diff --git a/lib/node_modules/@stdlib/math/base/special/sinpi/test/test.js b/lib/node_modules/@stdlib/math/base/special/sinpi/test/test.js
index ba10b2c4607d..77e214b07e96 100644
--- a/lib/node_modules/@stdlib/math/base/special/sinpi/test/test.js
+++ b/lib/node_modules/@stdlib/math/base/special/sinpi/test/test.js
@@ -26,6 +26,7 @@ var PINF = require( '@stdlib/constants/float64/pinf' );
 var NINF = require( '@stdlib/constants/float64/ninf' );
 var EPS = require( '@stdlib/constants/float64/eps' );
 var abs = require( '@stdlib/math/base/special/abs' );
+var isSameValue = require( '@stdlib/assert/is-same-value' );
 var sinpi = require( './../lib/' );
 
 
@@ -67,7 +68,22 @@ tape( 'if provided an integer, the function returns `+-0`', function test( t ) {
 	expected = integers.expected;
 	for ( i = 0; i < x.length; i++ ) {
 		y = sinpi( x[i] );
-		t.equal( y, expected[ i ], 'returns '+expected[i] );
+		t.equal( isSameValue( y, expected[ i ] ), true, 'returns '+expected[ i ] );
+	}
+	t.end();
+});
+
+tape( 'the function is odd', function test( t ) {
+	var expected;
+	var x;
+	var y;
+	var i;
+
+	x = decimals.x;
+	for ( i = 0; i < x.length; i++ ) {
+		y = sinpi( -x[i] );
+		expected = -sinpi( x[i] );
+		t.equal( y, expected, 'returns '+expected );
 	}
 	t.end();
 });
diff --git a/lib/node_modules/@stdlib/math/base/special/sinpi/test/test.native.js b/lib/node_modules/@stdlib/math/base/special/sinpi/test/test.native.js
index b7bfc40023ad..771641fc023d 100644
--- a/lib/node_modules/@stdlib/math/base/special/sinpi/test/test.native.js
+++ b/lib/node_modules/@stdlib/math/base/special/sinpi/test/test.native.js
@@ -27,6 +27,7 @@ var PINF = require( '@stdlib/constants/float64/pinf' );
 var NINF = require( '@stdlib/constants/float64/ninf' );
 var EPS = require( '@stdlib/constants/float64/eps' );
 var abs = require( '@stdlib/math/base/special/abs' );
+var isSameValue = require( '@stdlib/assert/is-same-value' );
 var tryRequire = require( '@stdlib/utils/try-require' );
 
 
@@ -76,7 +77,22 @@ tape( 'if provided an integer, the function returns `+-0`', opts, function test(
 	expected = integers.expected;
 	for ( i = 0; i < x.length; i++ ) {
 		y = sinpi( x[i] );
-		t.equal( y, expected[ i ], 'returns '+expected[i] );
+		t.equal( isSameValue( y, expected[ i ] ), true, 'returns '+expected[ i ] );
+	}
+	t.end();
+});
+
+tape( 'the function is odd', opts, function test( t ) {
+	var expected;
+	var x;
+	var y;
+	var i;
+
+	x = decimals.x;
+	for ( i = 0; i < x.length; i++ ) {
+		y = sinpi( -x[i] );
+		expected = -sinpi( x[i] );
+		t.equal( y, expected, 'returns '+expected );
 	}
 	t.end();
 });