Closed FlorianLautenschlager closed 8 years ago
Implement signed difference aggregation.
For negative values
first = -1 last = -10 => diff = -9
For positive values
first = 1 last = 10 => diff = 9
Positive first, negative last
first = 1 last = -10 => diff = -11
Negative first, positive last
first = -1 last = 10 => diff = 11
Fixed with #23.
Implement signed difference aggregation.
For negative values
For positive values
Positive first, negative last
Negative first, positive last