Method ToNumber

calc.go:319–336

ToNumber returns a formula argument with number data type.

()

// ToNumber returns a formula argument with number data type.
func (fa formulaArg) ToNumber() formulaArg {
	var n float64
	var err error
	switch fa.Type {
	case ArgString:
		n, err = strconv.ParseFloat(fa.String, 64)
		if err != nil {
			return newErrorFormulaArg(formulaErrorVALUE, err.Error())
		}
	case ArgNumber:
		n = fa.Number
	case ArgMatrix:
		if args := fa.ToList(); len(args) > 0 {
			return args[0].ToNumber()
		}
	}
	return newNumberFormulaArg(n)
}

// ToBool returns a formula argument with boolean data type.
func (fa formulaArg) ToBool() formulaArg {