gecko-dev/js/perf/tests/math/log-001.js

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3.5 KiB
JavaScript

/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is JavaScript Engine performance test.
*
* The Initial Developer of the Original Code is Netscape Communications Corp.
* Portions created by the Initial Developer are Copyright (C) 2002
* the Initial Developer. All Rights Reserved.
*
* Contributor(s): Mazie Lobo mazielobo@netscape.com
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK *****
*
*
* Date: 12 October 2002
* SUMMARY: Testing the |log()| method for the Math object. It rturns the
* natural logarithm (base E) of a number.
*
* Syntax: |log(x)| where x is a number.
*/
//-----------------------------------------------------------------------------
var UBOUND=1000000;
test();
function test()
{
var u_bound = UBOUND;
var status;
var start;
var end;
var i;
status = "Math.log(0)";
start = new Date();
for(i=0; i<u_bound; i++)
{
Math.log(0);
}
end = new Date();
reportTime(status, start, end);
status = "Math.log(1)";
start = new Date();
for(i=0; i<u_bound; i++)
{
Math.log(1);
}
end = new Date();
reportTime(status, start, end);
status = "Math.log(-1)";
start = new Date();
for(i=0; i<u_bound; i++)
{
Math.log(-1);
}
end = new Date();
reportTime(status, start, end);
status = "Math.log(100)";
start = new Date();
for(i=0; i<u_bound; i++)
{
Math.log(100);
}
end = new Date();
reportTime(status, start, end);
status = "Math.log(1000)";
start = new Date();
for(i=0; i<u_bound; i++)
{
Math.log(1000);
}
end = new Date();
reportTime(status, start, end);
status = "Math.log(1000000)";
start = new Date();
for(i=0; i<u_bound; i++)
{
Math.log(1000000);
}
end = new Date();
reportTime(status, start, end);
status = "Math.log(-100)";
start = new Date();
for(i=0; i<u_bound; i++)
{
Math.log(-100);
}
end = new Date();
reportTime(status, start, end);
status = "Math.log(-10000)";
start = new Date();
for(i=0; i<u_bound; i++)
{
Math.log(-10000);
}
end = new Date();
reportTime(status, start, end);
status = "Math.log(-1000000)";
start = new Date();
for(i=0; i<u_bound; i++)
{
Math.log(-1000000);
}
end = new Date();
reportTime(status, start, end);
}