size.js 1.6 KB

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  1. "use strict";
  2. Object.defineProperty(exports, "__esModule", {
  3. value: true
  4. });
  5. exports.createSize = void 0;
  6. var _array = require("../../utils/array.js");
  7. var _factory = require("../../utils/factory.js");
  8. var _noop = require("../../utils/noop.js");
  9. var name = 'size';
  10. var dependencies = ['typed', 'config', '?matrix'];
  11. var createSize = /* #__PURE__ */(0, _factory.factory)(name, dependencies, function (_ref) {
  12. var typed = _ref.typed,
  13. config = _ref.config,
  14. matrix = _ref.matrix;
  15. /**
  16. * Calculate the size of a matrix or scalar.
  17. *
  18. * Syntax:
  19. *
  20. * math.size(x)
  21. *
  22. * Examples:
  23. *
  24. * math.size(2.3) // returns []
  25. * math.size('hello world') // returns [11]
  26. *
  27. * const A = [[1, 2, 3], [4, 5, 6]]
  28. * math.size(A) // returns [2, 3]
  29. * math.size(math.range(1,6)) // returns [5]
  30. *
  31. * See also:
  32. *
  33. * count, resize, squeeze, subset
  34. *
  35. * @param {boolean | number | Complex | Unit | string | Array | Matrix} x A matrix
  36. * @return {Array | Matrix} A vector with size of `x`.
  37. */
  38. return typed(name, {
  39. Matrix: function Matrix(x) {
  40. return x.create(x.size());
  41. },
  42. Array: _array.arraySize,
  43. string: function string(x) {
  44. return config.matrix === 'Array' ? [x.length] : matrix([x.length]);
  45. },
  46. 'number | Complex | BigNumber | Unit | boolean | null': function numberComplexBigNumberUnitBooleanNull(x) {
  47. // scalar
  48. return config.matrix === 'Array' ? [] : matrix ? matrix([]) : (0, _noop.noMatrix)();
  49. }
  50. });
  51. });
  52. exports.createSize = createSize;