comparison: src/Utils.cpp
src/Utils.cpp
- changeset 20
- fcbbddcc22c1
- child 29
- 76846c99f827
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| 19:c94edc758a5b | 20:fcbbddcc22c1 |
|---|---|
| 1 /** | |
| 2 * Utils.cpp is part of bmsapp. | |
| 3 * | |
| 4 * bmsapp is free software: you can redistribute it and/or modify | |
| 5 * it under the terms of the GNU General Public License as published by | |
| 6 * the Free Software Foundation, either version 3 of the License, or | |
| 7 * (at your option) any later version. | |
| 8 * | |
| 9 * bmsapp is distributed in the hope that it will be useful, | |
| 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 * GNU General Public License for more details. | |
| 13 * | |
| 14 * You should have received a copy of the GNU General Public License | |
| 15 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 16 */ | |
| 17 #include "Utils.h" | |
| 18 | |
| 19 #include <math.h> | |
| 20 | |
| 21 double Utils::Round(double n, int d) | |
| 22 { | |
| 23 int m; | |
| 24 | |
| 25 for (int i = 0, m = 1; i < d; i++, m *= 10); | |
| 26 return round(n * m) / m; | |
| 27 } | |
| 28 | |
| 29 | |
| 30 double Utils::lintner_to_kolbach(double lintner) | |
| 31 { | |
| 32 double wk = (3.5 * lintner) - 16; | |
| 33 if (wk < 0) | |
| 34 return 0.0; | |
| 35 return wk; | |
| 36 } | |
| 37 | |
| 38 | |
| 39 double Utils::kolbach_to_lintner(double kolbach) | |
| 40 { | |
| 41 return Round((kolbach + 16) / 3.5, 3); | |
| 42 } | |
| 43 |
