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CFITSIO Interface Library
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CFITSIO is a library of ANSI C routines for reading and writing FITS
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format data files. A set of Fortran-callable wrapper routines are also
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included for the convenience of Fortran programmers. This README file
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gives a brief summary of how to build and test CFITSIO, but the CFITSIO
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User's Guide, found in the files cfitsio.doc (plain text), cfitsio.tex
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(LaTeX source file), or cfitsio.ps (postscript format), should be
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referenced for the latest and most complete information.
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The CFITSIO code is contained in about 40 *.c source files and several *.h
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header files. The CFITSIO library is built on Unix systems by typing:
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at the operating system prompt. The 'configure' command customizes
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the Makefile for your particular system, then the 'make' command
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On VAX/VMS and ALPHA/VMS systems the make.com command file may be used
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to build the cfitsio.olb object library using the default G-floating
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point option for double variables. The make\_dfloat.com and make\_ieee.com
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files may be used instead to build the library with the other floating
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A precompiled DLL version of CFITSIO is available for IBM-PC users of
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the Borland or Microsoft Visual C++ compilers in the files
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cfitsiodll_2xxx_borland.zip and cfitsiodll_2xxx_vcc.zip, where '2xxx'
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represents the current release number. These zip archives also
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contains other files and instructions on how to use the CFITSIO DLL
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library. The CFITSIO library may also be built from the source code
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using the makefile.bc or makefile.vcc files. Finally, the makepc.bat
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file gives an example of building CFITSIO with the Borland C++ v4.5
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compiler using simpler DOS commands.
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On OS/2 systems, CFITSIO can be built using the supplied makefile by
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typing 'make -f makefile.os2'. This makefile requires the GCC compiler
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and EMX library, which are available from many Internet sites
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containing OS/2 software, such as
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ftp-os2.nmsu.edu/pub/os2/dev/emx/v0.9c and
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ftp.leo.org/pub/comp/os/os2/leo/devtools/emx+gcc.
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When building on Mac OS-X, users should follow the Unix instructions,
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above. Previous MacOS versions of the cfitsio library can be built by
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(1) un binhex and unstuff cfitsio_mac.sit.hqx, (2) put CFitsioPPC.mcp
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in the cfitsio directory, and (3) load CFitsioPPC.mcp into CodeWarrior
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Pro 5 and make. This builds the cfitsio library for PPC. There are
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also targets for both the test program and the speed test program.
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To use the MacOS port you can add Cfitsio PPC.lib to your Codewarrior
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Pro 5 project. Note that this only has been tested for the PPC and
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The CFITSIO library should be tested by building and running
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the testprog.c program that is included with the release.
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On Unix systems, type:
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% testprog > testprog.lis
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% diff testprog.lis testprog.out
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% cmp testprog.fit testprog.std
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(assuming cc is the name of the C compiler command), type:
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$ link testprog, cfitsio/lib
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The testprog program should produce a FITS file called `testprog.fit'
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that is identical to the testprog.std FITS file included in this
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release. The diagnostic messages (which were piped to the file
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testprog.lis in the Unix example) should be identical to the listing
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contained in the file testprog.out. The 'diff' and 'cmp' commands
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shown above should not report any differences in the files.
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The CFITSIO User's Guide, contained in the files cfitsio.doc (plain
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text file) and cfitsio.ps (postscript file), provides detailed
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documentation about how to build and use the CFITSIO library.
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It contains a description of every user-callable routine in the
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The cookbook.c file provides some sample routines for performing common
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operations on various types of FITS files. Programmers are urged to
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examine these routines for recommended programming practices when using
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CFITSIO. Users are free to copy or modify these routines for their own
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CFITSIO has currently been tested on the following platforms:
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Operating System Compiler
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---------------- --------
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OPERATING SYSTEM COMPILER
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Sun OS gcc and cc (3.0.1)
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Sun Solaris gcc and cc
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Silicon Graphics IRIX gcc and cc
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Silicon Graphics IRIX64 MIPS
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Dec Alpha OSF/1 gcc and cc
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DECstation Ultrix gcc
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DEC VAX/VMS gcc and cc
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Windows 95/98/NT Borland C++ V4.5
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Windows 95/98/NT Microsoft/Compaq Visual C++ v5.0, v6.0
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Windows 95/98/NT Cygwin gcc
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MacOS 7.1 or greater Metrowerks 10.+
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MacOS-X 10.1 or greater cc (gcc)
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CFITSIO will probably run on most other Unix platforms without
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modification. Cray supercomputers and IBM mainframe computers are
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currently not supported.
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Reports of any success or failure to run CFITSIO on other platforms
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would be appreciated. Any problem reports or suggestions for
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improvements are also welcome and should be sent to the primary author.
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-------------------------------------------------------------------------
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pence@tetra.gsfc.nasa.gov
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README
