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f2py2e - Fortran to Python C/API generator. 2nd Edition.
|
See __usage__ below.
|
|
Copyright 1999--2011 Pearu Peterson all rights reserved,
|
Pearu Peterson <pearu@cens.ioc.ee>
|
Permission to use, modify, and distribute this software is given under the
|
terms of the NumPy License.
|
|
NO WARRANTY IS EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.
|
$Date: 2005/05/06 08:31:19 $
|
Pearu Peterson
|
|
é N)ÚPathé )Ú crackfortran)Úrules)Úcb_rules)Úauxfuncs)Úcfuncs)Ú f90mod_rules)Ú __version__)Ú capi_mapsa Usage:
|
|
1) To construct extension module sources:
|
|
f2py [<options>] <fortran files> [[[only:]||[skip:]] \
|
<fortran functions> ] \
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[: <fortran files> ...]
|
|
2) To compile fortran files and build extension modules:
|
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f2py -c [<options>, <build_flib options>, <extra options>] <fortran files>
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|
3) To generate signature files:
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f2py -h <filename.pyf> ...< same options as in (1) >
|
|
Description: This program generates a Python C/API file (<modulename>module.c)
|
that contains wrappers for given fortran functions so that they
|
can be called from Python. With the -c option the corresponding
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extension modules are built.
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|
Options:
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--2d-numpy Use numpy.f2py tool with NumPy support. [DEFAULT]
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--2d-numeric Use f2py2e tool with Numeric support.
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--2d-numarray Use f2py2e tool with Numarray support.
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--g3-numpy Use 3rd generation f2py from the separate f2py package.
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[NOT AVAILABLE YET]
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-h <filename> Write signatures of the fortran routines to file <filename>
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and exit. You can then edit <filename> and use it instead
|
of <fortran files>. If <filename>==stdout then the
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signatures are printed to stdout.
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<fortran functions> Names of fortran routines for which Python C/API
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functions will be generated. Default is all that are found
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in <fortran files>.
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<fortran files> Paths to fortran/signature files that will be scanned for
|
<fortran functions> in order to determine their signatures.
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skip: Ignore fortran functions that follow until `:'.
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only: Use only fortran functions that follow until `:'.
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: Get back to <fortran files> mode.
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-m <modulename> Name of the module; f2py generates a Python/C API
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file <modulename>module.c or extension module <modulename>.
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Default is 'untitled'.
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'-include<header>' Writes additional headers in the C wrapper, can be passed
|
multiple times, generates #include <header> each time.
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--[no-]lower Do [not] lower the cases in <fortran files>. By default,
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--lower is assumed with -h key, and --no-lower without -h key.
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--build-dir <dirname> All f2py generated files are created in <dirname>.
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Default is tempfile.mkdtemp().
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--overwrite-signature Overwrite existing signature file.
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--[no-]latex-doc Create (or not) <modulename>module.tex.
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Default is --no-latex-doc.
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--short-latex Create 'incomplete' LaTeX document (without commands
|
\documentclass, \tableofcontents, and \begin{document},
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\end{document}).
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--[no-]rest-doc Create (or not) <modulename>module.rst.
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Default is --no-rest-doc.
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--debug-capi Create C/API code that reports the state of the wrappers
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during runtime. Useful for debugging.
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--[no-]wrap-functions Create Fortran subroutine wrappers to Fortran 77
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functions. --wrap-functions is default because it ensures
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maximum portability/compiler independence.
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--include-paths <path1>:<path2>:... Search include files from the given
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directories.
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--help-link [..] List system resources found by system_info.py. See also
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--link-<resource> switch below. [..] is optional list
|
of resources names. E.g. try 'f2py --help-link lapack_opt'.
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--f2cmap <filename> Load Fortran-to-Python KIND specification from the given
|
file. Default: .f2py_f2cmap in current directory.
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--quiet Run quietly.
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--verbose Run with extra verbosity.
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--skip-empty-wrappers Only generate wrapper files when needed.
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-v Print f2py version ID and exit.
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numpy.distutils options (only effective with -c):
|
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--fcompiler= Specify Fortran compiler type by vendor
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--compiler= Specify C compiler type (as defined by distutils)
|
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--help-fcompiler List available Fortran compilers and exit
|
--f77exec= Specify the path to F77 compiler
|
--f90exec= Specify the path to F90 compiler
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--f77flags= Specify F77 compiler flags
|
--f90flags= Specify F90 compiler flags
|
--opt= Specify optimization flags
|
--arch= Specify architecture specific optimization flags
|
--noopt Compile without optimization
|
--noarch Compile without arch-dependent optimization
|
--debug Compile with debugging information
|
|
Extra options (only effective with -c):
|
|
--link-<resource> Link extension module with <resource> as defined
|
by numpy.distutils/system_info.py. E.g. to link
|
with optimized LAPACK libraries (vecLib on MacOSX,
|
ATLAS elsewhere), use --link-lapack_opt.
|
See also --help-link switch.
|
|
-L/path/to/lib/ -l<libname>
|
-D<define> -U<name>
|
-I/path/to/include/
|
<filename>.o <filename>.so <filename>.a
|
|
Using the following macros may be required with non-gcc Fortran
|
compilers:
|
-DPREPEND_FORTRAN -DNO_APPEND_FORTRAN -DUPPERCASE_FORTRAN
|
-DUNDERSCORE_G77
|
|
When using -DF2PY_REPORT_ATEXIT, a performance report of F2PY
|
interface is printed out at exit (platforms: Linux).
|
|
When using -DF2PY_REPORT_ON_ARRAY_COPY=<int>, a message is
|
sent to stderr whenever F2PY interface makes a copy of an
|
array. Integer <int> sets the threshold for array sizes when
|
a message should be shown.
|
|
Version: z
|
numpy Version: zñ
|
Requires: Python 3.5 or higher.
|
License: NumPy license (see LICENSE.txt in the NumPy source code)
|
Copyright 1999 - 2011 Pearu Peterson all rights reserved.
|
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You cannot build extension modules with this function, that is,
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Examples
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--------
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The command ``f2py -m scalar scalar.f`` can be executed from Python as
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.. literalinclude:: ../../source/f2py/code/results/run_main_session.dat
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