refactor: implmentation and add test cases

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Author: gururaj1512

…dlib/array/float16/test/test.polyfill.js …/@stdlib/array/float16/lib/from_array.jslib/node_modules/@stdlib/array/float16/test/test.polyfill.js renamed to lib/node_modules/@stdlib/array/float16/lib/from_array.js lib/node_modules/@stdlib/array/float16/test/test.polyfill.js renamed to lib/node_modules/@stdlib/array/float16/lib/from_array.js

@@ -20,25 +20,32 @@
 
 // MODULES //
 
-var tape = require( 'tape' );
-var ctor = require( './../lib/polyfill.js' );
+var float64ToFloat16 = require( '@stdlib/number/float64/base/to-float16' );
+var toWord = require( '@stdlib/number/float16/base/to-word' );
 
 
-// TESTS //
+// MAIN //
 
-tape( 'main export is a function', function test( t ) {
-	t.ok( true, __filename );
-	t.strictEqual( typeof ctor, 'function', 'main export is a function' );
-	t.end();
-});
-
-tape( 'the function throws an error when invoked', function test( t ) {
-	t.throws( foo, Error, 'throws an error' );
-	t.end();
+/**
+* Fills an output array with "unsigned 16-bit integer corresponding to the IEEE 754 binary representation of a half-precision floating-point number" values.
+*
+* @private
+* @param {Uint16Array} buf - output array
+* @param {Array} arr - input array
+* @returns {Uint16Array} output array
+*/
+function fromArray( buf, arr ) {
+	var len;
+	var i;
 
-	function foo() {
-		var f = new ctor(); // eslint-disable-line no-unused-vars
+	len = arr.length;
+	for ( i = 0; i < len; i++ ) {
+		buf[ i ] = toWord( float64ToFloat16( arr[ i ] ) );
 	}
-});
+	return buf;
+}
+
+
+// EXPORTS //
 
-// TODO: tests
+module.exports = fromArray;

lib/node_modules/@stdlib/array/float16/lib/from_iterator.js

@@ -18,6 +18,12 @@
 
 'use strict';
 
+// MODULES //
+
+var float64ToFloat16 = require( '@stdlib/number/float64/base/to-float16' );
+var toWord = require( '@stdlib/number/float16/base/to-word' );
+
+
 // MAIN //
 
 /**
@@ -37,7 +43,7 @@ function fromIterator( it ) {
 		if ( v.done ) {
 			break;
 		}
-		out.push( v.value );
+		out.push( toWord( float64ToFloat16( v.value ) ) );
 	}
 	return out;
 }

lib/node_modules/@stdlib/array/float16/lib/from_iterator_map.js

@@ -18,6 +18,12 @@
 
 'use strict';
 
+// MODULES //
+
+var float64ToFloat16 = require( '@stdlib/number/float64/base/to-float16' );
+var toWord = require( '@stdlib/number/float16/base/to-word' );
+
+
 // MAIN //
 
 /**
@@ -42,7 +48,7 @@ function fromIteratorMap( it, clbk, thisArg ) {
 			break;
 		}
 		i += 1;
-		out.push( clbk.call( thisArg, v.value, i ) );
+		out.push( toWord( float64ToFloat16( clbk.call( thisArg, v.value, i ) ) ) );
 	}
 	return out;
 }

lib/node_modules/@stdlib/array/float16/lib/index.js

@@ -44,7 +44,7 @@
 * @example
 * var Float16Array = require( '@stdlib/array/float16' );
 *
-* var arr = new Float16Array( [ true, false ] );
+* var arr = new Float16Array( [ 1.0, 2.0 ] );
 * // returns <Float16Array>
 *
 * var len = arr.length;