test: fix variable name

Signed-off-by: Athan <kgryte@gmail.com>

Author: kgryte

lib/node_modules/@stdlib/constants/float16/ln-two/test/test.js

@@ -24,7 +24,7 @@ var tape = require( 'tape' );
 var lnf = require( '@stdlib/math/base/special/lnf' );
 var absf = require( '@stdlib/math/base/special/absf' );
 var EPS = require( '@stdlib/constants/float16/eps' );
-var float64ToFloat32 = require( '@stdlib/number/float64/base/to-float16' );
+var float64ToFloat16 = require( '@stdlib/number/float64/base/to-float16' );
 var FLOAT16_LN2 = require( './../lib' );
 
 
@@ -37,7 +37,7 @@ tape( 'main export is a number', function test( t ) {
 });
 
 tape( 'export is a half-precision floating-point number equal to `0.693359375`', function test( t ) {
-	t.strictEqual( FLOAT16_LN2, float64ToFloat32( 0.6931471805599453 ), 'returns expected value' );
+	t.strictEqual( FLOAT16_LN2, float64ToFloat16( 0.6931471805599453 ), 'returns expected value' );
 	t.end();
 });
 
@@ -47,7 +47,7 @@ tape( 'export equals `lnf(2)`', function test( t ) {
 	var v;
 
 	v = lnf( 2.0 );
-	delta = absf( float64ToFloat32( v - FLOAT16_LN2 ) );
+	delta = absf( float64ToFloat16( v - FLOAT16_LN2 ) );
 	tol = EPS * FLOAT16_LN2;
 
 	t.ok( delta <= tol, 'equals lnf(2) within tolerance '+tol );