diff --git a/lib/node_modules/@stdlib/number/uint64/base/to-words/README.md b/lib/node_modules/@stdlib/number/uint64/base/to-words/README.md new file mode 100644 index 000000000000..a74aebb07719 --- /dev/null +++ b/lib/node_modules/@stdlib/number/uint64/base/to-words/README.md @@ -0,0 +1,120 @@ + + +# toWords + +> Split a [64-bit unsigned integer][uint64] into a higher order word and a lower order word. + +
+ +## Usage + +```javascript +var toWords = require( '@stdlib/number/uint64/base/to-words' ); +``` + +#### toWords( a ) + +Splits a [64-bit unsigned integer][uint64] into a higher order word (32-bit unsigned integer) and a lower order word (32-bit unsigned integer). + +```javascript +var Uint64 = require( '@stdlib/number/uint64/ctor' ); + +var a = new Uint64( 4294967296 ); +var w = toWords( a ); +// returns [ 1, 0 ] + +var high = w[ 0 ]; +// returns 1 + +var low = w[ 1 ]; +// returns 0 +``` + +By default, the function returns an `array` containing two elements: a higher order word and a lower order word. The lower order word contains the less significant bits, while the higher order word contains the more significant bits. + +#### toWords.assign( a, out, stride, offset ) + +Splits a [64-bit unsigned integer][uint64] into a higher order word (32-bit unsigned integer) and a lower order word (32-bit unsigned integer) and assigns results to a provided output array. + +```javascript +var Uint32Array = require( '@stdlib/array/uint32' ); +var Uint64 = require( '@stdlib/number/uint64/ctor' ); + +var out = new Uint32Array( 2 ); + +var a = new Uint64( 4294967296 ); +var w = toWords.assign( a, out, 1, 0 ); +// returns [ 1, 0 ] + +var bool = ( w === out ); +// returns true +``` + +
+ + + +
+ +## Examples + +```javascript +var toWords = require( '@stdlib/number/uint64/base/to-words' ); +var Uint64 = require( '@stdlib/number/uint64/ctor' ); + +var a = new Uint64( 4294967296 ); +var w = toWords( a ); +// returns [ 1, 0 ] + +a = new Uint64( 10000000000 ); +w = toWords( a ); +// returns [ 2, 1410065408 ] + +a = new Uint64.of( 12, 34 ); +w = toWords( a ); +// returns [ 12, 34 ] +``` + +
+ + + + + +
+ +
+ + + + + +
+ +[uint64]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/number/uint64/ctor + + + + + +
+ + diff --git a/lib/node_modules/@stdlib/number/uint64/base/to-words/benchmark/benchmark.js b/lib/node_modules/@stdlib/number/uint64/base/to-words/benchmark/benchmark.js new file mode 100644 index 000000000000..decfdd6e63fb --- /dev/null +++ b/lib/node_modules/@stdlib/number/uint64/base/to-words/benchmark/benchmark.js @@ -0,0 +1,89 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var bench = require( '@stdlib/bench' ); +var Uint32Array = require( '@stdlib/array/uint32' ); +var isArray = require( '@stdlib/assert/is-array' ); +var UINT32_MAX = require( '@stdlib/constants/uint32/max' ); +var Uint64 = require( '@stdlib/number/uint64/ctor' ); +var discreteUniform = require( '@stdlib/random/array/discrete-uniform' ); +var format = require( '@stdlib/string/format' ); +var pkg = require( './../package.json' ).name; +var toWords = require( './../lib' ); + + +// MAIN // + +bench( pkg, function benchmark( b ) { + var values; + var a; + var w; + var i; + + values = discreteUniform( 100, 0, UINT32_MAX, { + 'dtype': 'uint32' + }); + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + a = Uint64.of( values[ i % values.length ], values[ (i+1) % values.length ] ); // eslint-disable-line max-len + w = toWords( a ); + if ( typeof w !== 'object' ) { + b.fail( 'should return an array' ); + } + } + b.toc(); + if ( !isArray( w ) ) { + b.fail( 'should return an array' ); + } + b.pass( 'benchmark finished' ); + b.end(); +}); + +bench( format( '%s:assign', pkg ), function benchmark( b ) { + var values; + var out; + var a; + var w; + var i; + + values = discreteUniform( 100, 0, UINT32_MAX, { + 'dtype': 'uint32' + }); + + out = new Uint32Array( 2 ); + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + a = Uint64.of( values[ i % values.length ], values[ (i+1) % values.length ] ); // eslint-disable-line max-len + w = toWords.assign( a, out, 1, 0 ); + if ( typeof w !== 'object' ) { + b.fail( 'should return an array' ); + } + } + b.toc(); + if ( w !== out ) { + b.fail( 'should return the output array' ); + } + b.pass( 'benchmark finished' ); + b.end(); +}); diff --git a/lib/node_modules/@stdlib/number/uint64/base/to-words/docs/repl.txt b/lib/node_modules/@stdlib/number/uint64/base/to-words/docs/repl.txt new file mode 100644 index 000000000000..4ebee4a9e3bf --- /dev/null +++ b/lib/node_modules/@stdlib/number/uint64/base/to-words/docs/repl.txt @@ -0,0 +1,64 @@ + +{{alias}}( a ) + Splits a 64-bit unsigned integer into a higher order word (32-bit unsigned + integer) and a lower order word (32-bit unsigned integer). + + The function returns an array with two elements: a higher order word and a + lower order word, respectively. The lower order word contains the less + significant bits, while the higher order word contains the more significant + bits. + + Parameters + ---------- + a: Uint64 + 64-bit unsigned integer. + + Returns + ------- + out: Array + Higher and lower order words. + + Examples + -------- + > var a = new {{alias:@stdlib/number/uint64/ctor}}( 10000000000 ) + [ 10000000000n ] + > var w = {{alias}}( a ) + [ 2, 1410065408 ] + + +{{alias}}.assign( a, out, stride, offset ) + Splits a 64-bit unsigned integer into a higher order word (32-bit unsigned + integer) and a lower order word (32-bit unsigned integer) and assigns + results to a provided output array. + + Parameters + ---------- + a: Uint64 + 64-bit unsigned integer. + + out: Array|TypedArray|Object + Output array. + + stride: integer + Output array stride. + + offset: integer + Output array index offset. + + Returns + ------- + out: Array|TypedArray|Object + Higher and lower order words. + + Examples + -------- + > var a = new {{alias:@stdlib/number/uint64/ctor}}( 10000000000 ) + [ 10000000000n ] + > var out = new {{alias:@stdlib/array/uint32}}( 2 ); + > var w = {{alias}}.assign( a, out, 1, 0 ) + [ 2, 1410065408 ] + > var bool = ( w === out ) + true + + See Also + -------- diff --git a/lib/node_modules/@stdlib/number/uint64/base/to-words/docs/types/index.d.ts b/lib/node_modules/@stdlib/number/uint64/base/to-words/docs/types/index.d.ts new file mode 100644 index 000000000000..056cbcb5c49c --- /dev/null +++ b/lib/node_modules/@stdlib/number/uint64/base/to-words/docs/types/index.d.ts @@ -0,0 +1,101 @@ +/* +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +// TypeScript Version: 4.1 + +/// + +import { Collection, NumericArray } from '@stdlib/types/array'; +import { Uint64 } from '@stdlib/types/number'; + +/** +* Interface describing `toWords`. +*/ +interface ToWords { + /** + * Splits a 64-bit unsigned integer into a higher order word (unsigned 32-bit integer) and a lower order word (unsigned 32-bit integer). + * + * @param a - input value + * @returns output array + * + * @example + * var Uint64 = require( '@stdlib/number/uint64/ctor' ); + * + * var a = new Uint64( 4294967296 ); + * var w = toWords( a ); + * // returns [ 1, 0 ] + */ + ( a: Uint64 ): Array; + + /** + * Splits a 64-bit unsigned integer into a higher order word (unsigned 32-bit integer) and a lower order word (unsigned 32-bit integer) and assigns results to a provided output array. + * + * @param a - input value + * @param out - output array + * @param stride - stride length + * @param offset - starting index + * @returns output array + * + * @example + * var Uint32Array = require( '@stdlib/array/uint32' ); + * var Uint64 = require( '@stdlib/number/uint64/ctor' ); + * + * var out = new Uint32Array( 2 ); + * + * var a = new Uint64( 4294967296 ); + * var w = toWords.assign( a, out, 1, 0 ); + * // returns [ 1, 0 ] + * + * var bool = ( w === out ); + * // returns true + */ + assign>( a: Uint64, out: T, stride: number, offset: number ): T; +} + +/** +* Splits a 64-bit unsigned integer into a higher order word (unsigned 32-bit integer) and a lower order word (unsigned 32-bit integer). +* +* @param a - input value +* @returns output array +* +* @example +* var Uint64 = require( '@stdlib/number/uint64/ctor' ); +* +* var a = new Uint64( 4294967296 ); +* var w = toWords( a ); +* // returns [ 1, 0 ] +* +* @example +* var Uint32Array = require( '@stdlib/array/uint32' ); +* var Uint64 = require( '@stdlib/number/uint64/ctor' ); +* +* var out = new Uint32Array( 2 ); +* +* var a = new Uint64( 4294967296 ); +* var w = toWords.assign( a, out, 1, 0 ); +* // returns [ 1, 0 ] +* +* var bool = ( w === out ); +* // returns true +*/ +declare var toWords: ToWords; + + +// EXPORTS // + +export = toWords; diff --git a/lib/node_modules/@stdlib/number/uint64/base/to-words/docs/types/test.ts b/lib/node_modules/@stdlib/number/uint64/base/to-words/docs/types/test.ts new file mode 100644 index 000000000000..db6ba2beec59 --- /dev/null +++ b/lib/node_modules/@stdlib/number/uint64/base/to-words/docs/types/test.ts @@ -0,0 +1,120 @@ +/* +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +import Uint64 = require( '@stdlib/number/uint64/ctor' ); +import toWords = require( './index' ); + + +// TESTS // + +// The function returns an array... +{ + const a = new Uint64( 5 ); + toWords( a ); // $ExpectType number[] +} + +// The compiler throws an error if the function is provided an argument that is not a 64-bit unsigned integer... +{ + toWords( '5' ); // $ExpectError + toWords( true ); // $ExpectError + toWords( false ); // $ExpectError + toWords( null ); // $ExpectError + toWords( {} ); // $ExpectError + toWords( ( x: number ): number => x ); // $ExpectError +} + +// The compiler throws an error if the function is provided an unsupported number of arguments... +{ + const a = new Uint64( 5 ); + + toWords(); // $ExpectError + toWords( a, a ); // $ExpectError +} + +// Attached to the main export is an `assign` method which returns an array-like object containing numbers... +{ + const a = new Uint64( 5 ); + + toWords.assign( a, [ 0, 0 ], 1, 0 ); // $ExpectType number[] + toWords.assign( a, new Uint32Array( 2 ), 1, 0 ); // $ExpectType Uint32Array + toWords.assign( a, new Float64Array( 2 ), 1, 0 ); // $ExpectType Float64Array +} + +// The compiler throws an error if the `assign` method is provided a first argument which is not a 64-bit unsigned integer... +{ + const out = [ 0.0, 0.0 ]; + + toWords.assign( true, out, 1, 0 ); // $ExpectError + toWords.assign( false, out, 1, 0 ); // $ExpectError + toWords.assign( '5', out, 1, 0 ); // $ExpectError + toWords.assign( null, out, 1, 0 ); // $ExpectError + toWords.assign( [], out, 1, 0 ); // $ExpectError + toWords.assign( {}, out, 1, 0 ); // $ExpectError + toWords.assign( ( x: number ): number => x, out, 1, 0 ); // $ExpectError +} + +// The compiler throws an error if the `assign` method is provided a second argument which is not an array-like object... +{ + const a = new Uint64( 5 ); + + toWords.assign( a, 1, 1, 0 ); // $ExpectError + toWords.assign( a, true, 1, 0 ); // $ExpectError + toWords.assign( a, false, 1, 0 ); // $ExpectError + toWords.assign( a, null, 1, 0 ); // $ExpectError + toWords.assign( a, {}, 1, 0 ); // $ExpectError +} + +// The compiler throws an error if the `assign` method is provided a third argument which is not a number... +{ + const out = [ 0.0, 0.0 ]; + const a = new Uint64( 5 ); + + toWords.assign( a, out, '5', 0 ); // $ExpectError + toWords.assign( a, out, true, 0 ); // $ExpectError + toWords.assign( a, out, false, 0 ); // $ExpectError + toWords.assign( a, out, null, 0 ); // $ExpectError + toWords.assign( a, out, [], 0 ); // $ExpectError + toWords.assign( a, out, {}, 0 ); // $ExpectError + toWords.assign( a, out, ( x: number ): number => x, 0 ); // $ExpectError +} + +// The compiler throws an error if the `assign` method is provided a fourth argument which is not a number... +{ + const out = [ 0.0, 0.0 ]; + const a = new Uint64( 5 ); + + toWords.assign( a, out, 1, '5' ); // $ExpectError + toWords.assign( a, out, 1, true ); // $ExpectError + toWords.assign( a, out, 1, false ); // $ExpectError + toWords.assign( a, out, 1, null ); // $ExpectError + toWords.assign( a, out, 1, [] ); // $ExpectError + toWords.assign( a, out, 1, {} ); // $ExpectError + toWords.assign( a, out, 1, ( x: number ): number => x ); // $ExpectError +} + +// The compiler throws an error if the `assign` method is provided an unsupported number of arguments... +{ + const out = [ 0.0, 0.0 ]; + const a = new Uint64( 5 ); + + toWords.assign(); // $ExpectError + toWords.assign( a ); // $ExpectError + toWords.assign( a, out ); // $ExpectError + toWords.assign( a, out, 1 ); // $ExpectError + toWords.assign( a, out, 1, 0, 1 ); // $ExpectError +} diff --git a/lib/node_modules/@stdlib/number/uint64/base/to-words/examples/index.js b/lib/node_modules/@stdlib/number/uint64/base/to-words/examples/index.js new file mode 100644 index 000000000000..e395cf7cfd5e --- /dev/null +++ b/lib/node_modules/@stdlib/number/uint64/base/to-words/examples/index.js @@ -0,0 +1,34 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +var Uint64 = require( '@stdlib/number/uint64/ctor' ); +var toWords = require( './../lib' ); + +var a = new Uint64( 4294967296 ); +var w = toWords( a ); +// returns [ 1, 0 ] + +a = new Uint64( 10000000000 ); +w = toWords( a ); +// returns [ 2, 1410065408 ] + +a = new Uint64.of( 12, 34 ); +w = toWords( a ); // eslint-disable-line no-unused-vars +// returns [ 12, 34 ] diff --git a/lib/node_modules/@stdlib/number/uint64/base/to-words/lib/assign.js b/lib/node_modules/@stdlib/number/uint64/base/to-words/lib/assign.js new file mode 100644 index 000000000000..d0942b040a6e --- /dev/null +++ b/lib/node_modules/@stdlib/number/uint64/base/to-words/lib/assign.js @@ -0,0 +1,55 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MAIN // + +/** +* Splits a 64-bit unsigned integer into a higher order word (32-bit unsigned integer) and a lower order word (32-bit unsigned integer). +* +* @private +* @param {Uint64} a - input value +* @param {Collection} out - output array +* @param {integer} stride - output array stride +* @param {NonNegativeInteger} offset - output array index offset +* @returns {Collection} output array +* +* @example +* var Uint32Array = require( '@stdlib/array/uint32' ); +* var Uint64 = require( '@stdlib/number/uint64/ctor' ); +* +* var out = new Uint32Array( 2 ); +* +* var a = new Uint64( 4294967296 ); +* var w = toWords( a, out, 1, 0 ); +* // returns [ 1, 0 ] +* +* var bool = ( w === out ); +* // returns true +*/ +function toWords( a, out, stride, offset ) { + out[ offset ] = a.hi; + out[ offset + stride ] = a.lo; + return out; +} + + +// EXPORTS // + +module.exports = toWords; diff --git a/lib/node_modules/@stdlib/number/uint64/base/to-words/lib/index.js b/lib/node_modules/@stdlib/number/uint64/base/to-words/lib/index.js new file mode 100644 index 000000000000..e4e74896332c --- /dev/null +++ b/lib/node_modules/@stdlib/number/uint64/base/to-words/lib/index.js @@ -0,0 +1,63 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +/** +* Split a 64-bit unsigned integer into a higher order word (32-bit unsigned integer) and a lower order word (32-bit unsigned integer). +* +* @module @stdlib/number/uint64/base/to-words +* +* @example +* var Uint64 = require( '@stdlib/number/uint64/ctor' ); +* var toWords = require( '@stdlib/number/uint64/base/to-words' ); +* +* var a = new Uint64( 4294967296 ); +* var w = toWords( a ); +* // returns [ 1, 0 ] +* +* @example +* var Uint32Array = require( '@stdlib/array/uint32' ); +* var Uint64 = require( '@stdlib/number/uint64/ctor' ); +* var toWords = require( '@stdlib/number/uint64/base/to-words' ); +* +* var out = new Uint32Array( 2 ); +* +* var a = new Uint64( 4294967296 ); +* var w = toWords.assign( a, out, 1, 0 ); +* // returns [ 1, 0 ] +* +* var bool = ( w === out ); +* // returns true +*/ + +// MODULES // + +var setReadOnly = require( '@stdlib/utils/define-nonenumerable-read-only-property' ); +var main = require( './main.js' ); +var assign = require( './assign.js' ); + + +// MAIN // + +setReadOnly( main, 'assign', assign ); + + +// EXPORTS // + +module.exports = main; diff --git a/lib/node_modules/@stdlib/number/uint64/base/to-words/lib/main.js b/lib/node_modules/@stdlib/number/uint64/base/to-words/lib/main.js new file mode 100644 index 000000000000..1d9ab871af39 --- /dev/null +++ b/lib/node_modules/@stdlib/number/uint64/base/to-words/lib/main.js @@ -0,0 +1,48 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var fcn = require( './assign.js' ); + + +// MAIN // + +/** +* Splits a 64-bit unsigned integer into a higher order word (32-bit unsigned integer) and a lower order word (32-bit unsigned integer). +* +* @param {Uint64} a - input value +* @returns {Array} output array +* +* @example +* var Uint64 = require( '@stdlib/number/uint64/ctor' ); +* +* var a = new Uint64( 4294967296 ); +* var w = toWords( a ); +* // returns [ 1, 0 ] +*/ +function toWords( a ) { + return fcn( a, [ 0>>>0, 0>>>0 ], 1, 0 ); +} + + +// EXPORTS // + +module.exports = toWords; diff --git a/lib/node_modules/@stdlib/number/uint64/base/to-words/package.json b/lib/node_modules/@stdlib/number/uint64/base/to-words/package.json new file mode 100644 index 000000000000..467b585c20c7 --- /dev/null +++ b/lib/node_modules/@stdlib/number/uint64/base/to-words/package.json @@ -0,0 +1,71 @@ +{ + "name": "@stdlib/number/uint64/base/to-words", + "version": "0.0.0", + "description": "Split a 64-bit unsigned integer into a higher order word and a lower order word.", + "license": "Apache-2.0", + "author": { + "name": "The Stdlib Authors", + "url": "https://github.com/stdlib-js/stdlib/graphs/contributors" + }, + "contributors": [ + { + "name": "The Stdlib Authors", + "url": "https://github.com/stdlib-js/stdlib/graphs/contributors" + } + ], + "main": "./lib", + "directories": { + "benchmark": "./benchmark", + "doc": "./docs", + "example": "./examples", + "lib": "./lib", + "test": "./test" + }, + "types": "./docs/types", + "scripts": {}, + "homepage": "https://github.com/stdlib-js/stdlib", + "repository": { + "type": "git", + "url": "git://github.com/stdlib-js/stdlib.git" + }, + "bugs": { + "url": "https://github.com/stdlib-js/stdlib/issues" + }, + "dependencies": {}, + "devDependencies": {}, + "engines": { + "node": ">=0.10.0", + "npm": ">2.7.0" + }, + "os": [ + "aix", + "darwin", + "freebsd", + "linux", + "macos", + "openbsd", + "sunos", + "win32", + "windows" + ], + "keywords": [ + "stdlib", + "stdtypes", + "base", + "utilities", + "utility", + "utils", + "util", + "types", + "type", + "uint64", + "unsigned", + "64-bit", + "integer", + "int", + "words", + "split", + "high", + "low" + ] +} diff --git a/lib/node_modules/@stdlib/number/uint64/base/to-words/test/test.assign.js b/lib/node_modules/@stdlib/number/uint64/base/to-words/test/test.assign.js new file mode 100644 index 000000000000..207043640920 --- /dev/null +++ b/lib/node_modules/@stdlib/number/uint64/base/to-words/test/test.assign.js @@ -0,0 +1,215 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var tape = require( 'tape' ); +var hasBigIntSupport = require( '@stdlib/assert/has-bigint-support' ); +var BigInt = require( '@stdlib/bigint/ctor' ); +var MAX_SAFE_INTEGER = require( '@stdlib/constants/float64/max-safe-integer' ); +var UINT32_MAX = require( '@stdlib/constants/uint32/max' ); +var isInteger = require( '@stdlib/math/base/assert/is-integer' ); +var Uint64 = require( '@stdlib/number/uint64/ctor' ); +var Uint32Array = require( '@stdlib/array/uint32' ); +var toWords = require( './../lib/assign.js' ); + + +// VARIABLES // + +var HAS_BIGINT = hasBigIntSupport(); + + +// TESTS // + +tape( 'main export is a function', function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof toWords, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'the function returns a two-element numeric array containing integers', function test( t ) { + var out; + var a; + var w; + + out = [ 0, 0 ]; + a = new Uint64( 4294967296 ); + w = toWords( a, out, 1, 0 ); + + t.strictEqual( w, out, 'returns expected value' ); + t.strictEqual( isInteger( w[0] ), true, 'returns expected value' ); + t.strictEqual( isInteger( w[1] ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function splits a 64-bit unsigned integer into a higher order word and a lower order word', function test( t ) { + var values; + var out; + var u; + var v; + var w; + var i; + + values = [ + 0, + 1, + 2, + 3, + 4, + 5, + 10, + 99, + 100, + 999, + 1000, + 999999, + 1000000, + 999999999, + 1000000000, + UINT32_MAX, + UINT32_MAX + 1, + 9007199254740881, // Largest prime under 2^53 + MAX_SAFE_INTEGER - 1, + MAX_SAFE_INTEGER + ]; + + for ( i = 0; i < values.length; i++ ) { + v = new Uint64( values[i] ); + out = [ 0, 0 ]; + + w = toWords( v, out, 1, 0 ); + t.strictEqual( w, out, 'returns expected value' ); + + u = new Uint64.from( w ); + t.strictEqual( u.toString(), v.toString(), 'returns expected value' ); + } + t.end(); +}); + +tape( 'the function splits a 64-bit unsigned integer into a higher order word and a lower order word (larger than max safe integer)', function test( t ) { + var values; + var out; + var u; + var v; + var w; + var i; + + if ( !HAS_BIGINT ) { + t.end(); + return; + } + + values = [ + '9007199254740992', // MAX_SAFE_INTEGER + 1 + '9999999999999999', + '10000000000000000', + '99999999999999999', + '100000000000000000', + '999999999999999999', + '1000000000000000000', + '9223372036854775783', // Largest prime under 2^63 + '9999999999999999999', + '10000000000000000000', + '18446744073709551557', // Largest prime under 2^64 + '18446744073709551615' // 2^64 - 1 + ]; + + for ( i = 0; i < values.length; i++ ) { + // TODO: Use uint64/parse instead of BigInt + v = new Uint64( BigInt( values[i] ) ); + out = [ 0, 0 ]; + + w = toWords( v, out, 1, 0 ); + t.strictEqual( w, out, 'returns expected value' ); + + u = new Uint64.from( w ); + t.strictEqual( u.toString(), v.toString(), 'returns expected value' ); + } + t.end(); +}); + +tape( 'the function supports providing an output object (array)', function test( t ) { + var out; + var a; + var w; + + out = [ 0, 0 ]; + a = new Uint64( 4294967296 ); + w = toWords( a, out, 1, 0 ); + + t.strictEqual( w, out, 'returns expected value' ); + t.strictEqual( w[ 0 ], 1, 'returns expected value' ); + t.strictEqual( w[ 1 ], 0, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function supports providing an output object (typed array)', function test( t ) { + var out; + var a; + var w; + + out = new Uint32Array( 2 ); + a = new Uint64( 4294967296 ); + w = toWords( a, out, 1, 0 ); + + t.strictEqual( w, out, 'returns expected value' ); + t.strictEqual( w[ 0 ], 1, 'returns expected value' ); + t.strictEqual( w[ 1 ], 0, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function supports specifying a stride', function test( t ) { + var out; + var val; + var a; + + out = new Uint32Array( 4 ); + a = new Uint64( 4294967298 ); + val = toWords( a, out, 2, 0 ); + + t.strictEqual( val, out, 'returns expected value' ); + t.strictEqual( val[ 0 ], 1, 'returns expected value' ); + t.strictEqual( val[ 1 ], 0, 'returns expected value' ); + t.strictEqual( val[ 2 ], 2, 'returns expected value' ); + t.strictEqual( val[ 3 ], 0, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function supports specifying an offset', function test( t ) { + var out; + var val; + var a; + + out = new Uint32Array( 4 ); + a = new Uint64( 4294967298 ); + val = toWords( a, out, 2, 1 ); + + t.strictEqual( val, out, 'returns expected value' ); + t.strictEqual( val[ 0 ], 0, 'returns expected value' ); + t.strictEqual( val[ 1 ], 1, 'returns expected value' ); + t.strictEqual( val[ 2 ], 0, 'returns expected value' ); + t.strictEqual( val[ 3 ], 2, 'returns expected value' ); + + t.end(); +}); diff --git a/lib/node_modules/@stdlib/number/uint64/base/to-words/test/test.js b/lib/node_modules/@stdlib/number/uint64/base/to-words/test/test.js new file mode 100644 index 000000000000..fc7599078686 --- /dev/null +++ b/lib/node_modules/@stdlib/number/uint64/base/to-words/test/test.js @@ -0,0 +1,40 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var tape = require( 'tape' ); +var hasOwnProp = require( '@stdlib/assert/has-own-property' ); +var toWords = require( './../lib' ); + + +// TESTS // + +tape( 'main export is a function', function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof toWords, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'attached to the main export is an `assign` method', function test( t ) { + t.strictEqual( hasOwnProp( toWords, 'assign' ), true, 'has property' ); + t.strictEqual( typeof toWords.assign, 'function', 'has method' ); + t.end(); +}); diff --git a/lib/node_modules/@stdlib/number/uint64/base/to-words/test/test.main.js b/lib/node_modules/@stdlib/number/uint64/base/to-words/test/test.main.js new file mode 100644 index 000000000000..6a6d3f316b94 --- /dev/null +++ b/lib/node_modules/@stdlib/number/uint64/base/to-words/test/test.main.js @@ -0,0 +1,61 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var tape = require( 'tape' ); +var isInteger = require( '@stdlib/math/base/assert/is-integer' ); +var Uint64 = require( '@stdlib/number/uint64/ctor' ); +var toWords = require( './../lib/main.js' ); + + +// TESTS // + +tape( 'main export is a function', function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof toWords, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'the function returns a two-element numeric array containing integers', function test( t ) { + var a; + var w; + + a = new Uint64( 4294967296 ); + w = toWords( a ); + + t.strictEqual( isInteger( w[0] ), true, 'returns expected value' ); + t.strictEqual( isInteger( w[1] ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function splits a 64-bit unsigned integer into a higher order word and a lower order word', function test( t ) { + var a; + var w; + + a = new Uint64( 4294967296 ); + w = toWords( a ); + + t.strictEqual( w[ 0 ], 1, 'returns expected value' ); + t.strictEqual( w[ 1 ], 0, 'returns expected value' ); + + t.end(); +});