leftShift.js 3.5 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112
  1. import { createMatAlgo02xDS0 } from '../../type/matrix/utils/matAlgo02xDS0.js';
  2. import { createMatAlgo11xS0s } from '../../type/matrix/utils/matAlgo11xS0s.js';
  3. import { createMatAlgo14xDs } from '../../type/matrix/utils/matAlgo14xDs.js';
  4. import { createMatAlgo01xDSid } from '../../type/matrix/utils/matAlgo01xDSid.js';
  5. import { createMatAlgo10xSids } from '../../type/matrix/utils/matAlgo10xSids.js';
  6. import { createMatAlgo08xS0Sid } from '../../type/matrix/utils/matAlgo08xS0Sid.js';
  7. import { factory } from '../../utils/factory.js';
  8. import { createMatrixAlgorithmSuite } from '../../type/matrix/utils/matrixAlgorithmSuite.js';
  9. import { createUseMatrixForArrayScalar } from './useMatrixForArrayScalar.js';
  10. import { leftShiftNumber } from '../../plain/number/index.js';
  11. import { leftShiftBigNumber } from '../../utils/bignumber/bitwise.js';
  12. var name = 'leftShift';
  13. var dependencies = ['typed', 'matrix', 'equalScalar', 'zeros', 'DenseMatrix'];
  14. export var createLeftShift = /* #__PURE__ */factory(name, dependencies, _ref => {
  15. var {
  16. typed,
  17. matrix,
  18. equalScalar,
  19. zeros,
  20. DenseMatrix
  21. } = _ref;
  22. var matAlgo01xDSid = createMatAlgo01xDSid({
  23. typed
  24. });
  25. var matAlgo02xDS0 = createMatAlgo02xDS0({
  26. typed,
  27. equalScalar
  28. });
  29. var matAlgo08xS0Sid = createMatAlgo08xS0Sid({
  30. typed,
  31. equalScalar
  32. });
  33. var matAlgo10xSids = createMatAlgo10xSids({
  34. typed,
  35. DenseMatrix
  36. });
  37. var matAlgo11xS0s = createMatAlgo11xS0s({
  38. typed,
  39. equalScalar
  40. });
  41. var matAlgo14xDs = createMatAlgo14xDs({
  42. typed
  43. });
  44. var matrixAlgorithmSuite = createMatrixAlgorithmSuite({
  45. typed,
  46. matrix
  47. });
  48. var useMatrixForArrayScalar = createUseMatrixForArrayScalar({
  49. typed,
  50. matrix
  51. });
  52. /**
  53. * Bitwise left logical shift of a value x by y number of bits, `x << y`.
  54. * For matrices, the function is evaluated element wise.
  55. * For units, the function is evaluated on the best prefix base.
  56. *
  57. * Syntax:
  58. *
  59. * math.leftShift(x, y)
  60. *
  61. * Examples:
  62. *
  63. * math.leftShift(1, 2) // returns number 4
  64. *
  65. * math.leftShift([1, 2, 4], 4) // returns Array [16, 32, 64]
  66. *
  67. * See also:
  68. *
  69. * leftShift, bitNot, bitOr, bitXor, rightArithShift, rightLogShift
  70. *
  71. * @param {number | BigNumber | Array | Matrix} x Value to be shifted
  72. * @param {number | BigNumber} y Amount of shifts
  73. * @return {number | BigNumber | Array | Matrix} `x` shifted left `y` times
  74. */
  75. return typed(name, {
  76. 'number, number': leftShiftNumber,
  77. 'BigNumber, BigNumber': leftShiftBigNumber,
  78. 'SparseMatrix, number | BigNumber': typed.referToSelf(self => (x, y) => {
  79. // check scalar
  80. if (equalScalar(y, 0)) {
  81. return x.clone();
  82. }
  83. return matAlgo11xS0s(x, y, self, false);
  84. }),
  85. 'DenseMatrix, number | BigNumber': typed.referToSelf(self => (x, y) => {
  86. // check scalar
  87. if (equalScalar(y, 0)) {
  88. return x.clone();
  89. }
  90. return matAlgo14xDs(x, y, self, false);
  91. }),
  92. 'number | BigNumber, SparseMatrix': typed.referToSelf(self => (x, y) => {
  93. // check scalar
  94. if (equalScalar(x, 0)) {
  95. return zeros(y.size(), y.storage());
  96. }
  97. return matAlgo10xSids(y, x, self, true);
  98. }),
  99. 'number | BigNumber, DenseMatrix': typed.referToSelf(self => (x, y) => {
  100. // check scalar
  101. if (equalScalar(x, 0)) {
  102. return zeros(y.size(), y.storage());
  103. }
  104. return matAlgo14xDs(y, x, self, true);
  105. })
  106. }, useMatrixForArrayScalar, matrixAlgorithmSuite({
  107. SS: matAlgo08xS0Sid,
  108. DS: matAlgo01xDSid,
  109. SD: matAlgo02xDS0
  110. }));
  111. });