Last change
on this file since 2759 was
2759,
checked in by aslmd, 2 years ago
|
adding unmodified code from WRFV3.0.1.1, expurged from useless data +1M size
|
File size:
2.2 KB
|
Rev | Line | |
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[2759] | 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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