fixup! feat: add protocol support to stats/base/varianceyc

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---

Author: pulkitgupta2

lib/node_modules/@stdlib/stats/base/varianceyc/test/test.ndarray.js

@@ -130,6 +130,21 @@ tape( 'if provided an `N` parameter less than or equal to `0`, the function retu
 	t.end();
 });
 
+tape( 'if provided an `N` parameter less than or equal to `0`, the function returns `NaN` (accessor)', function test( t ) {
+	var x;
+	var v;
+
+	x = toAccessorArray([ 1.0, -2.0, -4.0, 5.0, 3.0 ]);
+
+	v = varianceyc( 0, 1, x, 1, 0 );
+	t.strictEqual( isnan( v ), true, 'returns expected value' );
+
+	v = varianceyc( -1, 1, x, 1, 0 );
+	t.strictEqual( isnan( v ), true, 'returns expected value' );
+
+	t.end();
+});
+
 tape( 'if provided an `N` parameter equal to `1`, the function returns a population variance of `0`', function test( t ) {
 	var x;
 	var v;
@@ -142,6 +157,18 @@ tape( 'if provided an `N` parameter equal to `1`, the function returns a populat
 	t.end();
 });
 
+tape( 'if provided an `N` parameter equal to `1`, the function returns a population variance of `0` (accessor)', function test( t ) {
+	var x;
+	var v;
+
+	x = toAccessorArray([ 1.0, -2.0, -4.0, 5.0, 3.0 ]);
+
+	v = varianceyc( 1, 0, x, 1, 0 );
+	t.strictEqual( v, 0.0, 'returns expected value' );
+
+	t.end();
+});
+
 tape( 'if provided a `correction` parameter yielding `N-correction` less than or equal to `0`, the function returns `NaN`', function test( t ) {
 	var x;
 	var v;
@@ -157,6 +184,21 @@ tape( 'if provided a `correction` parameter yielding `N-correction` less than or
 	t.end();
 });
 
+tape( 'if provided a `correction` parameter yielding `N-correction` less than or equal to `0`, the function returns `NaN (accessor)`', function test( t ) {
+	var x;
+	var v;
+
+	x = toAccessorArray([ 1.0, -2.0, -4.0, 5.0, 3.0 ]);
+
+	v = varianceyc( x.length, x.length, x, 1, 0 );
+	t.strictEqual( isnan( v ), true, 'returns expected value' );
+
+	v = varianceyc( x.length, x.length+1, x, 1, 0 );
+	t.strictEqual( isnan( v ), true, 'returns expected value' );
+
+	t.end();
+});
+
 tape( 'the function supports a `stride` parameter', function test( t ) {
 	var x;
 	var v;

lib/node_modules/@stdlib/stats/base/varianceyc/test/test.varianceyc.js

@@ -131,6 +131,21 @@ tape( 'if provided an `N` parameter less than or equal to `0`, the function retu
 	t.end();
 });
 
+tape( 'if provided an `N` parameter less than or equal to `0`, the function returns `NaN (accessor)`', function test( t ) {
+	var x;
+	var v;
+
+	x = toAccessorArray([ 1.0, -2.0, -4.0, 5.0, 3.0 ]);
+
+	v = varianceyc( 0, 1, x, 1 );
+	t.strictEqual( isnan( v ), true, 'returns expected value' );
+
+	v = varianceyc( -1, 1, x, 1 );
+	t.strictEqual( isnan( v ), true, 'returns expected value' );
+
+	t.end();
+});
+
 tape( 'if provided an `N` parameter equal to `1`, the function returns a population variance of `0`', function test( t ) {
 	var x;
 	var v;
@@ -143,6 +158,18 @@ tape( 'if provided an `N` parameter equal to `1`, the function returns a populat
 	t.end();
 });
 
+tape( 'if provided an `N` parameter equal to `1`, the function returns a population variance of `0` (accessor)', function test( t ) {
+	var x;
+	var v;
+
+	x = toAccessorArray([ 1.0, -2.0, -4.0, 5.0, 3.0 ]);
+
+	v = varianceyc( 1, 0, x, 1 );
+	t.strictEqual( v, 0.0, 'returns expected value' );
+
+	t.end();
+});
+
 tape( 'if provided a `correction` parameter yielding `N-correction` less than or equal to `0`, the function returns `NaN`', function test( t ) {
 	var x;
 	var v;
@@ -158,6 +185,21 @@ tape( 'if provided a `correction` parameter yielding `N-correction` less than or
 	t.end();
 });
 
+tape( 'if provided a `correction` parameter yielding `N-correction` less than or equal to `0`, the function returns `NaN` (accessor)', function test( t ) {
+	var x;
+	var v;
+
+	x = toAccessorArray([ 1.0, -2.0, -4.0, 5.0, 3.0 ]);
+
+	v = varianceyc( x.length, x.length, x, 1 );
+	t.strictEqual( isnan( v ), true, 'returns expected value' );
+
+	v = varianceyc( x.length, x.length+1, x, 1 );
+	t.strictEqual( isnan( v ), true, 'returns expected value' );
+
+	t.end();
+});
+
 tape( 'the function supports a `stride` parameter', function test( t ) {
 	var x;
 	var v;