function recursivelySplitIntoTwoSegmentsAtMaxTIfSignificantlyDifferent()

in resources/perf.webkit.org/public/shared/statistics.js [275:295]

• 21 lines of code
• 7 McCabe index (conditional complexity)

    function recursivelySplitIntoTwoSegmentsAtMaxTIfSignificantlyDifferent(values, startIndex, length, minLength, segments) {
        var tMax = 0;
        var argTMax = null;
        for (var i = 1; i < length - 1; i++) {
            var firstLength = i;
            var secondLength = length - i;
            if (firstLength < minLength || secondLength < minLength)
                continue;
            var result = Statistics.computeWelchsT(values, startIndex, firstLength, values, startIndex + i, secondLength, 0.9);
            if (result.significantlyDifferent && result.t > tMax) {
                tMax = result.t;
                argTMax = i;
            }
        }
        if (!tMax) {
            segments.push(startIndex);
            return;
        }
        recursivelySplitIntoTwoSegmentsAtMaxTIfSignificantlyDifferent(values, startIndex, argTMax, minLength, segments);
        recursivelySplitIntoTwoSegmentsAtMaxTIfSignificantlyDifferent(values, startIndex + argTMax, length - argTMax, minLength, segments);
    }