feat: add boolean dtype support to ndarray/dtypes

lib/node_modules/@stdlib/ndarray/dtypes/README.md

@@ -2,7 +2,7 @@
 
 @license Apache-2.0
 
-Copyright (c) 2018 The Stdlib Authors.
+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.
@@ -52,6 +52,7 @@ var out = dtypes();
 When not provided a data type "kind", the function returns an array containing the following data types:
 
 -   `binary`: binary.
+-   `bool`: boolean values.
 -   `complex64`: single-precision complex floating-point numbers.
 -   `complex128`: double-precision complex floating-point numbers.
 -   `float32`: single-precision floating-point numbers.
@@ -77,6 +78,7 @@ The function supports the following data type kinds:
 -   `floating_point`: floating-point data types.
 -   `real_floating_point`: real-valued floating-point data types.
 -   `complex_floating_point`: complex-valued floating-point data types.
+-   `boolean`: boolean data types.
 -   `integer`: integer data types.
 -   `signed_integer`: signed integer data types.
 -   `unsigned_integer`: unsigned integer data types.
@@ -106,17 +108,10 @@ The function supports the following data type kinds:
 <!-- eslint no-undef: "error" -->
 
 ```javascript
-var indexOf = require( '@stdlib/utils/index-of' );
+var contains = require( '@stdlib/array/base/assert/contains' ).factory;
 var dtypes = require( '@stdlib/ndarray/dtypes' );
 
-var DTYPES = dtypes();
-
-function isdtype( str ) {
-    if ( indexOf( DTYPES, str ) === -1 ) {
-        return false;
-    }
-    return true;
-}
+var isdtype = contains( dtypes() );
 
 var bool = isdtype( 'float64' );
 // returns true

lib/node_modules/@stdlib/ndarray/dtypes/docs/repl.txt

@@ -7,6 +7,7 @@
     - floating_point: floating-point data types.
     - real_floating_point: real-valued floating-point data types.
     - complex_floating_point: complex-valued floating-point data types.
+    - boolean: boolean data types.
     - integer: integer data types.
     - signed_integer: signed integer data types.
     - unsigned_integer: unsigned integer data types.

lib/node_modules/@stdlib/ndarray/dtypes/examples/index.js

@@ -18,17 +18,10 @@
 
 'use strict';
 
-var indexOf = require( '@stdlib/utils/index-of' );
+var contains = require( '@stdlib/array/base/assert/contains' ).factory;
 var dtypes = require( './../lib' );
 
-var DTYPES = dtypes();
-
-function isdtype( str ) {
-	if ( indexOf( DTYPES, str ) === -1 ) {
-		return false;
-	}
-	return true;
-}
+var isdtype = contains( dtypes() );
 
 var bool = isdtype( 'float64' );
 console.log( bool );

lib/node_modules/@stdlib/ndarray/dtypes/lib/dtypes.json

@@ -1,6 +1,7 @@
 {
   "all": [
     "binary",
+    "bool",
     "complex64",
     "complex128",
     "float32",
@@ -16,6 +17,7 @@
   ],
   "typed": [
     "binary",
+    "bool",
     "complex64",
     "complex128",
     "float32",
@@ -42,6 +44,9 @@
     "complex64",
     "complex128"
   ],
+  "boolean": [
+    "bool"
+  ],
   "integer": [
     "int16",
     "int32",

lib/node_modules/@stdlib/ndarray/dtypes/test/test.js

@@ -43,7 +43,9 @@ var DTYPES = [
 	'float64',
 
 	'complex64',
-	'complex128'
+	'complex128',
+
+	'bool'
 ];
 
 
@@ -61,6 +63,7 @@ tape( 'the function returns a list of ndarray data types', function test( t ) {
 
 	expected = [
 		'binary',
+		'bool',
 		'complex64',
 		'complex128',
 		'float32',
@@ -86,6 +89,7 @@ tape( 'the function supports returning a list of ndarray data types (all)', func
 
 	expected = [
 		'binary',
+		'bool',
 		'complex64',
 		'complex128',
 		'float32',
@@ -111,6 +115,7 @@ tape( 'the function supports returning a list of ndarray data types (typed)', fu
 
 	expected = [
 		'binary',
+		'bool',
 		'complex64',
 		'complex128',
 		'float32',
@@ -173,6 +178,19 @@ tape( 'the function supports returning a list of complex-valued floating-point n
 	t.end();
 });
 
+tape( 'the function supports returning a list of boolean ndarray data types', function test( t ) {
+	var expected;
+	var actual;
+
+	expected = [
+		'bool'
+	];
+	actual = dtypes( 'boolean' );
+
+	t.deepEqual( actual, expected, 'returns expected value' );
+	t.end();
+});
+
 tape( 'the function supports returning a list of integer ndarray data types', function test( t ) {
 	var expected;
 	var actual;

lib/node_modules/@stdlib/types/index.d.ts

@@ -1391,62 +1391,122 @@ declare module '@stdlib/types/ndarray' {
 	/**
 	* Data type.
 	*/
-	type DataType = NumericDataType | 'binary' | 'generic'; // "all"
+	type DataType = NumericDataType | BooleanDataType | 'binary' | 'generic'; // "all"
 
 	/**
 	* Data type for real-valued ndarrays.
 	*/
 	type RealDataType = RealFloatingPointDataType | IntegerDataType; // "real"
 
+	/**
+	* Data type for real-valued ndarrays.
+	*/
+	type RealAndGenericDataType = RealDataType | 'generic'; // "real_and_generic"
+
 	/**
 	* Data type for floating-point ndarrays.
 	*/
 	type RealFloatingPointDataType = 'float64' | 'float32'; // "real_floating_point"
 
+	/**
+	* Data type for floating-point ndarrays.
+	*/
+	type RealFloatingPointAndGenericDataType = RealFloatingPointDataType | 'generic'; // "real_floating_point_and_generic"
+
 	/**
 	* Data type for integer ndarrays.
 	*/
 	type IntegerDataType = SignedIntegerDataType | UnsignedIntegerDataType; // "integer"
 
+	/**
+	* Data type for integer ndarrays.
+	*/
+	type IntegerAndGenericDataType = IntegerDataType | 'generic'; // "integer_and_generic"
+
 	/**
 	* Data type for signed integer ndarrays.
 	*/
 	type SignedIntegerDataType = 'int32' | 'int16' | 'int8'; // "signed_integer"
 
+	/**
+	* Data type for signed integer ndarrays.
+	*/
+	type SignedIntegerAndGenericDataType = SignedIntegerDataType | 'generic'; // "signed_integer_and_generic"
+
 	/**
 	* Data type for unsigned integer ndarrays.
 	*/
 	type UnsignedIntegerDataType = 'uint32' | 'uint16' | 'uint8' | 'uint8c'; // "unsigned_integer"
 
+	/**
+	* Data type for unsigned integer ndarrays.
+	*/
+	type UnsignedIntegerAndGenericDataType = UnsignedIntegerDataType | 'generic'; // "unsigned_integer_and_generic"
+
 	/**
 	* Data type for complex number ndarrays.
 	*/
 	type ComplexFloatingPointDataType = 'complex64' | 'complex128'; // "complex_floating_point"
 
+	/**
+	* Data type for complex number ndarrays.
+	*/
+	type ComplexFloatingPointAndGenericDataType = ComplexFloatingPointDataType | 'generic'; // "complex_floating_point_and_generic"
+
 	/**
 	* Data type for floating-point real or complex ndarrays.
 	*/
 	type FloatingPointDataType = RealFloatingPointDataType | ComplexFloatingPointDataType; // "floating_point"
 
+	/**
+	* Data type for floating-point real or complex ndarrays.
+	*/
+	type FloatingPointAndGenericDataType = FloatingPointDataType | 'generic'; // "floating_point_and_generic"
+
 	/**
 	* Data type for real-valued or complex number ndarrays.
 	*/
 	type NumericDataType = RealDataType | ComplexFloatingPointDataType; // "numeric"
 
+	/**
+	* Data type for real-valued or complex number ndarrays.
+	*/
+	type NumericAndGenericDataType = NumericDataType | 'generic'; // "numeric_and_generic"
+
+	/**
+	* Data type for boolean typed arrays.
+	*/
+	type BooleanDataType = 'bool'; // "boolean"
+
+	/**
+	* Data type for boolean and generic ndarrays.
+	*/
+	type BooleanAndGenericDataType = BooleanDataType | 'generic'; // "boolean_and_generic"
+
 	/**
 	* Data type for strictly "typed" ndarrays.
 	*/
-	type TypedDataType = NumericDataType; // "typed"
+	type TypedDataType = NumericDataType | BooleanDataType; // "typed"
+
+	/**
+	* Data type for strictly typed and generic ndarrays.
+	*/
+	type TypedAndGenericDataType = TypedDataType | 'generic'; // "typed_and_generic"
+
+	/**
+	* Strict data type "kinds".
+	*/
+	type StrictDataTypeKind = 'typed' | 'numeric' | 'real' | 'floating_point' | 'real_floating_point' | 'complex_floating_point' | 'integer' | 'signed_integer' | 'unsigned_integer' | 'boolean';
 
 	/**
 	* Data type "kinds".
 	*/
-	type DataTypeKind = 'all' | 'typed' | 'numeric' | 'real' | 'floating_point' | 'real_floating_point' | 'complex_floating_point' | 'integer' | 'signed_integer' | 'unsigned_integer';
+	type DataTypeKind = StrictDataTypeKind | 'all' | 'typed_and_generic' | 'numeric_and_generic' | 'real_and_generic' | 'floating_point_and_generic' | 'real_floating_point_and_generic' | 'complex_floating_point_and_generic' | 'integer_and_generic' | 'signed_integer_and_generic' | 'unsigned_integer_and_generic' | 'boolean_and_generic';
 
 	/**
 	* Output data type policy.
 	*/
-	type OutputPolicy = 'default' | 'same' | 'promoted' | 'bool' | 'numeric' | 'real' | 'floating_point' | 'real_floating_point' | 'complex_floating_point' | 'integer' | 'signed_integer' | 'unsigned_integer';
+	type OutputPolicy = 'default' | 'same' | 'promoted' | 'boolean' | 'numeric' | 'real' | 'floating_point' | 'real_floating_point' | 'complex_floating_point' | 'integer' | 'signed_integer' | 'unsigned_integer';
 
 	/**
 	* Array order.