test: add tests for IEEE 754-2019 compliance

lib/node_modules/@stdlib/math/base/special/asin/test/test.js

@@ -25,6 +25,8 @@ var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var randu = require( '@stdlib/random/base/randu' );
 var EPS = require( '@stdlib/constants/float64/eps' );
 var abs = require( '@stdlib/math/base/special/abs' );
+var isNegativeZero = require( '@stdlib/assert/is-negative-zero' );
+var isPositiveZero = require( '@stdlib/assert/is-positive-zero' );
 var asin = require( './../lib' );
 
 
@@ -142,3 +144,15 @@ tape( 'the function returns `NaN` if provided a value greater than `+1`', functi
 	}
 	t.end();
 });
+
+tape( 'the function returns `-0` if provided `-0`', function test( t ) {
+	var v = asin( -0.0 );
+	t.strictEqual( isNegativeZero( v ), true, 'returns expected value' );
+	t.end();
+});
+
+tape( 'the function returns `+0` if provided `+0`', function test( t ) {
+	var v = asin( 0.0 );
+	t.strictEqual( isPositiveZero( v ), true, 'returns expected value' );
+	t.end();
+});

lib/node_modules/@stdlib/math/base/special/asin/test/test.native.js

@@ -27,6 +27,8 @@ var randu = require( '@stdlib/random/base/randu' );
 var tryRequire = require( '@stdlib/utils/try-require' );
 var EPS = require( '@stdlib/constants/float64/eps' );
 var abs = require( '@stdlib/math/base/special/abs' );
+var isNegativeZero = require( '@stdlib/assert/is-negative-zero' );
+var isPositiveZero = require( '@stdlib/assert/is-positive-zero' );
 
 
 // FIXTURES //
@@ -151,3 +153,15 @@ tape( 'the function returns `NaN` if provided a value greater than `+1`', opts,
 	}
 	t.end();
 });
+
+tape( 'the function returns `-0` if provided `-0`', opts, function test( t ) {
+	var v = asin( -0.0 );
+	t.strictEqual( isNegativeZero( v ), true, 'returns expected value' );
+	t.end();
+});
+
+tape( 'the function returns `+0` if provided `+0`', opts, function test( t ) {
+	var v = asin( 0.0 );
+	t.strictEqual( isPositiveZero( v ), true, 'returns expected value' );
+	t.end();
+});

lib/node_modules/@stdlib/math/base/special/sinpi/test/test.js

@@ -26,6 +26,8 @@ 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 isNegativeZero = require( '@stdlib/assert/is-negative-zero' );
+var isPositiveZero = require( '@stdlib/assert/is-positive-zero' );
 var isSameValue = require( '@stdlib/assert/is-same-value' );
 var sinpi = require( './../lib/' );
 
@@ -58,6 +60,18 @@ tape( 'if provided `NaN`, the function returns `NaN`', function test( t ) {
 	t.end();
 });
 
+tape( 'the function returns `-0` if provided `-0`', function test( t ) {
+	var v = sinpi( -0.0 );
+	t.strictEqual( isNegativeZero( v ), true, 'returns expected value' );
+	t.end();
+});
+
+tape( 'the function returns `+0` if provided `+0`', function test( t ) {
+	var v = sinpi( 0.0 );
+	t.strictEqual( isPositiveZero( v ), true, 'returns expected value' );
+	t.end();
+});
+
 tape( 'if provided an integer, the function returns `+-0`', function test( t ) {
 	var expected;
 	var x;

lib/node_modules/@stdlib/math/base/special/sinpi/test/test.native.js

@@ -27,6 +27,8 @@ 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 isNegativeZero = require( '@stdlib/assert/is-negative-zero' );
+var isPositiveZero = require( '@stdlib/assert/is-positive-zero' );
 var isSameValue = require( '@stdlib/assert/is-same-value' );
 var tryRequire = require( '@stdlib/utils/try-require' );
 
@@ -67,6 +69,18 @@ tape( 'if provided `NaN`, the function returns `NaN`', opts, function test( t )
 	t.end();
 });
 
+tape( 'the function returns `-0` if provided `-0`', opts, function test( t ) {
+	var v = sinpi( -0.0 );
+	t.strictEqual( isNegativeZero( v ), true, 'returns expected value' );
+	t.end();
+});
+
+tape( 'the function returns `+0` if provided `+0`', opts, function test( t ) {
+	var v = sinpi( 0.0 );
+	t.strictEqual( isPositiveZero( v ), true, 'returns expected value' );
+	t.end();
+});
+
 tape( 'if provided an integer, the function returns `+-0`', opts, function test( t ) {
 	var expected;
 	var x;

lib/node_modules/@stdlib/math/base/special/tan/test/test.js

@@ -27,6 +27,8 @@ var PI = require( '@stdlib/constants/float64/pi' );
 var EPS = require( '@stdlib/constants/float64/eps' );
 var PINF = require( '@stdlib/constants/float64/pinf' );
 var NINF = require( '@stdlib/constants/float64/ninf' );
+var isNegativeZero = require( '@stdlib/assert/is-negative-zero' );
+var isPositiveZero = require( '@stdlib/assert/is-positive-zero' );
 var tan = require( './../lib' );
 
 
@@ -448,3 +450,15 @@ tape( 'if provided `-infinity`, the function returns `NaN`', function test( t )
 	t.equal( isnan( v ), true, 'returns expected value' );
 	t.end();
 });
+
+tape( 'the function returns `-0` if provided `-0`', function test( t ) {
+	var v = tan( -0.0 );
+	t.strictEqual( isNegativeZero( v ), true, 'returns expected value' );
+	t.end();
+});
+
+tape( 'the function returns `+0` if provided `+0`', function test( t ) {
+	var v = tan( 0.0 );
+	t.strictEqual( isPositiveZero( v ), true, 'returns expected value' );
+	t.end();
+});

lib/node_modules/@stdlib/math/base/special/tan/test/test.native.js

@@ -28,6 +28,8 @@ var PI = require( '@stdlib/constants/float64/pi' );
 var EPS = require( '@stdlib/constants/float64/eps' );
 var PINF = require( '@stdlib/constants/float64/pinf' );
 var NINF = require( '@stdlib/constants/float64/ninf' );
+var isPositiveZero = require( '@stdlib/assert/is-positive-zero' );
+var isNegativeZero = require( '@stdlib/assert/is-negative-zero' );
 var tryRequire = require( '@stdlib/utils/try-require' );
 
 
@@ -457,3 +459,15 @@ tape( 'if provided `-infinity`, the function returns `NaN`', opts, function test
 	t.equal( isnan( v ), true, 'returns expected value' );
 	t.end();
 });
+
+tape( 'the function returns `-0` if provided `-0`', opts, function test( t ) {
+	var v = tan( -0.0 );
+	t.strictEqual( isNegativeZero( v ), true, 'returns expected value' );
+	t.end();
+});
+
+tape( 'the function returns `+0` if provided `+0`', opts, function test( t ) {
+	var v = tan( 0.0 );
+	t.strictEqual( isPositiveZero( v ), true, 'returns expected value' );
+	t.end();
+});