diff --git a/lib/node_modules/@stdlib/blas/base/ssyr/lib/ndarray.js b/lib/node_modules/@stdlib/blas/base/ssyr/lib/ndarray.js
index 80b84bc65b05..ececa216170f 100644
--- a/lib/node_modules/@stdlib/blas/base/ssyr/lib/ndarray.js
+++ b/lib/node_modules/@stdlib/blas/base/ssyr/lib/ndarray.js
@@ -20,7 +20,7 @@
 
 // MODULES //
 
-var isMatrixTriangle = require( '@stdlib/blas/base/assert/is-matrix-triangle' );
+var resolveStr = require( '@stdlib/blas/base/matrix-triangle-resolve-str' );
 var format = require( '@stdlib/string/format' );
 var base = require( './base.js' );
 
@@ -30,7 +30,7 @@ var base = require( './base.js' );
 /**
 * Performs the symmetric rank 1 operation `A = α*x*x^T + A` where `α` is a scalar, `x` is an `N` element vector, and `A` is an `N` by `N` symmetric matrix.
 *
-* @param {string} uplo - specifies whether the upper or lower triangular part of the symmetric matrix `A` should be referenced
+* @param {(integer|string)} uplo - specifies whether the upper or lower triangular part of the symmetric matrix `A` should be referenced
 * @param {NonNegativeInteger} N - number of elements along each dimension of `A`
 * @param {number} alpha - scalar constant
 * @param {Float32Array} x - input vector
@@ -57,7 +57,8 @@ var base = require( './base.js' );
 * // A => <Float32Array>[ 2.0, 4.0, 6.0, 2.0, 5.0, 8.0, 3.0, 2.0, 10.0 ]
 */
 function ssyr( uplo, N, alpha, x, strideX, offsetX, A, strideA1, strideA2, offsetA ) { // eslint-disable-line max-len
-	if ( !isMatrixTriangle( uplo ) ) {
+	var u = resolveStr( uplo );
+	if ( u === null ) {
 		throw new TypeError( format( 'invalid argument. First argument must specify whether to reference the lower or upper triangular matrix. Value: `%s`.', uplo ) );
 	}
 	if ( N < 0 ) {
@@ -76,7 +77,7 @@ function ssyr( uplo, N, alpha, x, strideX, offsetX, A, strideA1, strideA2, offse
 	if ( N === 0 || alpha === 0.0 ) {
 		return A;
 	}
-	return base( uplo, N, alpha, x, strideX, offsetX, A, strideA1, strideA2, offsetA ); // eslint-disable-line max-len
+	return base( u, N, alpha, x, strideX, offsetX, A, strideA1, strideA2, offsetA ); // eslint-disable-line max-len
 }
 
 
diff --git a/lib/node_modules/@stdlib/blas/base/ssyr/lib/ssyr.js b/lib/node_modules/@stdlib/blas/base/ssyr/lib/ssyr.js
index f10d3974de3d..07c0921ba811 100644
--- a/lib/node_modules/@stdlib/blas/base/ssyr/lib/ssyr.js
+++ b/lib/node_modules/@stdlib/blas/base/ssyr/lib/ssyr.js
@@ -22,7 +22,7 @@
 
 var max = require( '@stdlib/math/base/special/fast/max' );
 var isLayout = require( '@stdlib/blas/base/assert/is-layout' );
-var isMatrixTriangle = require( '@stdlib/blas/base/assert/is-matrix-triangle' );
+var resolveStr = require( '@stdlib/blas/base/matrix-triangle-resolve-str' );
 var isColumnMajor = require( '@stdlib/ndarray/base/assert/is-column-major-string' );
 var stride2offset = require( '@stdlib/strided/base/stride2offset' );
 var format = require( '@stdlib/string/format' );
@@ -35,7 +35,7 @@ var base = require( './base.js' );
 * Performs the symmetric rank 1 operation `A = α*x*x^T + A` where `α` is a scalar, `x` is an `N` element vector, and `A` is an `N` by `N` symmetric matrix.
 *
 * @param {string} order - storage layout
-* @param {string} uplo - specifies whether the upper or lower triangular part of the symmetric matrix `A` should be referenced
+* @param {(integer|string)} uplo - specifies whether the upper or lower triangular part of the symmetric matrix `A` should be referenced
 * @param {NonNegativeInteger} N - number of elements along each dimension of `A`
 * @param {number} alpha - scalar constant
 * @param {Float32Array} x - input vector
@@ -62,11 +62,13 @@ function ssyr( order, uplo, N, alpha, x, strideX, A, LDA ) {
 	var sa1;
 	var sa2;
 	var ox;
+	var u;
 
 	if ( !isLayout( order ) ) {
 		throw new TypeError( format( 'invalid argument. First argument must be a valid order. Value: `%s`.', order ) );
 	}
-	if ( !isMatrixTriangle( uplo ) ) {
+	u = resolveStr( uplo );
+	if ( u === null ) {
 		throw new TypeError( format( 'invalid argument. Second argument must specify whether to reference the lower or upper triangular matrix. Value: `%s`.', uplo ) );
 	}
 	if ( N < 0 ) {
@@ -90,7 +92,7 @@ function ssyr( order, uplo, N, alpha, x, strideX, A, LDA ) {
 		sa2 = 1;
 	}
 	ox = stride2offset( N, strideX );
-	return base( uplo, N, alpha, x, strideX, ox, A, sa1, sa2, 0 );
+	return base( u, N, alpha, x, strideX, ox, A, sa1, sa2, 0 );
 }