dzfftf Interface
interface
public pure subroutine dzfftf(n, r, azero, a, b, wsave)
Arguments
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| integer, | intent(in) | :: | n | |||
| real(kind=rk), | intent(in) | :: | r(*) | |||
| real(kind=rk), | intent(out) | :: | azero | |||
| real(kind=rk), | intent(out) | :: | a(*) | |||
| real(kind=rk), | intent(out) | :: | b(*) | |||
| real(kind=rk), | intent(in) | :: | wsave(*) |
Description
Simplified forward transform of a real periodic sequence. (Specification)