Arbitrary precision calculator for Go

main.go

package main

import (
	"fmt"
	"github.com/cosmos72/gomacro/fast"
)

func RunGomacro(toeval string) float64 {
	interp := fast.New()
	vals, _ := interp.Eval(toeval)
	// for simplicity, only use the first returned value
	return vals[0].Float()
}
func main() {
	fmt.Println(RunGomacro(".1+.2"))
// go run main.go
// 0.3
}