
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}); |