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#! /usr/bin/perl
# Constructs the CXSparse package from CSparse, adding four different sets of
# functions (int/cs_long_t, and double/complex). Backward compatible
# with CSparse. No MATLAB interface is provided for CXSparse, however.
#
# To create CXSparse from CSparse, the ./CXSparse directory should not (yet)
# exist. Use the following commands, where CSparse is the CSparse directory:
#
# ./CSparse_to_CXSparse CSparse CXSparse CXSparse_newfiles.tar.gz
# cd CXSparse/Demo
# make > cs_demo.out
#
# Alternatively, use "make cx" in the SuiteSparse directory.
#
# Created by David Bateman, Feb. 2006, David dot Bateman atsign motorola dot
# com, and released by him to Tim Davis' copyright. Modified by Tim Davis,
# 2006-2012, http://www.suitesparse.com.
use strict;
use Cwd;
use File::Find;
use File::Basename;
use Text::Wrap;
use FileHandle;
use IPC::Open3;
my $in_dir = @ARGV[0];
my $out_dir = @ARGV[1];
my $tar_file = @ARGV[2];
#-------------------------------------------------------------------------------
# copy all files from CSparse to CXSparse
#-------------------------------------------------------------------------------
system ("cp -pr $in_dir $out_dir") ;
#-------------------------------------------------------------------------------
# Add the new files from the tar file given by the third argument
#-------------------------------------------------------------------------------
my $old_pwd = cwd();
chdir($out_dir);
system ("tar xpBvzf $old_pwd/$tar_file");
chdir($old_pwd);
#-------------------------------------------------------------------------------
# Convert Demo/* files
#-------------------------------------------------------------------------------
# convert demo *.[ch] files into the four different versions (di, dl, ci, cl)
my @demo_files = ('demo1.c', 'demo2.c', 'demo3.c', 'demo.c', 'demo.h') ;
foreach my $fff ( @demo_files )
{
my $infile = sprintf ("%s/Demo/cs_%s", $in_dir, $fff) ;
# create the plain version
my $outfile = sprintf ("%s/Demo/cs_%s", $out_dir, $fff) ;
printf ("%s to %s\n", $infile, $outfile) ;
if (open (OUT, ">$outfile"))
{
if (open (IN, $infile))
{
while (<IN>)
{
# change csi to int
s/\bcsi\b/int/g;
print OUT $_;
}
close (IN);
}
close (OUT);
}
# create di version
my $outfile = sprintf ("%s/Demo/cs_di_%s", $out_dir, $fff) ;
printf ("%s to %s\n", $infile, $outfile) ;
if (open (OUT, ">$outfile"))
{
if (open (IN, $infile))
{
while (<IN>)
{
# change csi to int
s/\bcsi\b/int/g;
# change all "cs*" names to "cs_di*", except #include "cs.h"
s/\bcs/cs_di/g ;
s/cs_di\.h/cs.h/ ;
print OUT $_;
}
close (IN);
}
close (OUT);
}
# create dl version
my $outfile = sprintf ("%s/Demo/cs_dl_%s", $out_dir, $fff) ;
printf ("%s to %s\n", $infile, $outfile) ;
if (open (OUT, ">$outfile"))
{
if (open (IN, $infile))
{
while (<IN>)
{
# change csi to cs_long_t
s/\bcsi\b/cs_long_t/g;
# change all "cs*" names to "cs_dl*", except #include "cs.h"
s/\bcs/cs_dl/g ;
s/cs_dl_long_t/cs_long_t/g;
s/cs_dl\.h/cs.h/ ;
print OUT $_;
}
close (IN);
}
close (OUT);
}
# create ci version
my $outfile = sprintf ("%s/Demo/cs_ci_%s", $out_dir, $fff) ;
printf ("%s to %s\n", $infile, $outfile) ;
if (open (OUT, ">$outfile"))
{
if (open (IN, $infile))
{
while (<IN>)
{
# change csi to int
s/\bcsi\b/int/g;
# change all "cs*" names to "cs_ci*", except #include "cs.h"
s/\bcs/cs_ci/g ;
s/cs_ci_long_t/cs_long_t/g;
s/cs_ci\.h/cs.h/ ;
# fabs becomes cabs
s/fabs/cabs/g;
# change double to cs_complex_t
s/\bdouble\b/cs_complex_t/g;
# (double) typecasts stay double
s/\(cs_complex_t\) /(double) /g;
# tic, toc, tol, and norm are double, not cs_complex_t
s/cs_complex_t norm/double norm/;
s/cs_complex_t tic/double tic/;
s/cs_complex_t toc \(cs_complex_t/double toc (double/;
s/cs_complex_t s = tic/double s = tic/;
s/cs_complex_t tol/double tol/;
# cumsum, S->lnz, S->unz are double
s/cs_complex_t lnz/double lnz/;
s/cs_complex_t unz/double unz/;
s/cs_complex_t cs_cumsum/double cs_cumsum/;
# local variable declarations that stay double
s/, / ;\n double / ;
print OUT $_;
}
close (IN);
}
close (OUT);
}
# create cl version
my $outfile = sprintf ("%s/Demo/cs_cl_%s", $out_dir, $fff) ;
printf ("%s to %s\n", $infile, $outfile) ;
if (open (OUT, ">$outfile"))
{
if (open (IN, $infile))
{
while (<IN>)
{
# change csi to cs_long_t
s/\bcsi\b/cs_long_t/g;
# change all "cs*" names to "cs_cl*", except #include "cs.h"
s/\bcs/cs_cl/g ;
s/cs_cl_long_t/cs_long_t/g;
s/cs_cl\.h/cs.h/ ;
# fabs becomes cabs
s/fabs/cabs/g;
# change double to cs_complex_t
s/\bdouble\b/cs_complex_t/g;
# (double) typecasts stay double
s/\(cs_complex_t\) /(double) /g;
# tic, toc, tol, and norm are double, not cs_complex_t
s/cs_complex_t norm/double norm/;
s/cs_complex_t tic/double tic/;
s/cs_complex_t toc \(cs_complex_t/double toc (double/;
s/cs_complex_t s = tic/double s = tic/;
s/cs_complex_t tol/double tol/;
# cumsum, S->lnz, S->unz are double
s/cs_complex_t lnz/double lnz/;
s/cs_complex_t unz/double unz/;
s/cs_complex_t cs_cumsum/double cs_cumsum/;
# local variable declarations that stay double
s/, / ;\n double / ;
print OUT $_;
}
close (IN);
}
close (OUT);
}
}
#-------------------------------------------------------------------------------
# Convert Source/*.c files (except cs_house.c, cs_print.c, and cs_load.c)
#-------------------------------------------------------------------------------
# note that cs.h, cs_house.c, cs_updown.c, ...
# are not included in this list
my @src_files = ('Source/cs_add.c', 'Source/cs_amd.c', 'Source/cs_chol.c',
'Source/cs_cholsol.c', 'Source/cs_counts.c', 'Source/cs_cumsum.c',
'Source/cs_dfs.c', 'Source/cs_dmperm.c', 'Source/cs_droptol.c',
'Source/cs_dropzeros.c', 'Source/cs_dupl.c', 'Source/cs_entry.c',
'Source/cs_etree.c', 'Source/cs_fkeep.c', 'Source/cs_gaxpy.c',
'Source/cs_happly.c', 'Source/cs_ipvec.c',
'Source/cs_lsolve.c', 'Source/cs_ltsolve.c', 'Source/cs_lu.c',
'Source/cs_lusol.c', 'Source/cs_malloc.c', 'Source/cs_maxtrans.c',
'Source/cs_multiply.c', 'Source/cs_norm.c', 'Source/cs_permute.c',
'Source/cs_pinv.c', 'Source/cs_post.c',
'Source/cs_pvec.c', 'Source/cs_qr.c', 'Source/cs_qrsol.c',
'Source/cs_scatter.c', 'Source/cs_scc.c', 'Source/cs_schol.c',
'Source/cs_sqr.c', 'Source/cs_symperm.c', 'Source/cs_tdfs.c',
'Source/cs_transpose.c', 'Source/cs_compress.c',
'Source/cs_usolve.c', 'Source/cs_util.c', 'Source/cs_utsolve.c',
'Source/cs_reach.c', 'Source/cs_spsolve.c', 'Source/cs_leaf.c',
'Source/cs_ereach.c', 'Source/cs_randperm.c' ) ;
foreach my $file ( @src_files )
{
my $infile = sprintf ("%s/%s", $in_dir, $file) ;
my $outfile = sprintf ("%s/%s", $out_dir, $file) ;
my $fbase = basename($file,('.c'));
if (open(OUT,">$outfile"))
{
if (open(IN,$infile))
{
# my $qrsol_beta_seen = 0;
while (<IN>)
{
# change the name of the package (for cs_print.c)
s/CSparse/CXSparse/g;
# fabs becomes CS_ABS
s/fabs/CS_ABS/g;
# change csi to CS_INT
s/\bcsi\b/CS_INT/g;
# change double to CS_ENTRY
s/\bdouble\b/CS_ENTRY/g;
# (double) and (double *) typecasts stay double,
# tol and vnz for cs_vcount stays double
s/\(CS_ENTRY\) /(double) /g;
s/\(CS_ENTRY \*\) /(double \*) /;
s/CS_ENTRY tol/double tol/;
s/CS_ENTRY \*vnz/double \*vnz/;
# local variable declarations that stay double
s/, / ;\n double / ;
#---------------------------------------------------------------
# Special cases. Some undo changes made above.
#---------------------------------------------------------------
# cs_mex.c
if ($fbase =~ /cs_mex/)
{
s/matrix must be CS_ENTRY/matrix must be double/;
s/A->p =/A->p = (CS_INT *)/;
s/A->i =/A->i = (CS_INT *)/;
s/, A->p/, (mwIndex *) A->p/;
s/, A->i/, (mwIndex *) A->i/;
}
# fix comments in cs_add_mex.c and cs_permute_mex.c
if ($fbase =~ /cs_add_mex/ || $fbase =~ /cs_permute_mex/)
{
s/via CS_ENTRY transpose/via double transpose/;
}
# cs_chol
if ($fbase =~ /cs_chol/)
{
s/\(d <= 0\)/(CS_REAL (d) <= 0 || CS_IMAG (d) != 0)\n\t /;
s/lki \* lki/lki * CS_CONJ (lki)/;
s/ = lki/ = CS_CONJ (lki)/;
}
# cs_norm
if ($fbase =~ /cs_norm/)
{
s/^CS_ENTRY cs_norm/double cs_norm/;
}
# cs_cumsum
if ($fbase =~ /cs_cumsum/)
{
s/CS_ENTRY/double/;
}
# cs_transpose
if ($fbase =~ /cs_transpose/)
{
s/Ax \[p\]/(values > 0) ? CS_CONJ (Ax [p]) : Ax [p]/;
}
# cs_symperm
if ($fbase =~ /cs_symperm/)
{
s/Ax \[p\]/(i2 <= j2) ? Ax [p] : CS_CONJ (Ax [p])/;
}
# cs_qr
if ($fbase =~ /cs_qr/)
{
s/n, sizeof \(CS_ENTRY\)/n, sizeof (double)/;
}
# cs_happly
if ($fbase =~ /cs_happly/)
{
s/^(.*tau.*)(Vx\s*\[p\])/$1CS_CONJ ($2)/;
s/CS_ENTRY beta/double beta/;
}
# cs_ltsolve
if ($fbase =~ /cs_ltsolve/)
{
s/(Lx \[.*?\])(\s+[\*;])/CS_CONJ ($1)$2/;
}
# cs_utsolve
if ($fbase =~ /cs_utsolve/)
{
s/(Ux \[.*?\])(\s+[\*;])/CS_CONJ ($1)$2/;
}
print OUT $_;
}
close (IN);
}
close (OUT);
}
}
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