test: use correct expected values

Author: anandkaranubc

lib/node_modules/@stdlib/math/base/special/kernel-cos/test/test.js

@@ -23,7 +23,6 @@
 var tape = require( 'tape' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var rempio2 = require( '@stdlib/math/base/special/rempio2' );
-var cos = require( '@stdlib/math/base/special/cos' );
 var kernelCos = require( './../lib' );
 
 
@@ -55,21 +54,24 @@ tape( 'the function returns `NaN` if provided `NaN` for either parameter', funct
 });
 
 tape( 'the function evaluates the cosine for input values on the interval `[-pi/4, pi/4]`', function test( t ) {
+	var expected;
 	var values;
 	var out;
 	var x;
 	var i;
 
 	values = smallRange.x;
+	expected = smallRange.expected;
 	for ( i = 0; i < values.length; i++ ) {
 		x = values[ i ];
 		out = kernelCos( x, 0.0 );
-		t.strictEqual( out, cos( x ), 'returns expected value' );
+		t.strictEqual( out, expected[ i ], 'returns expected value' );
 	}
 	t.end();
 });
 
 tape( 'the function can be used to compute the cosine for input values outside of `[-pi/4, pi/4]` after argument reduction via `rempio2` (positive)', function test( t ) {
+	var expected;
 	var values;
 	var out;
 	var x;
@@ -78,18 +80,19 @@ tape( 'the function can be used to compute the cosine for input values outside o
 	var i;
 
 	values = largePositive.x;
+	expected = largePositive.expected;
 	y = new Array( 2 );
 	for ( i = 0; i < values.length; i++ ) {
 		x = values[ i ];
 		n = rempio2( x, y );
 		switch ( n & 3 ) {
 		case 0:
 			out = kernelCos( y[ 0 ], y[ 1 ] );
-			t.strictEqual( out, cos( x ), 'returns expected value' );
+			t.strictEqual( out, expected[ i ], 'returns expected value' );
 			break;
 		case 2:
 			out = -kernelCos( y[ 0 ], y[ 1 ] );
-			t.strictEqual( out, cos( x ), 'returns expected value' );
+			t.strictEqual( out, expected[ i ], 'returns expected value' );
 			break;
 		default:
 			break;
@@ -99,6 +102,7 @@ tape( 'the function can be used to compute the cosine for input values outside o
 });
 
 tape( 'the function can be used to compute the cosine for input values outside of `[-pi/4, pi/4]` after argument reduction via `rempio2` (negative)', function test( t ) {
+	var expected;
 	var values;
 	var out;
 	var x;
@@ -107,18 +111,19 @@ tape( 'the function can be used to compute the cosine for input values outside o
 	var i;
 
 	values = largeNegative.x;
+	expected = largeNegative.expected;
 	y = new Array( 2 );
 	for ( i = 0; i < values.length; i++ ) {
 		x = values[ i ];
 		n = rempio2( x, y );
 		switch ( n & 3 ) {
 		case 0:
 			out = kernelCos( y[ 0 ], y[ 1 ] );
-			t.strictEqual( out, cos( x ), 'returns expected value' );
+			t.strictEqual( out, expected[ i ], 'returns expected value' );
 			break;
 		case 2:
 			out = -kernelCos( y[ 0 ], y[ 1 ] );
-			t.strictEqual( out, cos( x ), 'returns expected value' );
+			t.strictEqual( out, expected[ i ], 'returns expected value' );
 			break;
 		default:
 			break;