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andyxning/NaN_Inf_Near_zero_MarshalJSON.go

Created December 15, 2015 08:55
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NaN, Inf and Near zero value MarshalJSON
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NaN_Inf_Near_zero_MarshalJSON.go
type JsonSpecial float64
func (value JsonSpecial) MarshalJSON() ([]byte, error) {
// Handle NaN, Inf and near-zero values marshalling
if math.IsNaN(float64(value)) || math.IsInf(fload64(value), 0) {
return json.Marshal(nil)
} else if math.Exp(float64(value)) == 1 {
return json.Marshal(0)
}
return json.Marshal(float64(value))
}
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