chore: cleanup

---
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
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  - task: lint_markdown
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    status: passed
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  - task: lint_javascript_tests
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  - task: lint_javascript_benchmarks
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  - task: lint_c_src
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  - task: lint_c_examples
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---

Author: aayush0325

lib/node_modules/@stdlib/lapack/base/iladlc/README.md

@@ -20,7 +20,7 @@ limitations under the License.
 
 # iladlc
 
-> Find the index of the last non zero column in a matrix `A`
+> Find the index of the last non-zero column in a matrix `A`
 
 <section class="usage">
 
@@ -32,7 +32,7 @@ var iladlc = require( '@stdlib/lapack/base/iladlc' );
 
 #### iladlc( order, M, N, A, LDA )
 
-Finds the index of the last non zero column in a matrix `A`.
+Returns the index of the last non-zero column in a matrix `A`.
 
 ```javascript
 var Float64Array = require( '@stdlib/array/float64' );
@@ -77,7 +77,7 @@ var out = iladlc( 'row-major', 2, 3, A1, 3 );
 
 #### iladlc.ndarray( uplo, M, N, A, sa1, sa2, oa, B, sb1, sb2, ob )
 
-Finds the index of the last non zero column in a matrix `A` using alternative indexing semantics.
+Finds the index of the last non-zero column in a matrix `A` using alternative indexing semantics.
 
 ```javascript
 var Float64Array = require( '@stdlib/array/float64' );

lib/node_modules/@stdlib/lapack/base/iladlc/benchmark/benchmark.js

@@ -22,7 +22,7 @@
 
 var bench = require( '@stdlib/bench' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
-var discreteUniform = require( '@stdlib/random/array/discrete-uniform' );
+var zeros = require( '@stdlib/array/zeros' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var floor = require( '@stdlib/math/base/special/floor' );
 var pkg = require( './../package.json' ).name;
@@ -48,11 +48,7 @@ var LAYOUTS = [
 * @returns {Function} benchmark function
 */
 function createBenchmark( order, N ) {
-	var A;
-
-	A = discreteUniform( N*N, 0.0, 1.0, {
-		'dtype': 'float64'
-	});
+	var A = zeros( N*N, 'float64' );
 	return benchmark;
 
 	/**
@@ -67,6 +63,7 @@ function createBenchmark( order, N ) {
 
 		b.tic();
 		for ( i = 0; i < b.iterations; i++ ) {
+			A[ 0 ] = i;
 			z = iladlc( order, N, N, A, N );
 			if ( isnan( z ) ) {
 				b.fail( 'should not return NaN' );

lib/node_modules/@stdlib/lapack/base/iladlc/benchmark/benchmark.ndarray.js

@@ -24,10 +24,10 @@ var bench = require( '@stdlib/bench' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var floor = require( '@stdlib/math/base/special/floor' );
-var discreteUniform = require( '@stdlib/random/array/discrete-uniform' );
+var zeros = require( '@stdlib/array/zeros' );
 var isColumnMajor = require( '@stdlib/ndarray/base/assert/is-column-major-string' );
 var pkg = require( './../package.json' ).name;
-var iladlc = require( './../lib/iladlc.js' );
+var iladlc = require( './../lib/ndarray.js' );
 
 
 // VARIABLES //
@@ -49,11 +49,7 @@ var LAYOUTS = [
 * @returns {Function} benchmark function
 */
 function createBenchmark( order, N ) {
-	var A;
-
-	A = discreteUniform( N*N, 0.0, 1.0, {
-		'dtype': 'float64'
-	});
+	var A = zeros( N*N, 'float64' );
 	return benchmark;
 
 	/**
@@ -78,7 +74,8 @@ function createBenchmark( order, N ) {
 
 		b.tic();
 		for ( i = 0; i < b.iterations; i++ ) {
-			z = iladlc( order, N, N, A, sa1, sa2, 0 );
+			A[ 0 ] = i;
+			z = iladlc( N, N, A, sa1, sa2, 0 );
 			if ( isnan( z ) ) {
 				b.fail( 'should not return NaN' );
 			}

lib/node_modules/@stdlib/lapack/base/iladlc/docs/repl.txt

@@ -1,10 +1,13 @@
 
 {{alias}}( order, M, N, A, LDA )
-    Finds the index of the last non zero column in a matrix `A`.
+    Returns the index of the last non-zero column in a matrix `A`.
 
     Indexing is relative to the first index. To introduce an offset, use typed
     array views.
 
+    If provided an empty matrix or a matrix containing only zeros, the function
+    returns `-1` (i.e., an invalid index).
+
     Parameters
     ----------
     order: string
@@ -23,7 +26,7 @@
     Returns
     -------
     iladlr: integer
-        Zero based index of the last non-zero row.
+        Zero based index of the last non-zero column.
 
     Examples
     --------
@@ -33,13 +36,16 @@
 
 
 {{alias}}.ndarray( M, N, A, sa1, sa2, oa )
-    Finds the index of the last non zero column in a matrix `A` using
+    Returns the index of the last non-zero column in a matrix `A` using
     alternative indexing semantics.
 
     While typed array views mandate a view offset based on the underlying
     buffer, the offset parameters support indexing semantics based on starting
     indices.
 
+    If provided an empty matrix or a matrix containing only zeros, the function
+    returns `-1` (i.e., an invalid index).
+
     Parameters
     ----------
     M: integer
@@ -63,7 +69,7 @@
     Returns
     -------
     iladlr: integer
-        Zero based index of the last non-zero row.
+        Zero based index of the last non-zero column.
 
     Examples
     --------

lib/node_modules/@stdlib/lapack/base/iladlc/docs/docs/index.d.ts renamed to lib/node_modules/@stdlib/lapack/base/iladlc/docs/types/index.d.ts

@@ -27,14 +27,18 @@ import { Layout } from '@stdlib/types/blas';
 */
 interface Routine {
 	/**
-	* Finds the index of the last non zero column in a matrix `A`.
+	* Returns the index of the last non-zero column in a matrix `A`.
+	*
+	* ## Notes
+	*
+	* -   If provided an empty matrix or a matrix containing only zeros, the function returns `-1` (i.e., an invalid index).
 	*
 	* @param order - storage layout
 	* @param M - number of rows in `A`
 	* @param N - number of columns in `A`
 	* @param A - input matrix
 	* @param LDA - stride of the first dimension of `A` (a.k.a., leading dimension of the matrix `A`)
-	* @returns index of the last non zero column
+	* @returns index of the last non-zero column
 	*
 	* @example
 	* var Float64array = require( '@stdlib/array/float64' );
@@ -47,14 +51,18 @@ interface Routine {
 	( order: Layout, M: number, N: number, A: Float64Array, LDA: number ): number;
 
 	/**
-	* Finds the index of the last non zero column in a matrix `A` using alternative indexing semantics.
+	* Finds the index of the last non-zero column in a matrix `A` using alternative indexing semantics.
+	*
+	* ## Notes
+	*
+	* -   If provided an empty matrix or a matrix containing only zeros, the function returns `-1` (i.e., an invalid index).
 	*
 	* @param M - number of rows in `A`
 	* @param N - number of columns in `A`
 	* @param A - input matrix
 	* @param strideA1 - stride of the first dimension of `A`
 	* @param strideA2 - stride of the second dimension of `A`
-	* @returns index of the last non zero column
+	* @returns index of the last non-zero column
 	*
 	* @example
 	* var Float64array = require( '@stdlib/array/float64' );
@@ -68,14 +76,18 @@ interface Routine {
 }
 
 /**
-* Finds the index of the last non zero column in a matrix `A`.
+* Returns the index of the last non-zero column in a matrix `A`.
+*
+* ## Notes
+*
+* -   If provided an empty matrix or a matrix containing only zeros, the function returns `-1` (i.e., an invalid index).
 *
 * @param order - storage layout
 * @param M - number of rows in `A`
 * @param N - number of columns in `A`
 * @param A - input matrix
 * @param LDA - stride of the first dimension of `A` (a.k.a., leading dimension of the matrix `A`)
-* @returns index of the last non zero column
+* @returns index of the last non-zero column
 *
 * @example
 * var Float64array = require( '@stdlib/array/float64' );

lib/node_modules/@stdlib/lapack/base/iladlc/docs/docs/test.ts renamed to lib/node_modules/@stdlib/lapack/base/iladlc/docs/types/test.ts

@@ -20,13 +20,17 @@
 
 // MODULES //
 
-var isRowMajor = require( '@stdlib/ndarray/base/assert/is-row-major' );
+var iladlr = require( '@stdlib/lapack/base/iladlr' ).ndarray;
 
 
 // MAIN //
 
 /**
-* Finds the index of the last non zero column in a matrix `A`.
+* Returns the index of the last non-zero column in a matrix `A`.
+*
+* ## Notes
+*
+* -   If provided an empty matrix or a matrix containing only zeros, the function returns `-1` (i.e., an invalid index).
 *
 * @private
 * @param {PositiveInteger} M - number of rows in `A`
@@ -35,7 +39,7 @@ var isRowMajor = require( '@stdlib/ndarray/base/assert/is-row-major' );
 * @param {integer} strideA1 - stride of the first dimension of `A`
 * @param {integer} strideA2 - stride of the second dimension of `A`
 * @param {NonNegativeInteger} offsetA - index offset for `A`
-* @returns {integer} index of the last non zero column
+* @returns {integer} index of the last non-zero column
 *
 * @example
 * var Float64array = require( '@stdlib/array/float64' );
@@ -46,50 +50,7 @@ var isRowMajor = require( '@stdlib/ndarray/base/assert/is-row-major' );
 * // returns 1
 */
 function iladlc( M, N, A, strideA1, strideA2, offsetA ) {
-	var ia1;
-	var ia2;
-	var i;
-	var j;
-
-	if ( M === 0 || N === 0 ) {
-		return -1; // Invalid index
-	}
-
-	ia1 = offsetA + ( (N-1) * strideA2 ); // A( 1, N )
-	ia2 = ia1 + ( (M-1) * strideA1 ); // A( M, N )
-
-	// Quick test for common case where corners are non-zero:
-	if ( A[ ia1 ] !== 0.0 || A[ ia2 ] !== 0.0 ) {
-		return N - 1;
-	}
-
-	if ( isRowMajor( [ strideA1, strideA2 ] ) ) {
-		ia1 = offsetA;
-		for ( i = 0; i < M; i++ ) {
-			ia2 = ( N - 1 ) * strideA2;
-			for ( j = N-1; j >= 0; j-- ) {
-				if ( A[ ia1 + ia2 ] !== 0.0 ) {
-					return j;
-				}
-				ia2 -= strideA2;
-			}
-			ia1 += strideA1;
-		}
-	} else {
-		ia1 = offsetA + ( (N-1) * strideA2 );
-		for ( i = N-1; i >= 0; i-- ) {
-			ia2 = 0;
-			for ( j = 0; j < M; j++ ) {
-				if ( A[ ia1 + ia2 ] !== 0.0 ) {
-					return i;
-				}
-				ia2 += strideA1;
-			}
-			ia1 -= strideA2;
-		}
-	}
-
-	return -1;
+	return iladlr( N, M, A, strideA2, strideA1, offsetA );
 }
 
 

lib/node_modules/@stdlib/lapack/base/iladlc/lib/base.js

@@ -31,7 +31,11 @@ var base = require( './base.js' );
 // MAIN //
 
 /**
-* Finds the index of the last non zero column in a matrix `A`.
+* Returns the index of the last non-zero column in a matrix `A`.
+*
+* ## Notes
+*
+* -   If provided an empty matrix or a matrix containing only zeros, the function returns `-1` (i.e., an invalid index).
 *
 * @param {string} order - storage layout
 * @param {PositiveInteger} M - number of rows in `A`
@@ -40,7 +44,7 @@ var base = require( './base.js' );
 * @param {integer} LDA - stride of the first dimension of `A` (a.k.a., leading dimension of the matrix `A`)
 * @throws {TypeError} first argument must be a valid order
 * @throws {RangeError} fifth argument must be greater than or equal to max(1,N)
-* @returns {integer} index of the last non zero column
+* @returns {integer} index of the last non-zero column
 *
 * @example
 * var Float64array = require( '@stdlib/array/float64' );
@@ -53,12 +57,17 @@ var base = require( './base.js' );
 function iladlc( order, M, N, A, LDA ) {
 	var sa1;
 	var sa2;
-
+	var s;
 	if ( !isLayout( order ) ) {
 		throw new TypeError( format( 'invalid argument. First argument must be a valid order. Value: `%s`.', order ) );
 	}
-	if ( isRowMajor( order ) && LDA < max( 1, N ) ) {
-		throw new RangeError( format( 'invalid argument. Fourth argument must be greater than or equal to max(1,%d). Value: `%d`.', N, LDA ) );
+	if ( isRowMajor( order ) ) {
+		s = N;
+	} else {
+		s = M;
+	}
+	if ( LDA < max( 1, s ) ) {
+		throw new RangeError( format( 'invalid argument. Fifth argument must be greater than or equal to max(1,%d). Value: `%d`.', s, LDA ) );
 	}
 	if ( isColumnMajor( order ) ) {
 		sa1 = 1;

lib/node_modules/@stdlib/lapack/base/iladlc/lib/iladlc.js

@@ -19,7 +19,11 @@
 'use strict';
 
 /**
-* LAPACK routine to find the index of the last non zero row in a input matrix.
+* LAPACK routine to find the index of the last non-zero column in a input matrix.
+*
+* ## Notes
+*
+* -   If provided an empty matrix or a matrix containing only zeros, the function returns `-1` (i.e., an invalid index).
 *
 * @module @stdlib/lapack/base/iladlc
 *

lib/node_modules/@stdlib/lapack/base/iladlc/lib/index.js

@@ -26,15 +26,19 @@ var base = require( './base.js' );
 // MAIN //
 
 /**
-* Finds the index of the last non zero column in a matrix `A` using alternative indexing semantics.
+* Finds the index of the last non-zero column in a matrix `A` using alternative indexing semantics.
+*
+* ## Notes
+*
+* -   If provided an empty matrix or a matrix containing only zeros, the function returns `-1` (i.e., an invalid index).
 *
 * @param {PositiveInteger} M - number of rows in `A`
 * @param {PositiveInteger} N - number of columns in `A`
 * @param {Float64Array} A - input matrix
 * @param {integer} strideA1 - stride of the first dimension of `A`
 * @param {integer} strideA2 - stride of the second dimension of `A`
 * @param {NonNegativeInteger} offsetA - index offset for `A`
-* @returns {integer} index of the last non zero column
+* @returns {integer} index of the last non-zero column
 *
 * @example
 * var Float64array = require( '@stdlib/array/float64' );

lib/node_modules/@stdlib/lapack/base/iladlc/lib/ndarray.js

@@ -1,7 +1,7 @@
 {
   "name": "@stdlib/lapack/base/iladlc",
   "version": "0.0.0",
-  "description": "LAPACK routine to find the index of the last non zero column in a input matrix.",
+  "description": "LAPACK routine to find the index of the last non-zero column in a input matrix.",
   "license": "Apache-2.0",
   "author": {
     "name": "The Stdlib Authors",

lib/node_modules/@stdlib/lapack/base/iladlc/package.json

@@ -139,7 +139,7 @@ tape( 'the function returns an invalid index (-1) when N is zero', function test
 	t.end();
 });
 
-tape( 'the function returns the expected zero based index of the last non zero column of a matrix (row-major)', function test( t ) {
+tape( 'the function returns the expected zero based index of the last non-zero column of a matrix (row-major)', function test( t ) {
 	var data;
 	var out;
 	var A;
@@ -153,7 +153,7 @@ tape( 'the function returns the expected zero based index of the last non zero c
 	t.end();
 });
 
-tape( 'the function returns the expected zero based index of the last non zero column of a matrix (column-major)', function test( t ) {
+tape( 'the function returns the expected zero based index of the last non-zero column of a matrix (column-major)', function test( t ) {
 	var data;
 	var out;
 	var A;