Apply suggestions from code review

Co-authored-by: Athan <kgryte@gmail.com>
Signed-off-by: Athan <kgryte@gmail.com>

Author: kgryte

lib/node_modules/@stdlib/blas/ext/base/ddiff/README.md

@@ -34,7 +34,7 @@ var ddiff = require( '@stdlib/blas/ext/base/ddiff' );
 
 #### ddiff( N, k, x, strideX, N1, prepend, strideP, N2, append, strideA, out, strideOut, workspace, strideW )
 
-Calculates the k-th discrete forward differences of a double-precision floating-point strided array.
+Calculates the k-th discrete forward difference of a double-precision floating-point strided array.
 
 ```javascript
 var Float64Array = require( '@stdlib/array/float64' );
@@ -111,7 +111,7 @@ console.log( out );
 
 #### ddiff.ndarray( N, k, x, strideX, offsetX, N1, prepend, strideP, offsetP, N2, append, strideA, offsetA, out, strideOut, offsetOut, workspace, strideW, offsetW )
 
-Calculates the k-th discrete forward differences of a double-precision floating-point strided array using alternative indexing semantics.
+Calculates the k-th discrete forward difference of a double-precision floating-point strided array using alternative indexing semantics.
 
 ```javascript
 var Float64Array = require( '@stdlib/array/float64' );
@@ -161,6 +161,7 @@ console.log( out );
 
 ## Notes
 
+-   When `k <= 1`, the workspace array is unused and thus ignored.
 -   If `N <= 0`, both functions return the output array unchanged.
 
 </section>
@@ -234,7 +235,7 @@ console.log( 'Output: ', out );
 
 #### stdlib_strided_ddiff( N, k, \*X, strideX, N1, \*prepend, strideP, N2, \*append, strideA, \*out, strideOut, \*workspace, strideW )
 
-Calculates the k-th discrete forward differences of a double-precision floating-point strided array.
+Calculates the k-th discrete forward difference of a double-precision floating-point strided array.
 
 ```c
 const double x[] = { 2.0, 4.0, 6.0, 8.0, 10.0 };
@@ -271,7 +272,7 @@ void stdlib_strided_ddiff( const CBLAS_INT N, const CBLAS_INT k, const double *X
 
 #### stdlib_strided_ddiff_ndarray( N, k, \*X, strideX, offsetX, N1, \*prepend, strideP, offsetP, N2, \*append, strideA, offsetA, \*out, strideOut, offsetOut, \*workspace, strideW, offsetW )
 
-Calculates the k-th discrete forward differences of a double-precision floating-point strided array using alternative indexing semantics.
+Calculates the k-th discrete forward difference of a double-precision floating-point strided array using alternative indexing semantics.
 
 ```c
 const double x[] = { 2.0, 4.0, 6.0, 8.0, 10.0 };

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

@@ -40,14 +40,14 @@ import ddiff = require( './index' );
 	const out = new Float64Array( 11 );
 	const w = new Float64Array( 11 );
 
-	ddiff( '10', 1.0, x, 1, 1, p, 1, 1, a, 1, out, 1, w, 1 ); // $ExpectError
-	ddiff( true, 1.0, x, 1, 1, p, 1, 1, a, 1, out, 1, w, 1 ); // $ExpectError
-	ddiff( false, 1.0, x, 1, 1, p, 1, 1, a, 1, out, 1, w, 1 ); // $ExpectError
-	ddiff( null, 1.0, x, 1, 1, p, 1, 1, a, 1, out, 1, w, 1 ); // $ExpectError
-	ddiff( undefined, 1.0, x, 1, 1, p, 1, 1, a, 1, out, 1, w, 1 ); // $ExpectError
-	ddiff( [], 1.0, x, 1, 1, p, 1, 1, a, 1, out, 1, w, 1 ); // $ExpectError
-	ddiff( {}, 1.0, x, 1, 1, p, 1, 1, a, 1, out, 1, w, 1 ); // $ExpectError
-	ddiff( ( x: number ): number => x, 1.0, x, 1, 1, p, 1, 1, a, 1, out, 1, w, 1 ); // $ExpectError
+	ddiff( '10', 1, x, 1, 1, p, 1, 1, a, 1, out, 1, w, 1 ); // $ExpectError
+	ddiff( true, 1, x, 1, 1, p, 1, 1, a, 1, out, 1, w, 1 ); // $ExpectError
+	ddiff( false, 1, x, 1, 1, p, 1, 1, a, 1, out, 1, w, 1 ); // $ExpectError
+	ddiff( null, 1, x, 1, 1, p, 1, 1, a, 1, out, 1, w, 1 ); // $ExpectError
+	ddiff( undefined, 1, x, 1, 1, p, 1, 1, a, 1, out, 1, w, 1 ); // $ExpectError
+	ddiff( [], 1, x, 1, 1, p, 1, 1, a, 1, out, 1, w, 1 ); // $ExpectError
+	ddiff( {}, 1, x, 1, 1, p, 1, 1, a, 1, out, 1, w, 1 ); // $ExpectError
+	ddiff( ( x: number ): number => x, 1, x, 1, 1, p, 1, 1, a, 1, out, 1, w, 1 ); // $ExpectError
 }
 
 // The compiler throws an error if the function is provided a second argument which is not a number...

lib/node_modules/@stdlib/blas/ext/base/ddiff/include/stdlib/blas/ext/base/ddiff.h

@@ -29,14 +29,14 @@ extern "C" {
 #endif
 
 /**
-* Calculates the k-th discrete forward differences of a double-precision floating-point strided array.
+* Calculates the k-th discrete forward difference of a double-precision floating-point strided array.
 */
-void API_SUFFIX(stdlib_strided_ddiff)( const CBLAS_INT N, const CBLAS_INT k, const double *X, const CBLAS_INT strideX, const CBLAS_INT N1, const double *prepend, const CBLAS_INT strideP, const CBLAS_INT N2, const double *append, const CBLAS_INT strideA, double *out, const CBLAS_INT strideOut, double *workspace, const CBLAS_INT strideW );
+void API_SUFFIX(stdlib_strided_ddiff)( const CBLAS_INT N, const CBLAS_INT k, const double *X, const CBLAS_INT strideX, const CBLAS_INT N1, const double *Prepend, const CBLAS_INT strideP, const CBLAS_INT N2, const double *Append, const CBLAS_INT strideA, double *Out, const CBLAS_INT strideOut, double *Workspace, const CBLAS_INT strideW );
 
 /**
-* Calculates the k-th discrete forward differences of a double-precision floating-point strided array using alternative indexing semantics.
+* Calculates the k-th discrete forward difference of a double-precision floating-point strided array using alternative indexing semantics.
 */
-void API_SUFFIX(stdlib_strided_ddiff_ndarray)( const CBLAS_INT N, const CBLAS_INT k, const double *X, const CBLAS_INT strideX, const CBLAS_INT offsetX, const CBLAS_INT N1, const double *prepend, const CBLAS_INT strideP, const CBLAS_INT offsetP, const CBLAS_INT N2, const double *append, const CBLAS_INT strideA, const CBLAS_INT offsetA, double *out, const CBLAS_INT strideOut, const CBLAS_INT offsetOut, double *workspace, const CBLAS_INT strideW, const CBLAS_INT offsetW );
+void API_SUFFIX(stdlib_strided_ddiff_ndarray)( const CBLAS_INT N, const CBLAS_INT k, const double *X, const CBLAS_INT strideX, const CBLAS_INT offsetX, const CBLAS_INT N1, const double *Prepend, const CBLAS_INT strideP, const CBLAS_INT offsetP, const CBLAS_INT N2, const double *Append, const CBLAS_INT strideA, const CBLAS_INT offsetA, double *Out, const CBLAS_INT strideOut, const CBLAS_INT offsetOut, double *Workspace, const CBLAS_INT strideW, const CBLAS_INT offsetW );
 
 
 #ifdef __cplusplus

lib/node_modules/@stdlib/blas/ext/base/ddiff/src/main.c

@@ -24,7 +24,6 @@
 /**
 * Calculates the forward difference of a double-precision floating-point strided array using alternative indexing semantics.
 *
-* @private
 * @param N          number of indexed elements
 * @param X          input array
 * @param strideX    stride length for X