--- /dev/null
+/*
+ * extensions/underset-overset.js
+ *
+ * Part of the jsMath package for mathematics on the web.
+ *
+ * This file implements \underset and \overset macros. It will be loaded
+ * automatically when needed, or can be loaded by
+ *
+ * jsMath.Extension.Require('underset-overset');
+ *
+ * ---------------------------------------------------------------------
+ *
+ * Copyright 200-20065 by Davide P. Cervone
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/********************************************************************/
+
+jsMath.Package(jsMath.Parser,{
+
+ macros: {
+ overset: 'Overset',
+ underset: 'Underset'
+ },
+
+ Overset: function (name) {
+ var top = this.ProcessArg(this.cmd+name); if (this.error) return;
+ var bot = this.ProcessArg(this.cmd+name); if (this.error) return;
+ var op = jsMath.mItem.Atom('op',bot);
+ op.limits = 1; op.sup = top;
+ this.mlist.Add(op);
+ },
+
+ Underset: function (name) {
+ var bot = this.ProcessArg(this.cmd+name); if (this.error) return;
+ var top = this.ProcessArg(this.cmd+name); if (this.error) return;
+ var op = jsMath.mItem.Atom('op',top);
+ op.limits = 1; op.sub = bot;
+ this.mlist.Add(op);
+ }
+
+});