comparison: src/Utils.cpp
src/Utils.cpp
- changeset 350
- 37b3c690b02c
- parent 344
- 9ffac162000c
- child 356
- f60f5a1fece9
equal
deleted
inserted
replaced
| 349:f05aeee71a14 | 350:37b3c690b02c |
|---|---|
| 606 } | 606 } |
| 607 return 0; | 607 return 0; |
| 608 } | 608 } |
| 609 | 609 |
| 610 | 610 |
| 611 double Utils::Hardness(double calcium, double magnesium) | |
| 612 { | |
| 613 return ((calcium / 20) + (magnesium / 12.15)) * 50; | |
| 614 } | |
| 615 | |
| 616 | |
| 617 double Utils::RA_ppm(double total_alkalinity, double calcium, double magnesium) | |
| 618 { | |
| 619 double alkalinity = total_alkalinity * (1 + (2 * pow(10, -2.33))); | |
| 620 return (alkalinity - ((calcium * 0.7143) + (magnesium * 0.5879))); | |
| 621 } | |
| 622 | |
| 623 | |
| 611 double Utils::ResidualAlkalinity(double total_alkalinity, double calcium, double magnesium) | 624 double Utils::ResidualAlkalinity(double total_alkalinity, double calcium, double magnesium) |
| 612 { | 625 { |
| 613 return total_alkalinity - (calcium / 1.4 + magnesium / 1.7); | 626 return total_alkalinity - (calcium / 1.4 + magnesium / 1.7); |
| 614 } | 627 } |
| 615 | 628 |
