fix: use correct return type in Routine interface and fix descriptions

---
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: na
  - task: lint_javascript_cli
    status: na
  - task: lint_javascript_examples
    status: passed
  - task: lint_javascript_tests
    status: na
  - task: lint_javascript_benchmarks
    status: na
  - task: lint_python
    status: na
  - task: lint_r
    status: na
  - task: lint_c_src
    status: na
  - 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: passed
  - task: lint_typescript_tests
    status: passed
  - task: lint_license_headers
    status: passed
---

Author: Planeshifter

lib/node_modules/@stdlib/blas/ext/base/wasm/dapx/docs/types/index.d.ts

@@ -138,7 +138,7 @@ interface Module extends ModuleWrapper {
 	* @param alpha - scalar constant
 	* @param xptr - input array pointer (i.e., byte offset)
 	* @param strideX - stride length
-	* @returns input array
+	* @returns input array pointer
 	*
 	* @example
 	* var Memory = require( '@stdlib/wasm/memory' );
@@ -192,7 +192,7 @@ interface Module extends ModuleWrapper {
 	* @param xptr - input array pointer (i.e., byte offset)
 	* @param strideX - stride length
 	* @param offsetX - starting index
-	* @returns sum
+	* @returns input array pointer
 	*
 	* @example
 	* var Memory = require( '@stdlib/wasm/memory' );
@@ -260,7 +260,7 @@ interface Routine extends ModuleWrapper {
 	* var out = dapx.main( 3, 5.0, x, 1 );
 	* // out => <Float64Array>[ 6.0, 3.0, 7.0 ]
 	*/
-	main( N: number, alpha: number, x: Float64Array, strideX: number ): number;
+	main( N: number, alpha: number, x: Float64Array, strideX: number ): Float64Array;
 
 	/**
 	* Adds a scalar constant to each element in a double-precision floating-point strided array using alternative indexing semantics.
@@ -270,7 +270,7 @@ interface Routine extends ModuleWrapper {
 	* @param x - input array
 	* @param strideX - stride length
 	* @param offsetX - starting index
-	* @returns sum
+	* @returns input array
 	*
 	* @example
 	* var Float64Array = require( '@stdlib/array/float64' );
@@ -280,7 +280,7 @@ interface Routine extends ModuleWrapper {
 	* dapx.ndarray( 4, 5.0, x, 2, 1 );
 	* // x => <Float64Array>[ 2.0, 6.0, 2.0, 3.0, -2.0, 7.0, 3.0, 9.0 ]
 	*/
-	ndarray( N: number, alpha: number, x: Float64Array, strideX: number, offsetX: number ): number;
+	ndarray( N: number, alpha: number, x: Float64Array, strideX: number, offsetX: number ): Float64Array;
 
 	/**
 	* Returns a new WebAssembly module wrapper instance which uses the provided WebAssembly memory instance as its underlying memory.

lib/node_modules/@stdlib/blas/ext/base/wasm/dapx/docs/types/test.ts

@@ -24,11 +24,11 @@ import dapx = require( './index' );
 
 // TESTS //
 
-// Attached to the main export is a `main` method which returns a number...
+// Attached to the main export is a `main` method which returns a Float64Array...
 {
 	const x = new Float64Array( 10 );
 
-	dapx.main( x.length, 5.0, x, 1 ); // $ExpectType number
+	dapx.main( x.length, 5.0, x, 1 ); // $ExpectType Float64Array
 }
 
 // The compiler throws an error if the `main` method is provided a first argument which is not a number...
@@ -99,11 +99,11 @@ import dapx = require( './index' );
 	dapx.main( x.length, x, 1, 10, 2 ); // $ExpectError
 }
 
-// Attached to main export is an `ndarray` method which returns a number...
+// Attached to main export is an `ndarray` method which returns a Float64Array...
 {
 	const x = new Float64Array( 10 );
 
-	dapx.ndarray( x.length, 5.0, x, 1, 0 ); // $ExpectType number
+	dapx.ndarray( x.length, 5.0, x, 1, 0 ); // $ExpectType Float64Array
 }
 
 // The compiler throws an error if the `ndarray` method is provided a first argument which is not a number...

lib/node_modules/@stdlib/blas/ext/base/wasm/dapx/examples/index.js

@@ -33,10 +33,10 @@ function main() {
 	var x = oneTo( N, 'float64' );
 
 	// Perform computation:
-	dapx.ndarray( N, 5.0, x, 1, 0 );
+	var out = dapx.ndarray( N, 5.0, x, 1, 0 );
 
 	// Print the results:
-	console.log( x );
+	console.log( out );
 	// => <Float64Array>[ 6.0, 7.0, 8.0, 9.0, 10.0 ]
 }