Auto-generated commit

Author: stdlib-bot

CHANGELOG.md

@@ -9644,6 +9644,7 @@ A total of 28 people contributed to this release. Thank you to the following con
 
 <details>
 
+-   [`1e85369`](https://github.com/stdlib-js/stdlib/commit/1e8536951a859bc8e78a5791a99cbc2553e1df34) - **test:** add tests for IEEE 754-2019 compliance [(#6560)](https://github.com/stdlib-js/stdlib/pull/6560) _(by Karan Anand)_
 -   [`7184862`](https://github.com/stdlib-js/stdlib/commit/71848621a0bb8380055d696c50db378f18ee9663) - **test:** add tests for IEEE 754-2019 compliance [(#6562)](https://github.com/stdlib-js/stdlib/pull/6562) _(by Karan Anand)_
 -   [`d8437b8`](https://github.com/stdlib-js/stdlib/commit/d8437b85b0a0e4a1a27098ea88ccf1332a126408) - **test:** add tests for IEEE 754-2019 compliance [(#6563)](https://github.com/stdlib-js/stdlib/pull/6563) _(by Karan Anand)_
 -   [`f7db171`](https://github.com/stdlib-js/stdlib/commit/f7db17180a75fd1c3b7f5311ded957d4cfca07f5) - **test:** add tests for IEEE 754-2019 compliance [(#6564)](https://github.com/stdlib-js/stdlib/pull/6564) _(by Karan Anand)_

base/special/cospi/test/test.js

@@ -28,6 +28,7 @@ var NINF = require( '@stdlib/constants/float64/ninf' );
 var EPS = require( '@stdlib/constants/float64/eps' );
 var abs = require( './../../../../base/special/abs' );
 var pow = require( './../../../../base/special/pow' );
+var isPositiveZero = require( '@stdlib/assert/is-positive-zero' );
 var cospi = require( './../lib/' );
 
 
@@ -99,7 +100,22 @@ tape( 'the function returns `0` for any value with fractional part equal to 1/2'
 	x = incrspace( 0.5, 100.5, 1.0 );
 	for ( i = 0; i < x.length; i++ ) {
 		y = cospi( x[i] );
-		t.equal( y, 0.0, 'x: '+x[i]+'. E: 0' );
+		t.equal( isPositiveZero( y ), true, 'returns expected value' );
+	}
+	t.end();
+});
+
+tape( 'the function is even', function test( t ) {
+	var expected;
+	var x;
+	var y;
+	var i;
+
+	x = decimals.x;
+	for ( i = 0; i < x.length; i++ ) {
+		y = cospi( -x[i] );
+		expected = cospi( x[i] );
+		t.equal( y, expected, 'returns '+expected );
 	}
 	t.end();
 });

base/special/cospi/test/test.native.js

@@ -29,6 +29,7 @@ var NINF = require( '@stdlib/constants/float64/ninf' );
 var EPS = require( '@stdlib/constants/float64/eps' );
 var abs = require( './../../../../base/special/abs' );
 var pow = require( './../../../../base/special/pow' );
+var isPositiveZero = require( '@stdlib/assert/is-positive-zero' );
 var tryRequire = require( '@stdlib/utils/try-require' );
 
 
@@ -108,7 +109,22 @@ tape( 'the function returns `0` for any value with fractional part equal to 1/2'
 	x = incrspace( 0.5, 100.5, 1.0 );
 	for ( i = 0; i < x.length; i++ ) {
 		y = cospi( x[i] );
-		t.equal( y, 0.0, 'x: '+x[i]+'. E: 0' );
+		t.equal( isPositiveZero( y ), true, 'returns expected value' );
+	}
+	t.end();
+});
+
+tape( 'the function is even', opts, function test( t ) {
+	var expected;
+	var x;
+	var y;
+	var i;
+
+	x = decimals.x;
+	for ( i = 0; i < x.length; i++ ) {
+		y = cospi( -x[i] );
+		expected = cospi( x[i] );
+		t.equal( y, expected, 'returns '+expected );
 	}
 	t.end();
 });