/* * Copyright (C) 2016 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/ "use strict";
function tDist(n)
{ if (n > tMax) return tLimit; return tDistribution[n];
}
let sum = 0;
let n = 0; for (let datum of this._data) {
sum += datum;
n++;
}
let mean = sum / n;
if (n <= 2) return {n, mean};
let sumForStdDev = 0; for (let datum of this._data)
sumForStdDev += Math.pow(datum - mean, 2);
let standardDeviation = Math.sqrt(sumForStdDev / (n - 1));
let standardError = standardDeviation / Math.sqrt(n);
let interval = tDist(n) * standardError; return {n, mean, interval};
}
toString()
{
let result = this.result;
if (!result.n) { if (isInBrowser) return `<span class="value">\∅</span><span class="units">ms</span>`; return `${this._prefix}\⬔ms`;
}
if (result.mean != result.mean) return"ERROR";
if ("interval" in result) { if (isInBrowser) return `<span class="value">${this._prefix}${result.mean.toFixed(2)}</span><span class="margin"> ±${result.interval.toFixed(2)}</span><span class="units">ms</span>`; return `${this._prefix}${result.mean.toFixed(2)} +- ${result.interval.toFixed(2)} ms`;
}
if (isInBrowser) return `<span class="value">${this._prefix}${result.mean.toFixed(2)}</span><span class="units">ms</span>`; return `${this._prefix}${result.mean.toFixed(2)} ms`;
}
_update()
{ if (isInBrowser) { if (this._cell) this._cell.innerHTML = this.toString();
} else
print(this.toString());
}
}
Messung V0.5
¤ Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.0.5Bemerkung:
¤
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.
