| 1 | /* f2c.h file for GNU Fortran run-time library | 
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| 2 | Copyright (C) 1998 Free Software Foundation, Inc. | 
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| 3 | Contributed by James Craig Burley. | 
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| 4 |  | 
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| 5 | This file is part of GNU Fortran. | 
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| 6 |  | 
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| 7 | GNU Fortran is free software; you can redistribute it and/or modify | 
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| 8 | it under the terms of the GNU General Public License as published by | 
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| 9 | the Free Software Foundation; either version 2, or (at your option) | 
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| 10 | any later version. | 
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| 11 |  | 
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| 12 | GNU Fortran is distributed in the hope that it will be useful, | 
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| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | 
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| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
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| 15 | GNU General Public License for more details. | 
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| 16 |  | 
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| 17 | You should have received a copy of the GNU General Public License | 
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| 18 | along with GNU Fortran; see the file COPYING.  If not, write to | 
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| 19 | the Free Software Foundation, 59 Temple Place - Suite 330, | 
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| 20 | Boston, MA 02111-1307, USA.  */ | 
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| 21 |  | 
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| 22 | /* This file currently is just a stub through which g77's copy | 
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| 23 | of netlib's libf2c, which g77 builds and installs as libg2c.a | 
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| 24 | (to avoid conflict), #include's g77's version of f2c.h, named | 
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| 25 | g2c.h.  That file is, in turn, produced via g77's library | 
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| 26 | configuration process from g2c.h.in. | 
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| 27 |  | 
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| 28 | By going through this extra "hoop", it is easy to provide for | 
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| 29 | libg2c-specific configuration and typedefs that aren't appropriate | 
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| 30 | in g2c.h itself (since that is intended to be installed so it can | 
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| 31 | be shared with f2c users), without changing the libf2c (libg2c) | 
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| 32 | routines themselves.  (They continue to #include "f2c.h", just | 
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| 33 | like they do in netlib's version.)  */ | 
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| 34 |  | 
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| 35 | #include "g2c.h" | 
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| 36 |  | 
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| 37 | /* For GNU Fortran (g77), we always enable the following behaviors for | 
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| 38 | libf2c, to make things easy on the programmer.  The alternate | 
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| 39 | behaviors have their uses, and g77 might provide them as compiler, | 
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| 40 | rather than library, options, so only a single copy of a shared libf2c | 
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| 41 | need be built for a system.  */ | 
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| 42 |  | 
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| 43 | /* This makes unformatted I/O more consistent in relation to other | 
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| 44 | systems.  It is not required by the F77 standard.  */ | 
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| 45 |  | 
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| 46 | #define Pad_UDread | 
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| 47 |  | 
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| 48 | /* This makes ERR= and IOSTAT= returns work properly in disk-full | 
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| 49 | situations, making things work more as expected.  It slows things | 
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| 50 | down, so g77 will probably someday choose the original implementation | 
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| 51 | on a case-by-case basis when it can be shown to not be necessary | 
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| 52 | (e.g. no ERR= or IOSTAT=) or when it is given the appropriate | 
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| 53 | compile-time option or, perhaps, source-code directive. | 
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| 54 |  | 
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| 55 | (No longer defined, since it really slows down NFS access too much.)  */ | 
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| 56 |  | 
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| 57 | /* #define ALWAYS_FLUSH */ | 
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| 58 |  | 
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| 59 | /* Most Fortran implementations do this, so to make it easier | 
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| 60 | to compare the output of g77-compiled programs to those compiled | 
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| 61 | by most other compilers, tell libf2c to put leading zeros in | 
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| 62 | appropriate places on output.  */ | 
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| 63 |  | 
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| 64 | #define WANT_LEAD_0 | 
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