Rename *ll* and *ul* to ll and ul in in-interval
[maxima.git] / share / fftpack5 / fortran / rfft1i.f
blobd09025ad20d5eca31dd07dcd615f181034149a57
1 CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
3 C FFTPACK 5.0
5 C Authors: Paul N. Swarztrauber and Richard A. Valent
7 C $Id$
9 CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
11 SUBROUTINE RFFT1I ( N, WSAVE, LENSAV, IER )
12 INTEGER N, LENSAV, IER
13 REAL WSAVE(LENSAV)
15 IER = 0
17 IF (LENSAV .LT. N + INT(LOG(REAL(N))/LOG(2.)) +4) THEN
18 IER = 2
19 CALL XERFFT ('RFFT1I ', 3)
20 ENDIF
22 IF (N .EQ. 1) RETURN
24 CALL RFFTI1 (N,WSAVE(1),WSAVE(N+1))
25 RETURN
26 END