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: c1f3kf.f,v 1.2 2004/06/15 21:08:32 rodney Exp $
12 !CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
14 SUBROUTINE C1F3KF (IDO,L1,NA,CC,IN1,CH,IN2,WA)
15 REAL CC(IN1,L1,IDO,3),CH(IN2,L1,3,IDO),WA(IDO,2,2)
16 DATA TAUR,TAUI /-.5,-.866025403784439/
18 IF (IDO .GT. 1) GO TO 102
20 IF (NA .EQ. 1) GO TO 106
22 TR2 = CC(1,K,1,2)+CC(1,K,1,3)
23 CR2 = CC(1,K,1,1)+TAUR*TR2
24 CC(1,K,1,1) = SN*(CC(1,K,1,1)+TR2)
25 TI2 = CC(2,K,1,2)+CC(2,K,1,3)
26 CI2 = CC(2,K,1,1)+TAUR*TI2
27 CC(2,K,1,1) = SN*(CC(2,K,1,1)+TI2)
28 CR3 = TAUI*(CC(1,K,1,2)-CC(1,K,1,3))
29 CI3 = TAUI*(CC(2,K,1,2)-CC(2,K,1,3))
30 CC(1,K,1,2) = SN*(CR2-CI3)
31 CC(1,K,1,3) = SN*(CR2+CI3)
32 CC(2,K,1,2) = SN*(CI2+CR3)
33 CC(2,K,1,3) = SN*(CI2-CR3)
37 TR2 = CC(1,K,1,2)+CC(1,K,1,3)
38 CR2 = CC(1,K,1,1)+TAUR*TR2
39 CH(1,K,1,1) = SN*(CC(1,K,1,1)+TR2)
40 TI2 = CC(2,K,1,2)+CC(2,K,1,3)
41 CI2 = CC(2,K,1,1)+TAUR*TI2
42 CH(2,K,1,1) = SN*(CC(2,K,1,1)+TI2)
43 CR3 = TAUI*(CC(1,K,1,2)-CC(1,K,1,3))
44 CI3 = TAUI*(CC(2,K,1,2)-CC(2,K,1,3))
45 CH(1,K,2,1) = SN*(CR2-CI3)
46 CH(1,K,3,1) = SN*(CR2+CI3)
47 CH(2,K,2,1) = SN*(CI2+CR3)
48 CH(2,K,3,1) = SN*(CI2-CR3)
52 TR2 = CC(1,K,1,2)+CC(1,K,1,3)
53 CR2 = CC(1,K,1,1)+TAUR*TR2
54 CH(1,K,1,1) = CC(1,K,1,1)+TR2
55 TI2 = CC(2,K,1,2)+CC(2,K,1,3)
56 CI2 = CC(2,K,1,1)+TAUR*TI2
57 CH(2,K,1,1) = CC(2,K,1,1)+TI2
58 CR3 = TAUI*(CC(1,K,1,2)-CC(1,K,1,3))
59 CI3 = TAUI*(CC(2,K,1,2)-CC(2,K,1,3))
67 TR2 = CC(1,K,I,2)+CC(1,K,I,3)
68 CR2 = CC(1,K,I,1)+TAUR*TR2
69 CH(1,K,1,I) = CC(1,K,I,1)+TR2
70 TI2 = CC(2,K,I,2)+CC(2,K,I,3)
71 CI2 = CC(2,K,I,1)+TAUR*TI2
72 CH(2,K,1,I) = CC(2,K,I,1)+TI2
73 CR3 = TAUI*(CC(1,K,I,2)-CC(1,K,I,3))
74 CI3 = TAUI*(CC(2,K,I,2)-CC(2,K,I,3))
79 CH(2,K,2,I) = WA(I,1,1)*DI2-WA(I,1,2)*DR2
80 CH(1,K,2,I) = WA(I,1,1)*DR2+WA(I,1,2)*DI2
81 CH(2,K,3,I) = WA(I,2,1)*DI3-WA(I,2,2)*DR3
82 CH(1,K,3,I) = WA(I,2,1)*DR3+WA(I,2,2)*DI3