func roundFloat64(x constant.Value) constant.Value {
f, _ := constant.Float64Val(x)
if !math.IsInf(f, 0) {
return constant.MakeFloat64(f)
}
return nil
}
func fitsFloat64(x constant.Value) bool {
f, _ := constant.Float64Val(x)
return !math.IsInf(f, 0)
}