1 !CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
4 ! Copyright (C) 1995-2004, Scientific Computing Division,
5 ! University Corporation for Atmospheric Research
6 ! Licensed under the GNU General Public License (GPL)
8 ! Authors: Paul N. Swarztrauber and Richard A. Valent
10 ! $Id: cfft1b.f,v 1.2 2004/06/15 21:08:32 rodney Exp $
12 !CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
14 SUBROUTINE CFFT1B (N, INC, C, LENC, WSAVE, LENSAV, &
16 INTEGER N, INC, LENC, LENSAV, LENWRK, IER
18 REAL WSAVE(LENSAV) ,WORK(LENWRK)
22 IF (LENC .LT. INC*(N-1) + 1) THEN
24 CALL XERFFT ('CFFT1B ', 6)
25 ELSEIF (LENSAV .LT. 2*N + INT(LOG(REAL(N))) + 4) THEN
27 CALL XERFFT ('CFFT1B ', 8)
28 ELSEIF (LENWRK .LT. 2*N) THEN
30 CALL XERFFT ('CFFT1B ', 10)
36 CALL C1FM1B (N,INC,C,WORK,WSAVE,WSAVE(IW1), &