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* @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 casts = require( '@stdlib/array/mostly-safe-casts' );
// VARIABLES //
var TABLE = casts();
// MAIN //
/**
* Returns a boolean indicating if a provided array data type can be safely cast or, for floating-point data types, downcast to another array data type.
*
* @param {string} from - array data type
* @param {string} to - array data type
* @returns {boolean} boolean indicating if a data type can be cast to another data type
*
* @example
* var bool = isMostlySafeCast( 'float32', 'float64' );
* // returns true
*
* bool = isMostlySafeCast( 'float64', 'int32' );
* // returns false
*/
function isMostlySafeCast( from, to ) {
if ( from === to ) {
return true;
}
return ( TABLE[ from ][ to ] > 0 );
}
// EXPORTS //
module.exports = isMostlySafeCast;
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