jiangchengfeiyi-xiaochengxu/node_modules/mathjs/lib/esm/function/bitwise/rightLogShift.js
2025-01-02 11:13:50 +08:00

115 lines
3.5 KiB
JavaScript

import { createMatAlgo02xDS0 } from '../../type/matrix/utils/matAlgo02xDS0.js';
import { createMatAlgo11xS0s } from '../../type/matrix/utils/matAlgo11xS0s.js';
import { createMatAlgo14xDs } from '../../type/matrix/utils/matAlgo14xDs.js';
import { createMatAlgo01xDSid } from '../../type/matrix/utils/matAlgo01xDSid.js';
import { createMatAlgo10xSids } from '../../type/matrix/utils/matAlgo10xSids.js';
import { createMatAlgo08xS0Sid } from '../../type/matrix/utils/matAlgo08xS0Sid.js';
import { factory } from '../../utils/factory.js';
import { createMatrixAlgorithmSuite } from '../../type/matrix/utils/matrixAlgorithmSuite.js';
import { rightLogShiftNumber } from '../../plain/number/index.js';
import { createUseMatrixForArrayScalar } from './useMatrixForArrayScalar.js';
var name = 'rightLogShift';
var dependencies = ['typed', 'matrix', 'equalScalar', 'zeros', 'DenseMatrix', 'concat'];
export var createRightLogShift = /* #__PURE__ */factory(name, dependencies, _ref => {
var {
typed,
matrix,
equalScalar,
zeros,
DenseMatrix,
concat
} = _ref;
var matAlgo01xDSid = createMatAlgo01xDSid({
typed
});
var matAlgo02xDS0 = createMatAlgo02xDS0({
typed,
equalScalar
});
var matAlgo08xS0Sid = createMatAlgo08xS0Sid({
typed,
equalScalar
});
var matAlgo10xSids = createMatAlgo10xSids({
typed,
DenseMatrix
});
var matAlgo11xS0s = createMatAlgo11xS0s({
typed,
equalScalar
});
var matAlgo14xDs = createMatAlgo14xDs({
typed
});
var matrixAlgorithmSuite = createMatrixAlgorithmSuite({
typed,
matrix,
concat
});
var useMatrixForArrayScalar = createUseMatrixForArrayScalar({
typed,
matrix
});
/**
* Bitwise right logical shift of value x by y number of bits, `x >>> y`.
* For matrices, the function is evaluated element wise.
* For units, the function is evaluated on the best prefix base.
*
* Syntax:
*
* math.rightLogShift(x, y)
*
* Examples:
*
* math.rightLogShift(4, 2) // returns number 1
*
* math.rightLogShift([16, 32, 64], 4) // returns Array [1, 2, 4]
*
* See also:
*
* bitAnd, bitNot, bitOr, bitXor, leftShift, rightLogShift
*
* @param {number | Array | Matrix} x Value to be shifted
* @param {number} y Amount of shifts
* @return {number | Array | Matrix} `x` zero-filled shifted right `y` times
*/
return typed(name, {
'number, number': rightLogShiftNumber,
// 'BigNumber, BigNumber': ..., // TODO: implement BigNumber support for rightLogShift
'SparseMatrix, number | BigNumber': typed.referToSelf(self => (x, y) => {
// check scalar
if (equalScalar(y, 0)) {
return x.clone();
}
return matAlgo11xS0s(x, y, self, false);
}),
'DenseMatrix, number | BigNumber': typed.referToSelf(self => (x, y) => {
// check scalar
if (equalScalar(y, 0)) {
return x.clone();
}
return matAlgo14xDs(x, y, self, false);
}),
'number | BigNumber, SparseMatrix': typed.referToSelf(self => (x, y) => {
// check scalar
if (equalScalar(x, 0)) {
return zeros(y.size(), y.storage());
}
return matAlgo10xSids(y, x, self, true);
}),
'number | BigNumber, DenseMatrix': typed.referToSelf(self => (x, y) => {
// check scalar
if (equalScalar(x, 0)) {
return zeros(y.size(), y.storage());
}
return matAlgo14xDs(y, x, self, true);
})
}, useMatrixForArrayScalar, matrixAlgorithmSuite({
SS: matAlgo08xS0Sid,
DS: matAlgo01xDSid,
SD: matAlgo02xDS0
}));
});