@stdlib/complex-base-assert-is-same-value

Test whether two double-precision complex floating-point numbers are the same value.

https://github.com/stdlib-js/complex-base-assert-is-same-value

Science Score: 44.0%

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Keywords

assert base cmplx compare comparison complex eq equal equality javascript math mathematics node node-js nodejs number same stdlib test validate

Last synced: 4 months ago · JSON representation ·

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Test whether two double-precision complex floating-point numbers are the same value.

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Host: GitHub
Owner: stdlib-js
License: apache-2.0
Language: Makefile
Default Branch: main
Homepage: https://github.com/stdlib-js/stdlib
Size: 413 KB

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assert base cmplx compare comparison complex eq equal equality javascript math mathematics node node-js nodejs number same stdlib test validate

Created almost 2 years ago · Last pushed over 1 year ago

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Readme Changelog Contributing License Code of conduct Citation Security

We believe in a future in which the web is a preferred environment for numerical computation. To help realize this future, we've built stdlib. stdlib is a standard library, with an emphasis on numerical and scientific computation, written in JavaScript (and C) for execution in browsers and in Node.js.

The library is fully decomposable, being architected in such a way that you can swap out and mix and match APIs and functionality to cater to your exact preferences and use cases.

When you use stdlib, you can be absolutely certain that you are using the most thorough, rigorous, well-written, studied, documented, tested, measured, and high-quality code out there.

To join us in bringing numerical computing to the web, get started by checking us out on GitHub, and please consider financially supporting stdlib. We greatly appreciate your continued support!

isSameValue

Test whether two double-precision complex floating-point numbers are the same value.

## Installation ```bash npm install @stdlib/complex-base-assert-is-same-value ``` Alternatively, - To load the package in a website via a `script` tag without installation and bundlers, use the [ES Module][es-module] available on the [`esm`][esm-url] branch (see [README][esm-readme]). - If you are using Deno, visit the [`deno`][deno-url] branch (see [README][deno-readme] for usage intructions). - For use in Observable, or in browser/node environments, use the [Universal Module Definition (UMD)][umd] build available on the [`umd`][umd-url] branch (see [README][umd-readme]). The [branches.md][branches-url] file summarizes the available branches and displays a diagram illustrating their relationships. To view installation and usage instructions specific to each branch build, be sure to explicitly navigate to the respective README files on each branch, as linked to above.

## Usage ```javascript var isSameValue = require( '@stdlib/complex-base-assert-is-same-value' ); ``` #### isSameValue( z1, z2 ) Tests whether two double-precision complex floating-point numbers are the same value. ```javascript var Complex128 = require( '@stdlib/complex-float64' ); var z1 = new Complex128( 5.0, 3.0 ); var z2 = new Complex128( 5.0, 3.0 ); var out = isSameValue( z1, z2 ); // returns true ``` In contrast to the strict equality operator `===`, the function distinguishes between `+0` and `-0` and treats `NaNs` as the same value. ```javascript var Complex128 = require( '@stdlib/complex-float64' ); var z1 = new Complex128( NaN, NaN ); var z2 = new Complex128( NaN, NaN ); var out = isSameValue( z1, z2 ); // returns true z1 = new Complex128( -0.0, 0.0 ); z2 = new Complex128( 0.0, -0.0 ); out = isSameValue( z1, z2 ); // returns false ```

## Notes - The function implements the [SameValue Algorithm][ecma-262-same-value-algorithm] as specified in ECMAScript 5.

## Examples ```javascript var Complex128 = require( '@stdlib/complex-float64' ); var isSameValue = require( '@stdlib/complex-base-assert-is-same-value' ); var z1 = new Complex128( 5.0, 3.0 ); var z2 = new Complex128( 5.0, 3.0 ); var out = isSameValue( z1, z2 ); // returns true z1 = new Complex128( -5.0, -3.0 ); z2 = new Complex128( 5.0, 3.0 ); out = isSameValue( z1, z2 ); // returns false z1 = new Complex128( NaN, 3.0 ); z2 = new Complex128( NaN, 3.0 ); out = isSameValue( z1, z2 ); // returns true ```

## C APIs

### Usage ```c #include "stdlib/complex/base/assert/is_same_value.h" ``` #### stdlib_base_complex128_is_same_value( z1, z2 ) Tests whether two double-precision complex floating-point numbers are the same value. ```c #include "stdlib/complex/float64.h" #include stdlib_complex128_t z1 = stdlib_complex128( 5.0, 2.0 ); stdlib_complex128_t z2 = stdlib_complex128( 5.0, 2.0 ); bool v = stdlib_base_complex128_is_same_value( z1, z2 ); ``` The function accepts the following arguments: - **z1**: `[in] stdlib_complex128_t` first double-precision complex floating-point number. - **z2**: `[in] stdlib_complex128_t` second double-precision complex floating-point number. ```c bool stdlib_base_complex128_is_same_value( const stdlib_complex128_t z1, const stdlib_complex128_t z2 ); ```

### Examples ```c #include "stdlib/complex/base/assert/is_same_value.h" #include "stdlib/complex/float64.h" #include #include int main( void ) { const stdlib_complex128_t z[] = { stdlib_complex128( 5.0, 2.0 ), stdlib_complex128( -2.0, 1.0 ), stdlib_complex128( 0.0, -0.0 ), stdlib_complex128( 0.0/0.0, 0.0/0.0 ) }; bool v; int i; for ( i = 0; i < 4; i++ ) { v = stdlib_base_complex128_is_same_value( z[ i ], z[ i ] ); printf( "Same value? %s\n", ( v ) ? "True" : "False" ); } } ```

* * * ## Notice This package is part of [stdlib][stdlib], a standard library for JavaScript and Node.js, with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more. For more information on the project, filing bug reports and feature requests, and guidance on how to develop [stdlib][stdlib], see the main project [repository][stdlib]. #### Community [![Chat][chat-image]][chat-url] --- ## License See [LICENSE][stdlib-license]. ## Copyright Copyright © 2016-2024. The Stdlib [Authors][stdlib-authors].

Owner

Name: stdlib
Login: stdlib-js
Kind: organization

Website: https://stdlib.io
Twitter: stdlibjs
Repositories: 3,692
Profile: https://github.com/stdlib-js

Standard library for JavaScript.

Citation (CITATION.cff)

cff-version: 1.2.0
title: stdlib
message: >-
  If you use this software, please cite it using the
  metadata from this file.

type: software

authors:
  - name: The Stdlib Authors
    url: https://github.com/stdlib-js/stdlib/graphs/contributors

repository-code: https://github.com/stdlib-js/stdlib
url: https://stdlib.io

abstract: |
  Standard library for JavaScript and Node.js.

keywords:
  - JavaScript
  - Node.js
  - TypeScript
  - standard library
  - scientific computing
  - numerical computing
  - statistical computing

license: Apache-2.0 AND BSL-1.0

date-released: 2016

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npmjs.org: @stdlib/complex-base-assert-is-same-value

Test whether two double-precision complex floating-point numbers are the same value.

Homepage: https://stdlib.io
License: Apache-2.0
Latest release: 0.2.1
published almost 2 years ago

Versions: 3
Dependent Packages: 0
Dependent Repositories: 0
Downloads: 1 Last month

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Dependent repos count: 33.8%

Average: 41.0%

Dependent packages count: 48.2%

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planeshifter rreusser stdlib-bot kgryte

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type: opencollective
url: https://opencollective.com/stdlib

Last synced: 5 months ago

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package.json npm

@stdlib/assert-is-boolean ^0.1.1 development
@stdlib/bench-harness ^0.1.2 development
@stdlib/constants-float64-ninf ^0.1.1 development
@stdlib/constants-float64-pinf ^0.1.1 development
@stdlib/random-base-randu ^0.1.0 development
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@stdlib/complex-float64 ^0.1.1
@stdlib/complex-reim ^0.1.1
@stdlib/number-float64-base-assert-is-same-value ^0.1.0
@stdlib/utils-library-manifest ^0.1.1

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@stdlib/complex-base-assert-is-same-value

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isSameValue

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