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) 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 assign = require( './assign.js' );
// VARIABLES //
var tmp = [ 0.0, 0.0, 0.0, 0.0 ];
// MAIN //
/**
* Compute the first derivative of the Airy function of the second kind, Bi'(x).
*
* @param {number} x - input value
* @returns {number} Bi'(x)
*
* @example
* var v = bip( 0.3 );
* // returns ~0.48
*
* @example
* v = bip( 0.0 );
* // returns ~0.448
*
* @example
* v = bip( Infinity );
* // returns Infinity
*
* @example
* v = bip( NaN );
* // returns NaN
*
*/
function bip( x ) {
assign( x, tmp, 1, 0 );
return tmp[ 3 ];
}
// EXPORTS //
module.exports = bip;
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