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allow 'zero y-range delta'

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This commit is contained in:
gengbing 2018-02-14 11:55:22 +08:00
parent 11e380634b
commit 56f0fb6630
4 changed files with 8 additions and 22 deletions
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6
chart.go
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@ -317,9 +317,6 @@ func (c Chart) checkRanges(xr, yr, yra Range) error {
if math.IsNaN(yDelta) {
return errors.New("nan y-range delta")
}
if yDelta == 0 {
return errors.New("zero y-range delta")
}
if c.hasSecondarySeries() {
yraDelta := yra.GetDelta()
@ -329,9 +326,6 @@ func (c Chart) checkRanges(xr, yr, yra Range) error {
if math.IsNaN(yraDelta) {
return errors.New("nan secondary y-range delta")
}
if yraDelta == 0 {
return errors.New("zero secondary y-range delta")
}
}
return nil