Add separate state length property

Author: kgryte

lib/node_modules/@stdlib/random/base/arcsine/README.md

@@ -190,9 +190,18 @@ r = arcsine( 2.0, 4.0 );
 // ...
 ```
 
+#### arcsine.STATE_LENGTH
+
+Length of generator state.
+
+```javascript
+var len = arcsine.STATE_LENGTH;
+// returns <number>
+```
+
 #### arcsine.STATE_SIZE
 
-Size of generator state.
+Size (in bytes) of generator state.
 
 ```javascript
 var sz = arcsine.STATE_SIZE;

lib/node_modules/@stdlib/random/base/arcsine/docs/repl.txt

@@ -127,8 +127,16 @@
     <number>
 
 
+{{alias}}.STATE_LENGTH
+    Length of generator state.
+
+    Examples
+    --------
+    > var len = {{alias}}.STATE_LENGTH;
+
+
 {{alias}}.STATE_SIZE
-    Size of generator state.
+    Size (in bytes) of generator state.
 
     Examples
     --------

lib/node_modules/@stdlib/random/base/arcsine/lib/factory.js

@@ -105,6 +105,7 @@ function factory() {
 		'get': getState,
 		'set': setState
 	});
+	setReadOnly( prng, 'STATE_LENGTH', rand.STATE_LENGTH );
 	setReadOnly( prng, 'STATE_SIZE', rand.STATE_SIZE );
 	setReadOnly( prng, 'PRNG', rand );
 

lib/node_modules/@stdlib/random/base/arcsine/test/test.factory.js

@@ -119,6 +119,12 @@ tape( 'attached to the returned function is the generator state', function test(
 	t.end();
 });
 
+tape( 'attached to the returned function is the generator state length', function test( t ) {
+	var arcsine = factory();
+	t.equal( typeof arcsine.STATE_LENGTH, 'number', 'has `STATE_LENGTH` property' );
+	t.end();
+});
+
 tape( 'attached to the returned function is the generator state size', function test( t ) {
 	var arcsine = factory();
 	t.equal( typeof arcsine.STATE_SIZE, 'number', 'has `STATE_SIZE` property' );

lib/node_modules/@stdlib/random/base/arcsine/test/test.js

@@ -58,6 +58,11 @@ tape( 'attached to the main export is the generator state', function test( t ) {
 	t.end();
 });
 
+tape( 'attached to the main export is the generator state length', function test( t ) {
+	t.equal( typeof arcsine.STATE_LENGTH, 'number', 'has `STATE_LENGTH` property' );
+	t.end();
+});
+
 tape( 'attached to the main export is the generator state size', function test( t ) {
 	t.equal( typeof arcsine.STATE_SIZE, 'number', 'has `STATE_SIZE` property' );
 	t.end();