Functions
Sub	Rfft1b (N As Long, R() As Double, Wsave() As Double, Info As Long, Optional Inc As Long=1)
	One-dimensional real fast Fourier backward transform

Sub	Rfft1f (N As Long, R() As Double, Wsave() As Double, Info As Long, Optional Inc As Long=1)
	One-dimensional real Fourier transforms

Sub	Rfft1i (N As Long, Wsave() As Double, Info As Long)
	Initialization of work data for Rfft1f and Rfft1b

Sub	Rfftmb (Lot As Long, Jump As Long, N As Long, R() As Double, Wsave() As Double, Info As Long, Optional Inc As Long=1)
	One-dimensional real Fourier backward transform (multiple sequences)

Sub	Rfftmf (Lot As Long, Jump As Long, N As Long, R() As Double, Wsave() As Double, Info As Long, Optional Inc As Long=1)
	One-dimensional real Fourier transform (multiple sequences)

Sub	Rfftmi (N As Long, Wsave() As Double, Info As Long)
	Initialization of work data for Rfftmf and Rfftmb

Detailed Description

This is the group of J1a1. One-dimensional real fast Fourier transforms.

Functions