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