Press n or j to go to the next uncovered block, b, p or k for the previous block.
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* @license Apache-2.0
*
* Copyright (c) 2018 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 objectKeys = require( '@stdlib/utils/keys' );
var hasOwnProp = require( '@stdlib/assert/has-own-property' );
var NEXT_DTYPES = require( './next_dtypes.json' );
// FUNCTIONS //
/**
* Generates a table.
*
* @private
* @returns {Object} table
*/
function generateTable() {
var dtypes;
var ntypes;
var out;
var i;
out = {};
dtypes = objectKeys( NEXT_DTYPES );
ntypes = dtypes.length;
for ( i = 0; i < ntypes; i++ ) {
out[ dtypes[i] ] = NEXT_DTYPES[ dtypes[i] ];
}
return out;
}
// MAIN //
/**
* Returns the next larger array data type of the same kind.
*
* @param {string} [dtype] - array data type
* @returns {(Object|string|integer|null)} next larger data type(s) or null
*
* @example
* var dt = nextDataType( 'float32' );
* // returns 'float64'
*/
function nextDataType( dtype ) {
if ( arguments.length === 0 ) {
return generateTable();
}
if ( hasOwnProp( NEXT_DTYPES, dtype ) ) {
return NEXT_DTYPES[ dtype ];
}
return null;
}
// EXPORTS //
module.exports = nextDataType;
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