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Update float constant

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This commit is contained in:
Phat Nguyen
2024-08-26 20:47:48 +07:00
parent 6b65efd3d6
commit c52962d628
1 changed files with 2 additions and 2 deletions
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4
src/PMS/PMS.cpp
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@ -314,11 +314,11 @@ int PMSBase::compensated(int pm25, float humidity) {
if(pm25 < 30) { /** pm2.5 < 30 */
value = (fpm25 * 0.524f) - (humidity * 0.0862f) + 5.75f;
} else if(pm25 < 50) { /** 30 <= pm2.5 < 50 */
value = (0.786f * (fpm25 * 0.05f - 1.5f) + 0.524f * (1 - (fpm25 * 0.05f - 1.5f))) * fpm25 - (0.0862f * humidity) + 5.75f;
value = (0.786f * (fpm25 * 0.05f - 1.5f) + 0.524f * (1.0f - (fpm25 * 0.05f - 1.5f))) * fpm25 - (0.0862f * humidity) + 5.75f;
} else if(pm25 < 210) { /** 50 <= pm2.5 < 210 */
value = (0.786f * fpm25) - (0.0862f * humidity) + 5.75f;
} else if(pm25 < 260) { /** 210 <= pm2.5 < 260 */
value = (0.69f * (fpm25 * 0.02f - 4.2f) + 0.786f * (1 - (fpm25 * 0.02f - 4.2f))) * fpm25 - (0.0862f * humidity * (1 - (fpm25 * 0.02f - 4.2f))) + (2.966f * (fpm25 * 0.02f - 4.2f)) + (5.75f * (1 - (fpm25 * 0.02f - 4.2f))) + (8.84f * (1.e-4) * fpm25 * fpm25 * (fpm25 * 0.02f - 4.2f));
value = (0.69f * (fpm25 * 0.02f - 4.2f) + 0.786f * (1.0f - (fpm25 * 0.02f - 4.2f))) * fpm25 - (0.0862f * humidity * (1.0f - (fpm25 * 0.02f - 4.2f))) + (2.966f * (fpm25 * 0.02f - 4.2f)) + (5.75f * (1.0f - (fpm25 * 0.02f - 4.2f))) + (8.84f * (1.e-4) * fpm25 * fpm25 * (fpm25 * 0.02f - 4.2f));
} else { /** 260 <= pm2.5 */
value = 2.966f + (0.69f * fpm25) + (8.84f * (1.e-4) * fpm25 * fpm25);
}