feat: refactor and add native addon for complex/float64/conj

lib/node_modules/@stdlib/complex/float64/conj/benchmark/benchmark.js

@@ -21,9 +21,9 @@
 // MODULES //
 
 var bench = require( '@stdlib/bench' );
-var isComplex128 = require( '@stdlib/assert/is-complex128' );
 var Complex128 = require( '@stdlib/complex/float64/ctor' );
-var randu = require( '@stdlib/random/base/randu' );
+var isComplex128 = require( '@stdlib/assert/is-complex128' );
+var uniform = require( '@stdlib/random/base/uniform' );
 var pkg = require( './../package.json' ).name;
 var conj = require( './../lib' );
 
@@ -32,25 +32,26 @@ var conj = require( './../lib' );
 
 bench( pkg, function benchmark( b ) {
 	var values;
-	var v;
+	var z;
+	var y;
 	var i;
 
 	values = [
-		new Complex128( randu(), randu() ),
-		new Complex128( randu(), randu() ),
-		new Complex128( randu(), randu() )
+		new Complex128( uniform( -500.0, 500.0 ), uniform( -500.0, 500.0 ) ),
+		new Complex128( uniform( -500.0, 500.0 ), uniform( -500.0, 500.0 ) )
 	];
 
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		v = conj( values[ i%values.length ] );
-		if ( typeof v !== 'object' ) {
+		z = values[ i%values.length ];
+		y = conj( z );
+		if ( typeof y !== 'object' ) {
 			b.fail( 'should return an object' );
 		}
 	}
 	b.toc();
-	if ( !isComplex128( v ) ) {
-		b.fail( 'should return an object' );
+	if ( !isComplex128( y ) ) {
+		b.fail( 'should return a Complex128' );
 	}
 	b.pass( 'benchmark finished' );
 	b.end();

lib/node_modules/@stdlib/complex/float64/conj/benchmark/benchmark.native.js

@@ -0,0 +1,69 @@
+/**
+* @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 resolve = require( 'path' ).resolve;
+var bench = require( '@stdlib/bench' );
+var uniform = require( '@stdlib/random/base/uniform' );
+var isnan = require( '@stdlib/math/base/assert/is-nan' );
+var Complex128 = require( '@stdlib/complex/float64/ctor' );
+var real = require( '@stdlib/complex/float64/real' );
+var imag = require( '@stdlib/complex/float64/imag' );
+var tryRequire = require( '@stdlib/utils/try-require' );
+var pkg = require( './../package.json' ).name;
+
+
+// VARIABLES //
+
+var conj = tryRequire( resolve( __dirname, './../lib/native.js' ) );
+var opts = {
+	'skip': ( conj instanceof Error )
+};
+
+
+// MAIN //
+
+bench( pkg+'::native', opts, function benchmark( b ) {
+	var values;
+	var out;
+	var z;
+	var i;
+
+	values = [
+		new Complex128( uniform( -500.0, 500.0 ), uniform( -500.0, 500.0 ) ),
+		new Complex128( uniform( -500.0, 500.0 ), uniform( -500.0, 500.0 ) )
+	];
+
+	b.tic();
+	for ( i = 0; i < b.iterations; i++ ) {
+		z = values[ i%values.length ];
+		out = conj( z );
+		if ( typeof out !== 'object' ) {
+			b.fail( 'should return an object' );
+		}
+	}
+	b.toc();
+	if ( isnan( real( out ) ) || isnan( imag( out ) ) ) {
+		b.fail( 'should not return NaN' );
+	}
+	b.pass( 'benchmark finished' );
+	b.end();
+});

lib/node_modules/@stdlib/complex/float64/conj/lib/main.js

@@ -18,6 +18,12 @@
 
 'use strict';
 
+// MODULES //
+
+var real = require( '@stdlib/complex/float64/real' );
+var imag = require( '@stdlib/complex/float64/imag' );
+var Complex128 = require( '@stdlib/complex/float64/ctor' );
+
 /**
 * Returns the complex conjugate of a double-precision complex floating-point number.
 *
@@ -33,7 +39,7 @@
 * // returns <Complex128>[ 5.0, -3.0 ]
 */
 function conj( z ) {
-	return new z.constructor( z.re, -z.im );
+	return new Complex128( real( z ), -imag( z ) );
 }
 
 

lib/node_modules/@stdlib/complex/float64/conj/lib/native.js

@@ -0,0 +1,60 @@
+/**
+* @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 Complex128 = require( '@stdlib/complex/float64/ctor' );
+var addon = require( './../src/addon.node' );
+
+
+// MAIN //
+
+/**
+* Returns the complex conjugate of a double-precision complex floating-point number.
+*
+* @private
+* @param {Complex128} z - complex number
+* @returns {Complex128} complex conjugate
+*
+* @example
+* var Complex128 = require( '@stdlib/complex/float64/ctor' );
+* var real = require( '@stdlib/complex/float64/real' );
+* var imag = require( '@stdlib/complex/float64/imag' );
+*
+* var z = new Complex128( 5.0, 3.0 );
+*
+* var v = conj( z );
+* // returns <Complex128>
+*
+* var re = real( v );
+* // returns 5.0
+*
+* var im = imag( v );
+* // returns -3.0
+*/
+function conj( z ) {
+	var v = addon( z );
+	return new Complex128( v.re, v.im );
+}
+
+
+// EXPORTS //
+
+module.exports = conj;

lib/node_modules/@stdlib/complex/float64/conj/manifest.json

@@ -36,6 +36,7 @@
       "libraries": [],
       "libpath": [],
       "dependencies": [
+        "@stdlib/math/base/napi/unary",
         "@stdlib/complex/float64/ctor"
       ]
     },

lib/node_modules/@stdlib/complex/float64/conj/src/Makefile

@@ -0,0 +1,70 @@
+#/
+# @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.
+#/
+
+# VARIABLES #
+
+ifndef VERBOSE
+	QUIET := @
+else
+	QUIET :=
+endif
+
+# Determine the OS ([1][1], [2][2]).
+#
+# [1]: https://en.wikipedia.org/wiki/Uname#Examples
+# [2]: http://stackoverflow.com/a/27776822/2225624
+OS ?= $(shell uname)
+ifneq (, $(findstring MINGW,$(OS)))
+	OS := WINNT
+else
+ifneq (, $(findstring MSYS,$(OS)))
+	OS := WINNT
+else
+ifneq (, $(findstring CYGWIN,$(OS)))
+	OS := WINNT
+else
+ifneq (, $(findstring Windows_NT,$(OS)))
+	OS := WINNT
+endif
+endif
+endif
+endif
+
+
+# RULES #
+
+#/
+# Removes generated files for building an add-on.
+#
+# @example
+# make clean-addon
+#/
+clean-addon:
+	$(QUIET) -rm -f *.o *.node
+
+.PHONY: clean-addon
+
+#/
+# Removes generated files.
+#
+# @example
+# make clean
+#/
+clean: clean-addon
+
+.PHONY: clean

lib/node_modules/@stdlib/complex/float64/conj/src/addon.c

@@ -0,0 +1,22 @@
+/**
+* @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.
+*/
+
+#include "stdlib/complex/float64/conj.h"
+#include "stdlib/math/base/napi/unary.h"
+
+STDLIB_MATH_BASE_NAPI_MODULE_Z_Z( stdlib_complex128_neg )