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https://github.com/RobTillaart/Arduino.git
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65 lines
1.5 KiB
C++
65 lines
1.5 KiB
C++
//
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// FILE: TimingTest.ino
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// AUTHOR: Rob Tillaart
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// PURPOSE: measure time difference for runtime stddev toggle.
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// add is 1024 milliseconds faster for 10K adds ==> ~ 100uSec per add faster.
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#include "Statistic.h"
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Statistic myStats;
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uint32_t start;
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uint32_t stop;
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bool useStdDev = true;
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void setup(void)
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{
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Serial.begin(115200);
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Serial.println(__FILE__);
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Serial.print("Demo Statistics lib ");
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Serial.println(STATISTIC_LIB_VERSION);
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myStats.clear(useStdDev);
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start = millis();
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}
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void loop(void)
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{
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long rn = random(0, 9999);
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myStats.add(rn / 100.0 + 1);
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if (myStats.count() == 10000)
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{
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stop = millis();
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Serial.print(" Count: ");
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Serial.println(myStats.count());
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Serial.print(" Min: ");
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Serial.println(myStats.minimum(), 4);
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Serial.print(" Max: ");
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Serial.println(myStats.maximum(), 4);
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Serial.print(" Average: ");
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Serial.println(myStats.average(), 4);
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if (useStdDev)
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{
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Serial.print(" variance: ");
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Serial.println(myStats.variance(), 4);
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Serial.print(" pop stdev: ");
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Serial.println(myStats.pop_stdev(), 4);
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Serial.print(" unbias stdev: ");
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Serial.println(myStats.unbiased_stdev(), 4);
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}
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Serial.print(" time(ms): ");
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Serial.println(stop - start);
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Serial.println("=====================================");
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useStdDev = !useStdDev;
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myStats.clear(useStdDev);
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start = millis();
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}
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}
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// -- END OF FILE --
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