feat: add JS implementation

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description: Results of running static analysis checks when committing changes.
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---

Author: anandkaranubc

lib/node_modules/@stdlib/math/base/special/sincosd/lib/assign.js

@@ -0,0 +1,64 @@
+/**
+* @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 sind = require( '@stdlib/math/base/special/sind' );
+var cosd = require( '@stdlib/math/base/special/cosd' );
+
+
+// MAIN //
+
+/**
+* Simultaneously computes the sine and cosine of a number and assigns results to a provided output array.
+*
+* @private
+* @param {number} x - input value (in degrees)
+* @param {Collection} out - output array
+* @param {integer} stride - output array stride
+* @param {NonNegativeInteger} offset - output array index offset
+* @returns {Collection} output array
+*
+* @example
+* var v = sincosd( 0.0, [ 0.0, 0.0 ], 1, 0 );
+* // returns [ ~0.0, ~1.0 ]
+*
+* @example
+* var v = sincosd( 90.0, [ 0.0, 0.0 ], 1, 0 );
+* // returns [ ~1.0, ~0.0 ]
+*
+* @example
+* var v = sincosd( -30.0, [ 0.0, 0.0 ], 1, 0 );
+* // returns [ ~-0.5, ~0.866 ]
+*
+* @example
+* var v = sincosd( NaN, [ 0.0, 0.0 ], 1, 0 );
+* // returns [ NaN, NaN ]
+*/
+function sincosd( x, out, stride, offset ) {
+	out[ offset ] = sind( x );
+	out[ offset + stride ] = cosd( x );
+	return out;
+}
+
+
+// EXPORTS //
+
+module.exports = sincosd;

lib/node_modules/@stdlib/math/base/special/sincosd/lib/index.js

@@ -0,0 +1,67 @@
+/**
+* @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';
+
+/**
+* Simultaneously compute the sine and cosine of a number.
+*
+* @module @stdlib/math/base/special/sincosd
+*
+* @example
+* var sincosd = require( '@stdlib/math/base/special/sincosd' );
+*
+* var v = sincosd( 0.0 );
+* // returns [ ~0.0, ~1.0 ]
+*
+* v = sincosd( 90.0 );
+* // returns [ ~1.0, ~0.0 ]
+*
+* v = sincosd( -30.0 );
+* // returns [ ~-0.5, ~0.866 ]
+*
+* v = sincosd( NaN );
+* // returns [ NaN, NaN ]
+*
+* @example
+* var sincosd = require( '@stdlib/math/base/special/sincosd' );
+*
+* var out = new Float64Array( 2 );
+*
+* var v = sincosd( out, 0.0 );
+* // return <Float64Array>[ ~0.0, ~1.0 ]
+*
+* var bool = ( v === out );
+* // returns true
+*/
+
+// MODULES //
+
+var setReadOnly = require( '@stdlib/utils/define-nonenumerable-read-only-property' );
+var main = require( './main.js' );
+var assign = require( './assign.js' );
+
+
+// MAIN //
+
+setReadOnly( main, 'assign', assign );
+
+
+// EXPORTS //
+
+module.exports = main;

lib/node_modules/@stdlib/math/base/special/sincosd/lib/main.js

@@ -0,0 +1,57 @@
+/**
+* @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 a number.
+*
+* @param {number} x - input value (in degrees)
+* @returns {Array<number>} sine and cosine
+*
+* @example
+* var v = sincosd( 0.0 );
+* // returns [ ~0.0, ~1.0 ]
+*
+* @example
+* var v = sincosd( 90.0 );
+* // returns [ ~1.0, ~0.0 ]
+*
+* @example
+* var v = sincosd( -30.0 );
+* // returns [ ~-0.5, ~0.866 ]
+*
+* @example
+* var v = sincosd( NaN );
+* // returns [ NaN, NaN ]
+*/
+function sincosd( x ) {
+	return assign( x, [ 0.0, 0.0 ], 1, 0 );
+}
+
+
+// EXPORTS //
+
+module.exports = sincosd;

lib/node_modules/@stdlib/math/base/special/sincosd/lib/native.js

@@ -0,0 +1,61 @@
+/**
+* @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 Float64Array = require( '@stdlib/array/float64' );
+var addon = require( './../src/addon.node' );
+
+
+// MAIN //
+
+/**
+* Simultaneously computes the sine and cosine of a number.
+*
+* @private
+* @param {number} x - input value (in degrees)
+* @returns {Array<number>} sine and cosine
+*
+* @example
+* var v = sincosd( 0.0 );
+* // returns <Float64Array>[ ~0.0, ~1.0 ]
+*
+* @example
+* var v = sincosd( 90.0 );
+* // returns <Float64Array>[ ~1.0, ~0.0 ]
+*
+* @example
+* var v = sincosd( -30.0 );
+* // returns <Float64Array>[ ~-0.5, ~0.866 ]
+*
+* @example
+* var v = sincosd( NaN );
+* // returns <Float64Array>[ NaN, NaN ]
+*/
+function sincosd( x ) {
+	var out = new Float64Array( 2 );
+	addon( x, out );
+	return out;
+}
+
+
+// EXPORTS //
+
+module.exports = sincosd;