go-dsp is a digital signal processing package for the Go programming language.
$ go get github.com/mjibson/go-dsp/fft
package main
import (
"fmt"
"github.com/mjibson/go-dsp/fft"
)
func main() {
fmt.Println(fft.FFTReal([]float64 {1, 2, 3}))
}