intervals/inclusives.go
2018-05-29 16:08:17 +02:00

38 lines
806 B
Go

package interval
func (intvls *intervals) getInclusives(intervalLow, intervalHigh int) (int, int) {
low := intvls.getInclusiveLow(intervalLow)
high := intvls.getInclusiveHigh(intervalHigh)
if high < low {
high = low
}
if low > high {
low = high
}
return low, high
}
func (intvls *intervals) getInclusiveLow(value int) int {
if intvls.LowInclusive {
return value
}
// here the low is exclusive, we have to take the next value
newLow := value + 1
if newLow > intvls.MaxHigh {
return intvls.MaxHigh
}
return newLow
}
func (intvls *intervals) getInclusiveHigh(value int) int {
if intvls.HighInclusive {
return value
}
// here the high is exclusive, we have to take the previous value
newHigh := value - 1
if newHigh < intvls.MinLow {
return intvls.MinLow
}
return newHigh
}