All files resolve_dtypes.js

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/**
* @license Apache-2.0
*
* Copyright (c) 2025 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 getDType = require( '@stdlib/ndarray/base/dtype' );
var promoteDataTypes = require( '@stdlib/ndarray/base/promote-dtypes' );
 
 
// MAIN //
 
/**
* Returns a list of ndarray data types from a list of ndarrays.
*
* @private
* @param {Array<ndarray>} arrays - list of input ndarrays
* @returns {Array} list of data types
*/
function dataTypes( arrays ) {
	var out;
	var i;
 
	out = [];
	for ( i = 0; i < arrays.length; i++ ) {
		out.push( getDType( arrays[ i ] ) );
	}
	return out;
}
 
/**
* Returns a list of ndarray data types from a list of ndarrays.
*
* @private
* @param {Array<ndarray>} arrays - list of input ndarrays
* @returns {String} resolved data type
*/
function resolveDataTypes( arrays ) {
	return promoteDataTypes( dataTypes( arrays ) );
}
 
 
// EXPORTS //
 
module.exports = resolveDataTypes;