comparison: src/Utils.cpp
src/Utils.cpp
- changeset 281
- af3dac6ff6c3
- parent 219
- fa7cad488e27
- child 300
- 2a97905cb637
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| 280:efc213beb605 | 281:af3dac6ff6c3 |
|---|---|
| 49 */ | 49 */ |
| 50 double Utils::ebc_to_srm(double ebc) | 50 double Utils::ebc_to_srm(double ebc) |
| 51 { | 51 { |
| 52 double srm = -0.00000000000132303 * pow(ebc, 4) - 0.00000000291515 * pow(ebc, 3) + 0.00000818515 * pow(ebc, 2) + 0.372038 * ebc + 0.596351; | 52 double srm = -0.00000000000132303 * pow(ebc, 4) - 0.00000000291515 * pow(ebc, 3) + 0.00000818515 * pow(ebc, 2) + 0.372038 * ebc + 0.596351; |
| 53 if (ebc < 0 || srm < 0) | 53 if (ebc < 0 || srm < 0) |
| 54 qDebug() << "ebc_to_srm(" << ebc << ") =" << srm; | 54 return 0; |
| 55 return srm; | 55 return srm; |
| 56 } | 56 } |
| 57 | 57 |
| 58 | 58 |
| 59 double Utils::srm_to_ebc(double srm) | 59 double Utils::srm_to_ebc(double srm) |
| 60 { | 60 { |
| 61 double ebc = round( 0.000000000176506 * pow(srm, 4) + 0.000000154529 * pow(srm, 3) - 0.000159428 * pow(srm, 2) + 2.68837 * srm - 1.6004 ); | 61 double ebc = round( 0.000000000176506 * pow(srm, 4) + 0.000000154529 * pow(srm, 3) - 0.000159428 * pow(srm, 2) + 2.68837 * srm - 1.6004 ); |
| 62 if ((ebc < 0) || (srm < 0)) | 62 if ((ebc < 0) || (srm < 0)) |
| 63 qDebug() << "srm_to_ebc(" << srm << ") =" << ebc; | 63 return 0; |
| 64 return ebc; | 64 return ebc; |
| 65 } | 65 } |
| 66 | 66 |
| 67 | 67 |
| 68 QString Utils::hours_to_string(int hours) | 68 QString Utils::hours_to_string(int hours) |
