fix #2

js/dist/number.js

@@ -388,4 +388,13 @@ var logloge = function ( n ) {
 
 exports.logloge = logloge;
 
+/* js/src/memory */
+/* js/src/memory/copy.js */
+
+var copy = function ( a ) {
+	return a ;
+} ;
+
+exports.copy = copy ;
+
 })(typeof exports === 'undefined' ? this['number'] = {} : exports);

js/src/memory/copy.js

@@ -0,0 +1,6 @@
+
+var copy = function ( a ) {
+	return a ;
+} ;
+
+exports.copy = copy ;

test/js/src/memory.js

@@ -0,0 +1,36 @@
+
+var one ;
+
+one = function ( a ) {
+
+	var b , x ;
+
+	b = number.copy( a ) ;
+
+	ok( a === b , a + " === " + b ) ;
+
+	x = Math.random( ) ;
+
+	a -= x ;
+
+	ok( a === b - x , a + " === " + b + " - " + x ) ;
+
+} ;
+
+test( "memory" , function ( ) {
+
+	var a , i , n ;
+
+	n = 10 ;
+
+	for ( i = 0 ; i < n ; ++i ) {
+		a = Math.random( ) ;
+		one( a ) ;
+	}
+
+	one(  Infinity ) ;
+	one(         0 ) ;
+	one( -Infinity ) ;
+
+
+} )