fix: correct memory bounds check for negative strides

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---

Author: iampratik13

lib/node_modules/@stdlib/lapack/base/dlaswp/src/addon.c

@@ -112,13 +112,14 @@ static napi_value addon_method( napi_env env, napi_callback_info info ) {
 	STDLIB_NAPI_ARGV_STRIDED_FLOAT64ARRAY2D( env, A, mrows, N, strideA1, strideA2, argv, 1 );
 
 	// For IPIV, compute the total number of elements needed:
-	CBLAS_INT absStride;
-	if ( strideIPIV > 0 ) {
-		absStride = strideIPIV;
+	CBLAS_INT nipiv;
+	if ( nrows <= 0 ) {
+		nipiv = 0;
+	} else if ( strideIPIV < 0 ) {
+		nipiv = offsetIPIV + 1;
 	} else {
-		absStride = -strideIPIV;
+		nipiv = offsetIPIV + ( ( nrows - 1 ) * strideIPIV ) + 1;
 	}
-	CBLAS_INT nipiv = offsetIPIV + ( ( nrows - 1 ) * absStride ) + 1;
 	STDLIB_NAPI_ARGV_STRIDED_INT32ARRAY( env, IPIV, nipiv, 1, argv, 8 );
 
 	API_SUFFIX(c_dlaswp_ndarray)( N, A, strideA1, strideA2, offsetA, k1, k2, inck, IPIV, strideIPIV, offsetIPIV );