feat: add evalrationalf to namespace

Author: kgryte

lib/node_modules/@stdlib/math/base/tools/lib/index.js

@@ -76,6 +76,15 @@ setReadOnly( ns, 'evalpolyf', require( '@stdlib/math/base/tools/evalpolyf' ) );
 */
 setReadOnly( ns, 'evalrational', require( '@stdlib/math/base/tools/evalrational' ) );
 
+/**
+* @name evalrationalf
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/math/base/tools/evalrationalf}
+*/
+setReadOnly( ns, 'evalrationalf', require( '@stdlib/math/base/tools/evalrationalf' ) );
+
 /**
 * @name fibpoly
 * @memberof ns