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git-svn-id: svn://db.shs.com.ru/libs@1 a8b55f48-bf90-11e4-a774-851b48703e85

mbricks/brick_statistic.cpp

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+#include "brick_statistic.h"
+
+
+bool BrickStatisticMinMaxI::tick_body(double time) {
+	if (inputs_count == 0) return true;
+	min = max = inputs[0];
+	for (int i = 1; i < inputs_count; ++i) {
+		if (min > inputs[i]) min = inputs[i];
+		if (max < inputs[i]) max = inputs[i];
+	}
+	outputs[Min] = min;
+	outputs[Max] = max;
+	return true;
+}
+
+
+bool BrickStatisticExpectation::tick_body(double time) {
+	t += time - pt;
+	pt = time;
+	i.setInputValue(0, inputs[0]);
+	i.tick(time);
+	if (t == 0.) outputs[0] = 0.;
+	else outputs[0] = i.output(0) / t;
+	return true;
+}
+
+
+bool BrickStatisticVariance::tick_body(double time) {
+	t += time - pt;
+	pt = time;
+	i0.setInputValue(0, inputs[0]);
+	i0.tick(time);
+	if (t == 0.) i1.setInputValue(0, 0.);
+	else i1.setInputValue(0, sqr(inputs[0] - i0.output(0) / t));
+	i1.tick(time);
+	if (t == 0.) outputs[0] = 0.;
+	else outputs[0] = i1.output(0) / t;
+	return true;
+}