Last change
on this file was
2759,
checked in by aslmd, 2 years ago
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adding unmodified code from WRFV3.0.1.1, expurged from useless data +1M size
|
File size:
2.2 KB
|
Line | |
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1 | !CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC |
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2 | ! |
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3 | ! FFTPACK 5.0 |
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4 | ! Copyright (C) 1995-2004, Scientific Computing Division, |
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5 | ! University Corporation for Atmospheric Research |
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6 | ! Licensed under the GNU General Public License (GPL) |
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7 | ! |
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8 | ! Authors: Paul N. Swarztrauber and Richard A. Valent |
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9 | ! |
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10 | ! $Id: cfft2i.f,v 1.2 2004/06/15 21:08:32 rodney Exp $ |
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11 | ! |
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12 | !CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC |
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13 | |
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14 | SUBROUTINE CFFT2I (L, M, WSAVE, LENSAV, IER) |
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15 | INTEGER L, M, IER |
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16 | REAL WSAVE(LENSAV) |
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17 | ! |
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18 | ! Initialize error return |
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19 | ! |
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20 | IER = 0 |
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21 | ! |
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22 | IF (LENSAV .LT. 2*L + INT(LOG(REAL(L))) + & |
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23 | & 2*M + INT(LOG(REAL(M))) +8) THEN |
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24 | IER = 2 |
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25 | CALL XERFFT ('CFFT2I', 4) |
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26 | GO TO 100 |
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27 | ENDIF |
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28 | ! |
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29 | CALL CFFTMI (L, WSAVE(1), 2*L + INT(LOG(REAL(L))) + 4, IER1) |
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30 | IF (IER1 .NE. 0) THEN |
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31 | IER = 20 |
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32 | CALL XERFFT ('CFFT2I',-5) |
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33 | GO TO 100 |
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34 | ENDIF |
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35 | CALL CFFTMI (M, WSAVE(2*L+INT(LOG(REAL(L))*LOG(2.)) + 3), & |
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36 | & 2*M + INT(LOG(REAL(M))) + 4, IER1) |
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37 | IF (IER1 .NE. 0) THEN |
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38 | IER = 20 |
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39 | CALL XERFFT ('CFFT2I',-5) |
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40 | ENDIF |
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41 | ! |
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42 | 100 CONTINUE |
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43 | RETURN |
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44 | END |
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