All files / kernel-sincosf/lib main.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 assign = require( './assign.js' );
 
 
// MAIN //
 
/**
* Simultaneously computes the sine and cosine of an angle measured in radians on `[-π/4, π/4]` in single-precision floating-point format.
*
* @param {number} x - input value (in radians, assumed to be bounded by `~π/4` in magnitude)
* @returns {Array<number>} sine and cosine
*
* @example
* var v = kernelSincosf( 0.0 );
* // returns [ ~0.0, ~1.0 ]
*
* @example
* var v = kernelSincosf( 3.141592653589793/2.0 );
* // returns [ ~1.0, ~0.0 ]
*
* @example
* var v = kernelSincosf( -3.141592653589793/6.0 );
* // returns [ ~-0.5, ~0.866 ]
*
* @example
* var v = kernelSincosf( NaN );
* // returns [ NaN, NaN ]
*/
function kernelSincosf( x ) {
	return assign( x, [ 0.0, 0.0 ], 1, 0 );
}
 
 
// EXPORTS //
 
module.exports = kernelSincosf;