func TestSpline(n int) {
var coefs *spline.CoefsType
coefs = nil
x := make([]float64, n)
y := make([]float64, n)
cind := -1
x[0] = 0.0
x[1] = 1.0
x[2] = 1.5
x[3] = 2.25
y[0] = 2.0
y[1] = 4.4366
y[2] = 6.7134
y[3] = 13.9130
coefs = spline.Points(x, y, coefs)
cind, _ = spline.Evaluate(0.66, x, cind, coefs)
cind, _ = spline.Evaluate(1.75, x, cind, coefs)
}
func ResampSpline(x, y, result []float64) []float64 {
// is there a way to keep this as global, re-usable data?
var coefs *spline.CoefsType = nil
coefs = spline.Points(x, y, coefs)
outCount := len(result)
fmt.Printf("ResampSpline outCount %d\n", outCount)
// current index
curind := -1
for i := 0; i < outCount; i++ {
curind, result[i] = spline.Evaluate(float64(i), x, curind, coefs)
}
return result
}