func (this *NumericVector) CopyFrom(src []float64) {
C.Rf_protect(this.expr)
defer C.Rf_unprotect(1)
for i := 0; i < this.length; i++ {
C.SetNumericVectorElt(this.expr, C.int(i), C.double(src[i]))
}
}
func (this *NumericVector) Set(i int, val float64) {
this.boundsCheck(i)
C.Rf_protect(this.expr)
defer C.Rf_unprotect(1)
C.SetNumericVectorElt(this.expr, C.int(i), C.double(val))
}