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Original file line number Diff line number Diff line change
@@ -0,0 +1,149 @@
<!--

@license Apache-2.0

Copyright (c) 2024 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.

-->

# isBooleanDataType

> Test if an input value is a supported ndarray boolean [data type][@stdlib/ndarray/dtypes].

<!-- Section to include introductory text. Make sure to keep an empty line after the intro `section` element and another before the `/section` close. -->

<section class="intro">

</section>

<!-- /.intro -->

<!-- Package usage documentation. -->

<section class="usage">

## Usage

```javascript
var isBooleanDataType = require( '@stdlib/ndarray/base/assert/is-boolean-data-type' );
```

#### isBooleanDataType( value )

Tests if an input `value` is a supported ndarray boolean [data type][@stdlib/ndarray/dtypes].

```javascript
var bool = isBooleanDataType( 'bool' );
// returns true

bool = isBooleanDataType( 'uint32' );
// returns false
```

</section>

<!-- /.usage -->

<!-- Package usage notes. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->

<section class="notes">

</section>

<!-- /.notes -->

<!-- Package usage examples. -->

<section class="examples">

## Examples

<!-- eslint no-undef: "error" -->

```javascript
var isBooleanDataType = require( '@stdlib/ndarray/base/assert/is-boolean-data-type' );

var bool = isBooleanDataType( 'binary' );
// returns false

bool = isBooleanDataType( 'bool' );
// returns true

bool = isBooleanDataType( 'float32' );
// returns false

bool = isBooleanDataType( 'float64' );
// returns false

bool = isBooleanDataType( 'generic' );
// returns false

bool = isBooleanDataType( 'int16' );
// returns false

bool = isBooleanDataType( 'int32' );
// returns false

bool = isBooleanDataType( 'int8' );
// returns false

bool = isBooleanDataType( 'uint16' );
// returns false

bool = isBooleanDataType( 'uint32' );
// returns false

bool = isBooleanDataType( 'uint8' );
// returns false

bool = isBooleanDataType( 'uint8c' );
// returns false

bool = isBooleanDataType( '' );
// returns false

bool = isBooleanDataType( 'foo' );
// returns false
```

</section>

<!-- /.examples -->

<!-- Section to include cited references. If references are included, add a horizontal rule *before* the section. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->

<section class="references">

</section>

<!-- /.references -->

<!-- Section for related `stdlib` packages. Do not manually edit this section, as it is automatically populated. -->

<section class="related">

</section>

<!-- /.related -->

<!-- Section for all links. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->

<section class="links">

[@stdlib/ndarray/dtypes]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/ndarray/dtypes

</section>

<!-- /.links -->
Original file line number Diff line number Diff line change
@@ -0,0 +1,73 @@
/**
* @license Apache-2.0
*
* Copyright (c) 2024 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 isBoolean = require( '@stdlib/assert/is-boolean' ).isPrimitive;
var pkg = require( './../package.json' ).name;
var isBooleanDataType = require( './../lib' );


// MAIN //

bench( pkg, function benchmark( b ) {
var values;
var out;
var v;
var i;

values = [
'binary',
'bool',
'complex64',
'complex128',
'float32',
'float64',
'generic',
'int16',
'int32',
'int8',
'uint16',
'uint32',
'uint8',
'uint8c',
'foo',
'bar',
'',
'beep',
'boop'
];

b.tic();
for ( i = 0; i < b.iterations; i++ ) {
v = values[ i%values.length ];
out = isBooleanDataType( v );
if ( typeof out !== 'boolean' ) {
b.fail( 'should return a boolean' );
}
}
b.toc();
if ( !isBoolean( out ) ) {
b.fail( 'should return a boolean' );
}
b.pass( 'benchmark finished' );
b.end();
});
Original file line number Diff line number Diff line change
@@ -0,0 +1,47 @@

{{alias}}( value )
Tests if an input value is a supported ndarray boolean data type.

Parameters
----------
value: any
Value to test.

Returns
-------
bool: boolean
Boolean indicating if an input value is a supported ndarray boolean
data type.

Examples
--------
> var bool = {{alias}}( 'binary' )
false
> bool = {{alias}}( 'bool' )
true
> bool = {{alias}}( 'float32' )
false
> bool = {{alias}}( 'float64' )
false
> bool = {{alias}}( 'int16' )
false
> bool = {{alias}}( 'int32' )
false
> bool = {{alias}}( 'int8' )
false
> bool = {{alias}}( 'uint16' )
false
> bool = {{alias}}( 'uint32' )
false
> bool = {{alias}}( 'uint8' )
false
> bool = {{alias}}( 'uint8c' )
false
> bool = {{alias}}( '' )
false
> bool = {{alias}}( 'beep' )
false

See Also
--------

Original file line number Diff line number Diff line change
@@ -0,0 +1,72 @@
/*
* @license Apache-2.0
*
* Copyright (c) 2024 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

/**
* Tests whether an input value is a supported ndarray boolean data type.
*
* @param v - value to test
* @returns boolean indicating whether an input value is a supported ndarray boolean data type
*
* @example
* var bool = isBooleanDataType( 'binary' );
* // returns false
*
* bool = isBooleanDataType( 'bool' );
* // returns true
*
* bool = isBooleanDataType( 'float32' );
* // returns false
*
* bool = isBooleanDataType( 'float64' );
* // returns false
*
* bool = isBooleanDataType( 'generic' );
* // returns false
*
* bool = isBooleanDataType( 'int16' );
* // returns false
*
* bool = isBooleanDataType( 'int32' );
* // returns false
*
* bool = isBooleanDataType( 'int8' );
* // returns false
*
* bool = isBooleanDataType( 'uint16' );
* // returns false
*
* bool = isBooleanDataType( 'uint32' );
* // returns false
*
* bool = isBooleanDataType( 'uint8' );
* // returns false
*
* bool = isBooleanDataType( 'uint8c' );
* // returns false
*
* bool = isBooleanDataType( 'foo' );
* // returns false
*/
declare function isBooleanDataType( v: any ): boolean;

Check warning on line 67 in lib/node_modules/@stdlib/ndarray/base/assert/is-boolean-data-type/docs/types/index.d.ts

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// EXPORTS //

export = isBooleanDataType;
Original file line number Diff line number Diff line change
@@ -0,0 +1,34 @@
/*
* @license Apache-2.0
*
* Copyright (c) 2023 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 isFloatingPointDataType = require( './index' );


// TESTS //

// The function returns a boolean...
{
isFloatingPointDataType( 'binary' ); // $ExpectType boolean
isFloatingPointDataType( 'foo' ); // $ExpectType boolean
}

// The compiler throws an error if the function is provided an unsupported number of arguments...
{
isFloatingPointDataType(); // $ExpectError
isFloatingPointDataType( undefined, 123 ); // $ExpectError
}
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