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Divisions have been replaced by multiplications.

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J.M. Dana 2015-10-03 13:42:09 +01:00
parent 36fb16274b
commit 51a8b814ac
1 changed files with 2 additions and 2 deletions
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DHT.cpp
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@ -109,10 +109,10 @@ float DHT::computeHeatIndex(float temperature, float percentHumidity, bool isFah
-0.00000199 * pow(temperature, 2) * pow(percentHumidity, 2); -0.00000199 * pow(temperature, 2) * pow(percentHumidity, 2);
if((percentHumidity < 13) && (temperature >= 80.0) && (temperature <= 112.0)) if((percentHumidity < 13) && (temperature >= 80.0) && (temperature <= 112.0))
hi -= ((13.0 - percentHumidity) / 4.0) * sqrt((17.0 - abs(temperature - 95.0))/17.0); hi -= ((13.0 - percentHumidity) * 0.25) * sqrt((17.0 - abs(temperature - 95.0)) * 0.05882);
else if((percentHumidity > 85.0) && (temperature >= 80.0) && (temperature <= 87.0)) else if((percentHumidity > 85.0) && (temperature >= 80.0) && (temperature <= 87.0))
hi += ((percentHumidity - 85.0) / 10.0) * ((87.0 - temperature)/5.0); hi += ((percentHumidity - 85.0) * 0.1) * ((87.0 - temperature) * 0.2);
} }
return isFahrenheit ? hi : convertFtoC(hi); return isFahrenheit ? hi : convertFtoC(hi);