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Annotation of loncom/html/adm/jsMath/extensions/underset-overset.js, revision 1.1

1.1     ! albertel    1: /*
        !             2:  *  extensions/underset-overset.js
        !             3:  *  
        !             4:  *  Part of the jsMath package for mathematics on the web.
        !             5:  *
        !             6:  *  This file implements \underset and \overset macros.  It will be loaded
        !             7:  *  automatically when needed, or can be loaded by
        !             8:  *  
        !             9:  *    jsMath.Extension.Require('underset-overset');
        !            10:  *  
        !            11:  *  ---------------------------------------------------------------------
        !            12:  *
        !            13:  *  Copyright 200-20065 by Davide P. Cervone
        !            14:  * 
        !            15:  *  Licensed under the Apache License, Version 2.0 (the "License");
        !            16:  *  you may not use this file except in compliance with the License.
        !            17:  *  You may obtain a copy of the License at
        !            18:  * 
        !            19:  *      http://www.apache.org/licenses/LICENSE-2.0
        !            20:  * 
        !            21:  *  Unless required by applicable law or agreed to in writing, software
        !            22:  *  distributed under the License is distributed on an "AS IS" BASIS,
        !            23:  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
        !            24:  *  See the License for the specific language governing permissions and
        !            25:  *  limitations under the License.
        !            26:  */
        !            27: 
        !            28: /********************************************************************/
        !            29: 
        !            30: jsMath.Package(jsMath.Parser,{
        !            31: 
        !            32:   macros: {
        !            33:     overset:            'Overset',
        !            34:     underset:           'Underset'
        !            35:   },
        !            36:   
        !            37:   Overset: function (name) {
        !            38:     var top = this.ProcessArg(this.cmd+name); if (this.error) return;
        !            39:     var bot = this.ProcessArg(this.cmd+name); if (this.error) return;
        !            40:     var op = jsMath.mItem.Atom('op',bot);
        !            41:     op.limits = 1; op.sup = top;
        !            42:     this.mlist.Add(op);
        !            43:   },
        !            44: 
        !            45:   Underset: function (name) {
        !            46:     var bot = this.ProcessArg(this.cmd+name); if (this.error) return;
        !            47:     var top = this.ProcessArg(this.cmd+name); if (this.error) return;
        !            48:     var op = jsMath.mItem.Atom('op',top);
        !            49:     op.limits = 1; op.sub = bot;
        !            50:     this.mlist.Add(op);
        !            51:   }
        !            52: 
        !            53: });