refactor: use in-house macros for building native addon bindings

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:
  - task: lint_filenames
    status: passed
  - task: lint_editorconfig
    status: passed
  - task: lint_markdown
    status: na
  - task: lint_package_json
    status: na
  - task: lint_repl_help
    status: na
  - task: lint_javascript_src
    status: passed
  - task: lint_javascript_cli
    status: na
  - task: lint_javascript_examples
    status: na
  - task: lint_javascript_tests
    status: na
  - task: lint_javascript_benchmarks
    status: passed
  - task: lint_python
    status: na
  - task: lint_r
    status: na
  - task: lint_c_src
    status: passed
  - task: lint_c_examples
    status: na
  - task: lint_c_benchmarks
    status: na
  - task: lint_c_tests_fixtures
    status: na
  - task: lint_shell
    status: na
  - task: lint_typescript_declarations
    status: na
  - task: lint_typescript_tests
    status: na
  - task: lint_license_headers
    status: passed
---

Author: anandkaranubc

lib/node_modules/@stdlib/math/base/special/modf/benchmark/benchmark.native.js

@@ -23,7 +23,7 @@
 var resolve = require( 'path' ).resolve;
 var bench = require( '@stdlib/bench' );
 var uniform = require( '@stdlib/random/array/uniform' );
-var isArray = require( '@stdlib/assert/is-array' );
+var isFloat64Array = require( '@stdlib/assert/is-float64array' );
 var tryRequire = require( '@stdlib/utils/try-require' );
 var pkg = require( './../package.json' ).name;
 
@@ -49,12 +49,12 @@ bench( pkg+'::native', opts, function benchmark( b ) {
 	for ( i = 0; i < b.iterations; i++ ) {
 		y = modf( x[ i%x.length ] );
 		if ( typeof y !== 'object' ) {
-			b.fail( 'should return an array' );
+			b.fail( 'should return an object' );
 		}
 	}
 	b.toc();
-	if ( !isArray( y ) ) {
-		b.fail( 'should return an array' );
+	if ( !isFloat64Array( y ) ) {
+		b.fail( 'should return a Float64Array' );
 	}
 	b.pass( 'benchmark finished' );
 	b.end();

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

@@ -31,16 +31,16 @@ var addon = require( './../src/addon.node' );
 *
 * @private
 * @param {number} x - input value
-* @returns {Array<number>} output array
+* @returns {Float64Array} output array
 *
 * @example
 * var parts = modf( 3.14 );
-* // returns [ 3.0, 0.14000000000000012 ]
+* // returns <Float64Array>[ 3.0, 0.14000000000000012 ]
 */
 function modf( x ) {
 	var out = new Float64Array( 2 );
-	addon( out, x );
-	return [ out[ 0 ], out[ 1 ] ];
+	addon( x, out );
+	return out;
 }
 
 

lib/node_modules/@stdlib/math/base/special/modf/manifest.json

@@ -36,6 +36,10 @@
       "libraries": [],
       "libpath": [],
       "dependencies": [
+        "@stdlib/napi/argv",
+        "@stdlib/napi/argv-double",
+        "@stdlib/napi/argv-float64array",
+        "@stdlib/napi/export",
         "@stdlib/math/base/assert/is-nan",
         "@stdlib/number/float64/base/from-words",
         "@stdlib/number/float64/base/to-words",

lib/node_modules/@stdlib/math/base/special/modf/src/addon.c

@@ -17,9 +17,11 @@
 */
 
 #include "stdlib/math/base/special/modf.h"
+#include "stdlib/napi/argv.h"
+#include "stdlib/napi/argv_double.h"
+#include "stdlib/napi/argv_float64array.h"
+#include "stdlib/napi/export.h"
 #include <node_api.h>
-#include <stdint.h>
-#include <assert.h>
 
 /**
 * Receives JavaScript callback invocation data.
@@ -29,87 +31,11 @@
 * @return       Node-API value
 */
 static napi_value addon( napi_env env, napi_callback_info info ) {
-	napi_status status;
-
-	// Get callback arguments:
-	size_t argc = 2;
-	napi_value argv[ 2 ];
-	status = napi_get_cb_info( env, info, &argc, argv, NULL, NULL );
-	assert( status == napi_ok );
-
-	// Check whether we were provided the correct number of arguments:
-	if ( argc < 2 ) {
-		status = napi_throw_error( env, NULL, "invalid invocation. Insufficient arguments." );
-		assert( status == napi_ok );
-		return NULL;
-	}
-	if ( argc > 2 ) {
-		status = napi_throw_error( env, NULL, "invalid invocation. Too many arguments." );
-		assert( status == napi_ok );
-		return NULL;
-	}
-
-	bool res;
-	status = napi_is_typedarray( env, argv[ 0 ], &res );
-	assert( status == napi_ok );
-	if ( res == false ) {
-		status = napi_throw_type_error( env, NULL, "invalid argument. First argument must be a Float64Array." );
-		assert( status == napi_ok );
-		return NULL;
-	}
-
-	napi_valuetype vtype1;
-	status = napi_typeof( env, argv[ 1 ], &vtype1 );
-	assert( status == napi_ok );
-	if ( vtype1 != napi_number ) {
-		status = napi_throw_type_error( env, NULL, "invalid argument. Second argument must be a number." );
-		assert( status == napi_ok );
-		return NULL;
-	}
-
-	napi_typedarray_type vtype0;
-	size_t len;
-	void *Out;
-	status = napi_get_typedarray_info( env, argv[ 0 ], &vtype0, &len, &Out, NULL, NULL );
-	assert( status == napi_ok );
-	if ( vtype0 != napi_float64_array ) {
-		status = napi_throw_type_error( env, NULL, "invalid argument. First argument must be a Float64Array." );
-		assert( status == napi_ok );
-		return NULL;
-	}
-	if ( len != 2 ) {
-		status = napi_throw_range_error( env, NULL, "invalid argument. First argument must have 2 elements." );
-		assert( status == napi_ok );
-		return NULL;
-	}
-
-	double value;
-	status = napi_get_value_double( env, argv[ 1 ], &value );
-	assert( status == napi_ok );
-
-	double integral;
-	double frac;
-	stdlib_base_modf( value, &integral, &frac );
-
-	double *op = (double *)Out;
-	op[ 0 ] = integral;
-	op[ 1 ] = frac;
-
+	STDLIB_NAPI_ARGV( env, info, argv, argc, 2 );
+	STDLIB_NAPI_ARGV_DOUBLE( env, x, argv, 0 );
+	STDLIB_NAPI_ARGV_FLOAT64ARRAY( env, y, ylen, argv, 1 );
+	stdlib_base_modf( x, &y[ 0 ], &y[ 1 ] );
 	return NULL;
 }
 
-/**
-* Initializes a Node-API module.
-*
-* @param env      environment under which the function is invoked
-* @param exports  exports object
-* @return         main export
-*/
-static napi_value init( napi_env env, napi_value exports ) {
-	napi_value fcn;
-	napi_status status = napi_create_function( env, "exports", NAPI_AUTO_LENGTH, addon, NULL, &fcn );
-	assert( status == napi_ok );
-	return fcn;
-}
-
-NAPI_MODULE( NODE_GYP_MODULE_NAME, init )
+STDLIB_NAPI_MODULE_EXPORT_FCN( addon )