@@ -449,37 +449,37 @@ float Adafruit_BME280::readAltitude(float seaLevel) {
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/* !
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* Computes Heat Index based on https://byjus.com/heat-index-formula/
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- *
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- * @param isCelcius - if true return Heat Index in degrees celcius else return in Farenheit
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+ * @param isCelcius - if true return Heat Index in degrees celcius else return
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+ * in Farenheit
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*/
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float Adafruit_BME280::readHeatIndex (bool isCelcius){
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float tempF = readTemperature () * 1.8 + 32 ;
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float humidity = readHumidity ();
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float hi = 0.5 * (tempF + 61.0 + ((tempF - 68.0 ) * 1.2 ) + (humidity * 0.094 ));
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- if (hi > 79 ) {
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- hi = -42.379 + 2.04901523 * tempF + 10.14333127 * humidity +
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- -0.22475541 * tempF * humidity +
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- -0.00683783 * pow (tempF, 2 ) +
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- -0.05481717 * pow (humidity, 2 ) +
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- 0.00122874 * pow (tempF, 2 ) * humidity +
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- 0.00085282 * tempF * pow (humidity, 2 ) +
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- -0.00000199 * pow (tempF, 2 ) * pow (humidity, 2 );
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-
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- if ((humidity < 13 ) && (tempF >= 80.0 ) &&
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- (tempF <= 112.0 ))
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- hi -= ((13.0 - humidity) * 0.25 ) *
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- sqrt ((17.0 - abs (tempF - 95.0 )) * 0.05882 );
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-
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- else if ((humidity > 85.0 ) && (tempF >= 80.0 ) &&
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- (tempF <= 87.0 ))
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- hi += ((humidity - 85.0 ) * 0.1 ) * ((87.0 - tempF) * 0.2 );
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- }
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+ if (hi > 79 ) {
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+ hi = -42.379 + 2.04901523 * tempF + 10.14333127 * humidity +
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+ -0.22475541 * tempF * humidity + -0.00683783 * pow (tempF, 2 ) +
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+ -0.05481717 * pow (humidity, 2 ) +
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+ 0.00122874 * pow (tempF, 2 ) * humidity +
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+ 0.00085282 * tempF * pow (humidity, 2 ) +
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+ -0.00000199 * pow (tempF, 2 ) * pow (humidity, 2 );
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+
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+
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+ if ((humidity < 13 ) && (tempF >= 80.0 ) && (tempF <= 112.0 ))
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+ hi -= ((13.0 - humidity) * 0.25 ) *
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+ sqrt ((17.0 - abs (tempF - 95.0 )) * 0.05882 );
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+
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+ else if ((humidity > 85.0 ) && (tempF >= 80.0 ) && (tempF <= 87.0 ))
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+ hi += ((humidity - 85.0 ) * 0.1 ) * ((87.0 - tempF) * 0.2 );
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- if (isCelcius) return (hi - 32 ) * 0.5556 ; // convert back to celcius
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- else return hi;
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+ }
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- }
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+ if (isCelcius)
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+ return (hi - 32 ) * 0.5556 ; // convert back to celcius
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+ else
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+ return hi;
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+ }
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/* !
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* Calculates the pressure at sea level (in hPa) from the specified
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