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authorsimulation <simulation@nlo-ext3.ioq.uni-jena.de>2016-02-09 09:54:46 +0100
committersimulation <simulation@nlo-ext3.ioq.uni-jena.de>2016-02-09 09:54:46 +0100
commit6be0f285adb27f60f058c2937a7885899e17cb88 (patch)
treebe50a15314fe28c5b7b8f721233a34e71ca5b3b4 /fresnel
downloadlpic-master.tar.xz
Initial commitHEADmaster
Diffstat (limited to 'fresnel')
-rw-r--r--fresnel/.deps/error.Po334
-rw-r--r--fresnel/.deps/main.Po368
-rw-r--r--fresnel/.deps/parameter.Po361
-rw-r--r--fresnel/.deps/propagate.Po365
-rw-r--r--fresnel/.deps/uhr.Po363
-rw-r--r--fresnel/.deps/utilities.Po331
-rw-r--r--fresnel/Makefile.am23
-rw-r--r--fresnel/Makefile.in436
-rw-r--r--fresnel/README28
-rw-r--r--fresnel/common.h57
-rw-r--r--fresnel/error.C187
-rw-r--r--fresnel/error.h70
-rwxr-xr-xfresnel/fresnelbin0 -> 329120 bytes
-rw-r--r--fresnel/main.C42
-rw-r--r--fresnel/main.h34
-rw-r--r--fresnel/parameter.C160
-rw-r--r--fresnel/parameter.h86
-rw-r--r--fresnel/propagate.C228
-rw-r--r--fresnel/propagate.h59
-rw-r--r--fresnel/uhr.C105
-rw-r--r--fresnel/uhr.h52
-rw-r--r--fresnel/utilities.C162
-rw-r--r--fresnel/utilities.h51
23 files changed, 3902 insertions, 0 deletions
diff --git a/fresnel/.deps/error.Po b/fresnel/.deps/error.Po
new file mode 100644
index 0000000..1242dc9
--- /dev/null
+++ b/fresnel/.deps/error.Po
@@ -0,0 +1,334 @@
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diff --git a/fresnel/.deps/main.Po b/fresnel/.deps/main.Po
new file mode 100644
index 0000000..30c5a15
--- /dev/null
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diff --git a/fresnel/.deps/parameter.Po b/fresnel/.deps/parameter.Po
new file mode 100644
index 0000000..49ee957
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diff --git a/fresnel/.deps/propagate.Po b/fresnel/.deps/propagate.Po
new file mode 100644
index 0000000..121236d
--- /dev/null
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+ cp -pR $$d/$$file $(distdir)$$dir || exit 1; \
+ else \
+ test -f $(distdir)/$$file \
+ || cp -p $$d/$$file $(distdir)/$$file \
+ || exit 1; \
+ fi; \
+ done
+check-am: all-am
+check: check-am
+all-am: Makefile $(PROGRAMS) $(DATA) $(HEADERS)
+
+installdirs:
+ $(mkinstalldirs) $(DESTDIR)$(bindir) $(DESTDIR)$(datadir) $(DESTDIR)$(includedir)
+
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+ @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ INSTALL_STRIP_FLAG=-s \
+ `test -z '$(STRIP)' || \
+ echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+ -rm -f Makefile $(CONFIG_CLEAN_FILES)
+
+maintainer-clean-generic:
+ @echo "This command is intended for maintainers to use"
+ @echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-binPROGRAMS clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-am
+
+distclean-am: clean-am distclean-compile distclean-depend \
+ distclean-generic distclean-libtool distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+info: info-am
+
+info-am:
+
+install-data-am: install-dist_dataDATA install-includeHEADERS
+
+install-exec-am: install-binPROGRAMS
+
+install-info: install-info-am
+
+install-man:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+ mostlyclean-libtool
+
+uninstall-am: uninstall-binPROGRAMS uninstall-dist_dataDATA \
+ uninstall-includeHEADERS uninstall-info-am
+
+.PHONY: GTAGS all all-am check check-am clean clean-binPROGRAMS \
+ clean-generic clean-libtool distclean distclean-compile \
+ distclean-depend distclean-generic distclean-libtool \
+ distclean-tags distdir dvi dvi-am info info-am install \
+ install-am install-binPROGRAMS install-data install-data-am \
+ install-dist_dataDATA install-exec install-exec-am \
+ install-includeHEADERS install-info install-info-am install-man \
+ install-strip installcheck installcheck-am installdirs \
+ maintainer-clean maintainer-clean-generic mostlyclean \
+ mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
+ tags uninstall uninstall-am uninstall-binPROGRAMS \
+ uninstall-dist_dataDATA uninstall-includeHEADERS \
+ uninstall-info-am
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/fresnel/README b/fresnel/README
new file mode 100644
index 0000000..b09fe65
--- /dev/null
+++ b/fresnel/README
@@ -0,0 +1,28 @@
+
+ Fresnel reflectivity
+------------------------------------------------------------------------------------------
+
+This program calculates the flux of light I(t) reflected from a
+step plasma profile.
+The laser pulse is assumed to have rectangular shape.
+
+Input parameters are
+ - plasma frequency in units of the laser frequency
+ - incident laser amplitude (= lpic++ amplitude a0)
+ - angle of incidence
+ - polarization (s or p)
+ - pulse duration in laser cycles
+ - number of time steps per cycle
+ - output path
+These paramters are entered by editing the input file 'input.fresnel'.
+
+Results are written to file 'reflex', 'reflex-avg' and 'reflex-int'.
+ 'reflex' : reflected intensity as a function of time
+ 'reflex-avg' : cycle-averaged reflectivity ( <I(t)>/I0 )
+ 'reflex-int' : integrand for the numerical integration,
+ only for those who are very much interested!
+
+Notice: To compare the reflected flux with lpic++ results, you have
+ to shift the reflected flux in time corresponding to the
+ time the laser light needs for reaching the surface and
+ returning to the box boundary.
diff --git a/fresnel/common.h b/fresnel/common.h
new file mode 100644
index 0000000..acebd81
--- /dev/null
+++ b/fresnel/common.h
@@ -0,0 +1,57 @@
+/*
+ This file is part of LPIC++, a particle-in-cell code for
+ simulating the interaction of laser light with plasma.
+
+ Copyright (C) 1994-1997 Roland Lichters
+
+ LPIC++ is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License
+ as published by the Free Software Foundation; either version 2
+ of the License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+
+///////////////////////////////////////////////////////////
+//
+// physical constants in SI units
+// mathematical constants
+// common procedures
+//
+///////////////////////////////////////////////////////////
+
+#ifndef COMMON_H
+#define COMMON_H
+
+#define C 2.9979246e+8 // m/s velocity of light in vacuum
+#define E 1.6021773e-19 // C electron charge
+#define M 9.1093897e-31 // kg electron mass
+#define EPS 8.8541878e-12 // C/Vm dielectric permability
+#define EV 1.6021773e-19 // J electron volt
+#define HB 1.0545727e-34 // Js Planck's h/2pi
+#define AB 5.2917726e-11 // m Bor radius
+#define EN 4.3597483e-18 // J atomic energy unit = 2 * 13.6 eV
+#define TI 2.4188843e-17 // s atomic time unit = HB / EN
+
+#define PI M_PI
+#define TINY 1e-10
+
+//----------------------------------------------------------------------------------------
+
+inline double sqr(double x) { return (x*x); };
+
+static const int filename_size = 100;
+
+#endif
+
+
+
+
+
diff --git a/fresnel/error.C b/fresnel/error.C
new file mode 100644
index 0000000..c8ab6f6
--- /dev/null
+++ b/fresnel/error.C
@@ -0,0 +1,187 @@
+/*
+ This file is part of LPIC++, a particle-in-cell code for
+ simulating the interaction of laser light with plasma.
+
+ Copyright (C) 1994-1997 Roland Lichters
+
+ LPIC++ is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License
+ as published by the Free Software Foundation; either version 2
+ of the License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+
+#include <error.h>
+
+int error_handler::error_number = 0;
+int error_handler::message_number = 0;
+int error_handler::debug_number = 0;
+int error_handler::Q_debug = 1;
+int error_handler::object_number = 0;
+
+//////////////////////////////////////////////////////////////////////////////////////////
+
+error_handler::error_handler(const char *name, char *error_file_name)
+{
+ errname = new char [filename_size];
+ strcpy(errname,error_file_name);
+
+ errfile.open(errname,ios::app);
+
+ if (!errfile)
+ {
+ cerr << " Cannot open " << errname << endl;
+ exit(1);
+ }
+
+ errfile.close();
+
+ my_name = name;
+ object_number++;
+
+ debug("");
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////
+
+void error_handler::error(char* s1, char* s2, char *s3, char *s4)
+{
+ error_number++ ;
+
+ errfile.open(errname,ios::app);
+ errfile.setf(ios::left);
+
+ errfile << "FAILURE: " << setw(24) << my_name << " " << s1 << ' ' << s2
+ << s3 << s4 << endl;
+
+ errfile.close();
+
+ exit(1);
+}
+
+void error_handler::error(char* s1, double d2, char *s3, char *s4)
+{
+ error_number++ ;
+
+ errfile.open(errname,ios::app);
+ errfile.setf(ios::left);
+
+ errfile << "FAILURE: " << setw(24) << my_name << " " << s1 << ' ' << d2
+ << s3 << s4 << endl;
+
+ errfile.close();
+
+ exit(1);
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////
+
+void error_handler::message(char *s1, char* s2, char* s3, char* s4)
+{
+ message_number++ ;
+
+ errfile.open(errname,ios::app);
+ errfile.setf(ios::left);
+
+ errfile << setw(33) << my_name << " "
+ << s1 << " " << s2 << " " << s3 << " " << s4 << endl;
+
+ errfile.close();
+}
+
+void error_handler::message(char *s1, double d2,
+ char* s3, char* s4)
+{
+ message_number++ ;
+
+ errfile.open(errname,ios::app);
+ errfile.setf(ios::left);
+
+ errfile.precision(12);
+
+ errfile << setw(33) << my_name << " "
+ << s1 << " " << d2 << " " << s3 << " " << s4 <<endl;
+
+ errfile.close();
+}
+
+void error_handler::message(char *s1, double d2, char* s3, double d4)
+{
+ message_number++ ;
+
+ errfile.open(errname,ios::app);
+ errfile.setf(ios::left);
+
+ errfile.precision(12);
+
+ errfile << setw(33) << my_name << " "
+ << s1 << " " << d2 << " " << s3 << " " << d4 <<endl;
+
+ errfile.close();
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////
+
+void error_handler::debug(char *s1, char* s2, char* s3, char* s4)
+{
+ if (Q_debug) {
+ debug_number++ ;
+
+ errfile.open(errname,ios::app);
+ errfile.setf(ios::left);
+
+ errfile << setw(33) << my_name << " DB:" << setw(2) << object_number << " "
+ << s1 << " " << s2 << " " << s3 << " " << s4 << endl;
+
+ errfile.close();
+ }
+}
+
+void error_handler::debug(char *s1, double d2, char* s3, char* s4)
+{
+ if (Q_debug) {
+ debug_number++ ;
+
+ errfile.open(errname,ios::app);
+ errfile.setf(ios::left);
+
+ errfile.precision(12);
+
+ errfile << setw(33) << my_name << " DB:" << setw(2) << object_number << " "
+ << s1 << " " << d2 << " " << s3 << " " << s4 <<endl;
+
+ errfile.close();
+ }
+}
+
+void error_handler::debug(char *s1, double d2, char* s3, double d4)
+{
+ if (Q_debug) {
+ debug_number++ ;
+
+ errfile.open(errname,ios::app);
+ errfile.setf(ios::left);
+
+ errfile.precision(12);
+
+ errfile << setw(33) << my_name << " DB:" << setw(2) << object_number << " "
+ << s1 << " " << d2 << " " << s3 << " " << d4 <<endl;
+
+ errfile.close();
+ }
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////
+//EOF
+
+
+
+
diff --git a/fresnel/error.h b/fresnel/error.h
new file mode 100644
index 0000000..5378c4f
--- /dev/null
+++ b/fresnel/error.h
@@ -0,0 +1,70 @@
+/*
+ This file is part of LPIC++, a particle-in-cell code for
+ simulating the interaction of laser light with plasma.
+
+ Copyright (C) 1994-1997 Roland Lichters
+
+ LPIC++ is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License
+ as published by the Free Software Foundation; either version 2
+ of the License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+
+#ifndef ERROR_H
+#define ERROR_H
+
+#include <common.h>
+#include <fstream>
+#include <stdio.h>
+#include <string.h>
+#include <iomanip>
+#include <stdlib.h> // <libc.h>
+#include <iostream>
+using namespace std;
+
+class error_handler {
+ static int error_number;
+ static int message_number;
+ static int Q_debug;
+ static int debug_number;
+ static int object_number;
+ const char *my_name;
+ char *errname;
+ ofstream errfile;
+public:
+ error_handler(const char *, char *error_file_name);
+ void error(char* s1, char* s2="",
+ char* s3="", char* s4="");
+ void error(char* s1, double d2,
+ char* s3="", char* s4="");
+
+ void message(char* m1,
+ char* m2="", char* m3="", char* m4="");
+ void message(char* m1, double m2,
+ char* m3="", char* m4="");
+ void message(char* m1 , double m2, char* m3, double m4);
+
+ void debug(char* m1,
+ char* m2="", char* m3="", char* m4="");
+ void debug(char* m1, double m2,
+ char* m3="", char* m4="");
+ void debug(char* m1 , double m2, char* m3, double m4);
+};
+
+#endif
+
+
+
+
+
+
+
diff --git a/fresnel/fresnel b/fresnel/fresnel
new file mode 100755
index 0000000..e2047f3
--- /dev/null
+++ b/fresnel/fresnel
Binary files differ
diff --git a/fresnel/main.C b/fresnel/main.C
new file mode 100644
index 0000000..bac060e
--- /dev/null
+++ b/fresnel/main.C
@@ -0,0 +1,42 @@
+/*
+ This file is part of LPIC++, a particle-in-cell code for
+ simulating the interaction of laser light with plasma.
+
+ Copyright (C) 1994-1997 Roland Lichters
+
+ LPIC++ is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License
+ as published by the Free Software Foundation; either version 2
+ of the License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+
+#include <main.h>
+
+//////////////////////////////////////////////////////////////////////////////////////////
+
+int main(int argc, char **argv)
+{
+ parameter p(argc, argv);
+ propagate prop(p);
+ static error_handler bob("main",p.errname);
+
+ prop.loop(p);
+
+ bob.message("done");
+
+ exit(0);
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////
+//EOF
+
+
diff --git a/fresnel/main.h b/fresnel/main.h
new file mode 100644
index 0000000..6b9c413
--- /dev/null
+++ b/fresnel/main.h
@@ -0,0 +1,34 @@
+/*
+ This file is part of LPIC++, a particle-in-cell code for
+ simulating the interaction of laser light with plasma.
+
+ Copyright (C) 1994-1997 Roland Lichters
+
+ LPIC++ is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License
+ as published by the Free Software Foundation; either version 2
+ of the License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+
+#ifndef MAIN_H
+#define MAIN_H
+
+#include <iostream>
+#include <common.h>
+#include <error.h>
+#include <parameter.h>
+#include <propagate.h>
+
+int main(int argc, char **argv);
+
+
+#endif
diff --git a/fresnel/parameter.C b/fresnel/parameter.C
new file mode 100644
index 0000000..e7b7d2b
--- /dev/null
+++ b/fresnel/parameter.C
@@ -0,0 +1,160 @@
+/*
+ This file is part of LPIC++, a particle-in-cell code for
+ simulating the interaction of laser light with plasma.
+
+ Copyright (C) 1994-1997 Roland Lichters
+
+ LPIC++ is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License
+ as published by the Free Software Foundation; either version 2
+ of the License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+
+//////////////////////////////////////////////////////////////////////////////////////////
+//
+// fresnel
+//
+// initializes and reads parameters
+// for documentation see 'parameter.h'
+//
+//////////////////////////////////////////////////////////////////////////////////////////
+
+#include <parameter.h>
+
+parameter::parameter(int argc, char **argv)
+{
+ plasma.wp = 0.8; // default parameters ////////////////////////////////////
+
+ pulse.amplitude = 0.01;
+ pulse.angle = 0.0;
+ pulse.polarization = 1;
+ pulse.duration = 60;
+
+ prop.time_start = 0.0;
+ prop.time_stop = 30.0;
+ prop.spp = 50;
+
+ my_name = new(char[filename_size]);
+ strcpy(my_name,argv[0]);
+
+ path = new char [filename_size];
+ strcpy(path,"data");
+
+ if (argc==1) { //////////////// check commandline parameters ///////////////////////////
+ cerr << "\n\n no arguments " << endl;
+ }
+ else {
+ cerr << "\n\n " << argc - 1 << " arguments" << endl << endl;
+ }
+
+ read_filename = new(char[filename_size]);
+
+ if (argc==1) { //////////// read parameters from default filename //////////////////////
+ char *fname = "input.fresnel";
+ cout << " reading from " << fname << endl;
+ read(fname);
+ }
+ else { //////////////////// read parameters from specified filename ////////////////////
+ cout << " reading from " << argv[1] << endl;
+ read(argv[1]);
+ }
+
+ /////////////////////////////////////////
+ pulse.angle_rad = PI/180 * pulse.angle;//
+ /////////////////////////////////////////
+
+ cout << " output in " << path << endl;
+
+ sprintf( errname, "%s/error", path );
+ static error_handler bob("parameter::Constructor", errname);
+
+ save(path,errname);
+
+};
+
+//////////////////////////////////////////////////////////////////////////////////////////
+
+void parameter::read(char *fname)
+{
+ Trash trash;
+ int i;
+
+ ifstream infile(fname);
+ if (!infile) {
+ cerr << "Cannot open infile: " << fname << endl;
+ cerr << "Using default parameters" << endl;
+ }
+ else {
+ cout << "reading from parameter file does not work." << endl;
+ cout << "set parameters in parameter.C" << endl;
+ exit( 0 );
+ //
+ infile >> trash >> plasma.wp;
+
+ infile >> trash >> pulse.amplitude;
+ infile >> trash >> pulse.angle;
+ infile >> trash >> pulse.polarization;
+ infile >> trash >> pulse.duration;
+
+ infile >> trash >> prop.time_start;
+ infile >> trash >> prop.time_stop;
+ infile >> trash >> prop.spp;
+
+ infile >> trash >> path;
+
+ strcpy(read_filename,fname);
+
+ infile.close();
+ }
+};
+
+
+//////////////////////////////////////////////////////////////////////////////////////////
+
+
+void parameter::save(char *path, char *errname)
+{
+ int i;
+ static error_handler bob("parameter::save",errname);
+ char *fname;
+
+ fname = new char [filename_size];
+ sprintf( fname, "%s/output.fresnel", path );
+ ofstream outfile(fname);
+ if (!outfile)
+ bob.error("Cannot open outfile: ", fname);
+
+ outfile << "fresnel parameters:" << endl << endl;
+
+ outfile << "plasma" << endl;
+ outfile << "-----------------------------------" << endl;
+ outfile << "plasma frequency : " << plasma.wp << endl << endl;
+
+ outfile << "laser pulse" << endl;
+ outfile << "-----------------------------------" << endl;
+ outfile << "incident amplitude : " << pulse.amplitude << endl;
+ outfile << "angle of incidence : " << pulse.angle << endl;
+ outfile << "polarization : " << pulse.polarization << endl;
+ outfile << "duration : " << pulse.duration << endl << endl;
+
+ outfile << "propagation" << endl;
+ outfile << "-----------------------------------" << endl;
+ outfile << "time_start : " << prop.time_start << endl;
+ outfile << "time_stop : " << prop.time_stop << endl;
+ outfile << "steps per period : " << prop.spp << endl << endl;
+
+ outfile.close();
+};
+
+//////////////////////////////////////////////////////////////////////////////////////////
+//EOF
+
diff --git a/fresnel/parameter.h b/fresnel/parameter.h
new file mode 100644
index 0000000..0eae869
--- /dev/null
+++ b/fresnel/parameter.h
@@ -0,0 +1,86 @@
+/*
+ This file is part of LPIC++, a particle-in-cell code for
+ simulating the interaction of laser light with plasma.
+
+ Copyright (C) 1994-1997 Roland Lichters
+
+ LPIC++ is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License
+ as published by the Free Software Foundation; either version 2
+ of the License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+
+/////////////////////////////////////////////
+//
+// header file, input parameters to fresnel.C
+//
+/////////////////////////////////////////////
+
+
+#ifndef PARAMETER_H
+#define PARAMETER_H
+
+#include <common.h>
+#include <error.h>
+#include <fstream>
+#include <iomanip>
+#include <string.h>
+#include <utilities.h>
+#include <math.h>
+
+//////////////////////////////////////////////////////////////////////////////////////////
+
+struct parameter {
+
+ //--------------------------------------------------------------------------------------
+
+ struct plasma_struct {
+ double wp; // plasma frequency in units of laser frequency
+ } plasma;
+
+ //--------------------------------------------------------------------------------------
+
+ struct pulse_struct {
+ double amplitude; // dimensionless laser amplitude (lpic++)
+ double angle; // angle of incidence in degree
+ double angle_rad; // angle of incidence in radiant
+ int polarization; // s=1, p=2
+ int duration; // pulse duration in periods
+ } pulse;
+
+ //--------------------------------------------------------------------------------------
+
+ struct propagate_struct {
+ double time_start; // start time in periods
+ double time_stop; // stop time in periods
+ int spp; // steps per period
+ } prop;
+
+ //--------------------------------------------------------------------------------------
+
+ char *read_filename;
+ char *my_name;
+ char *path;
+ char errname[filename_size];
+
+ parameter(int argc, char **argv);
+ void read(char *fname);
+ void save(char *path, char *errname);
+};
+
+//////////////////////////////////////////////////////////////////////////////////////////
+#endif
+
+
+
+
+
diff --git a/fresnel/propagate.C b/fresnel/propagate.C
new file mode 100644
index 0000000..0dae533
--- /dev/null
+++ b/fresnel/propagate.C
@@ -0,0 +1,228 @@
+/*
+ This file is part of LPIC++, a particle-in-cell code for
+ simulating the interaction of laser light with plasma.
+
+ Copyright (C) 1994-1997 Roland Lichters
+
+ LPIC++ is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License
+ as published by the Free Software Foundation; either version 2
+ of the License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+
+#include <propagate.h>
+
+
+//////////////////////////////////////////////////////////////////////////////////////////
+
+propagate::propagate(parameter &p)
+ : zeit(p)
+{
+ sprintf( errname, "%s/error", p.path );
+ static error_handler bob("propagate::Constructor",errname);
+
+ dt = 1.0 / p.prop.spp;
+ dw = 1.0 / ( p.prop.time_stop - p.prop.time_start ) / 50;
+ wmax = 5;
+ t = p.prop.time_start;
+ T = p.pulse.duration;
+
+ reflex_avg = 0;
+
+ strcpy(p.errname,errname);
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////
+
+void propagate::loop(parameter &p)
+{
+ static error_handler bob("propagate::loop",errname);
+
+ out_int(p); // plot the integrand
+
+ for( t = p.prop.time_start, t_avg=0; t <= p.prop.time_stop+dt; t += dt, t_avg++ )
+ {
+ w = 0.5*dw; reflex = 0;
+ do
+ {
+ r = reflectivity( w, p.plasma.wp, p.pulse.angle_rad, p.pulse.polarization );
+ phi = phase( w, p.plasma.wp, p.pulse.angle_rad, p.pulse.polarization );
+ integrand = r * ( dif((w-1)*PI*T) - dif((w+1)*PI*T) ) * sin( w*PI*(2*t-T)-phi );
+ reflex += dw * T * integrand;
+
+ w += dw;
+ }
+ while( w<wmax );
+
+ out(p); // plot the flux (f(t)/f0)^2
+
+ reflex_avg += 2 * pow( reflex, 2 ) / p.prop.spp;
+
+ // plot the ratio of time averaged fluxes once per period
+ if ( t_avg==p.prop.spp ) { out_avg(p); t_avg=0; reflex_avg=0; }
+
+ zeit.proc(); // update clock
+ }
+
+ zeit.exit();
+}
+
+
+//////////////////////////////////////////////////////////////////////////////////////////
+
+double propagate::reflectivity( double w, double wp, double angle, int polarization )
+{
+ static error_handler bob("propagate::reflectivity",errname);
+
+ if (w*cos(angle)>wp) {
+
+ double n = sqrt( 1 - pow(wp/w,2) );
+
+ rs = cos(angle) - sqrt( n*n-sin(angle)*sin(angle) );
+ rs /= ( cos(angle) + sqrt( n*n-sin(angle)*sin(angle) ) );
+
+ rp = sqrt( 1-pow(sin(angle)/n,2) ) - n*cos(angle);
+ rp /= ( sqrt( 1-pow(sin(angle)/n,2) ) + n*cos(angle) );
+ }
+ else {
+ rs = rp = 1;
+ }
+
+ if (polarization==1) return rs;
+ else return rp;
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////
+
+double propagate::phase( double w, double wp, double angle, int polarization )
+{
+ static error_handler bob("propagate::phase",errname);
+ double brev = w*cos(angle)/wp;
+
+
+ if (brev>=1) {
+
+ double n = sqrt( 1 - pow(wp/w,2) );
+
+ phis = phip = 0;
+ }
+ else {
+
+ // from Born and Wolf, page 49
+ phis = - 2 * atan( sqrt( 1-brev*brev ) / brev );
+
+ // from Born and Wolf, page 49
+ phip = + 2 * atan( wp/w * cos(angle) * ( pow(w/wp,2)-1 ) / sqrt( 1-brev*brev ) );
+ }
+
+ if (polarization==1) return phis;
+ else return phip;
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////
+
+double propagate::dif( double x )
+{
+ static error_handler bob("propagate::dif",errname);
+
+ if ( x==0 ) return 1;
+ else return sin(x)/x;
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////
+
+void propagate::out( parameter &p )
+{
+ static error_handler bob("propagate::out",errname);
+
+ char filename[filename_size];
+
+ sprintf(filename,"%s/reflex", p.path );
+
+ reflex_file.open(filename,ios::app);
+ if (!reflex_file) bob.error( "cannot open file", filename );
+
+ reflex_file.precision( 3 );
+ reflex_file.setf( ios::showpoint | ios::scientific );
+
+ reflex_file << setw(10) << t << setw(10) << pow( p.pulse.amplitude*reflex,2 ) << endl;
+
+ reflex_file.close();
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////
+
+void propagate::out_avg( parameter &p )
+{
+ static error_handler bob("propagate::out_avg",errname);
+
+ char filename[filename_size];
+
+ sprintf(filename,"%s/reflex-avg", p.path );
+
+ reflex_file_avg.open(filename,ios::app);
+ if (!reflex_file_avg) bob.error( "cannot open file", filename );
+
+ reflex_file_avg.precision( 3 );
+ reflex_file_avg.setf( ios::showpoint | ios::scientific );
+
+ reflex_file_avg << setw(10) << t << setw(10) << reflex_avg << endl;
+
+ reflex_file_avg.close();
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////
+
+void propagate::out_int( parameter &p )
+{
+ static error_handler bob("propagate::out_int",errname);
+
+ char filename[filename_size];
+
+ sprintf(filename,"%s/reflex-int", p.path );
+
+ reflex_file_int.open(filename,ios::app);
+ if (!reflex_file_int) bob.error( "cannot open file", filename );
+
+ reflex_file_int.precision( 3 );
+ reflex_file_int.setf( ios::showpoint | ios::scientific );
+
+ reflex_file_int << "#"
+ << setw(12) << "w" << setw(13) << "r(w)"
+ << setw(13) << "phase"
+ << setw(13) << "dif()" << setw(13) << "r(w)*dif()" << endl;
+
+ w = 0; reflex = 0;
+ do
+ {
+ r = reflectivity( w, p.plasma.wp, p.pulse.angle_rad, p.pulse.polarization );
+ phi = phase( w, p.plasma.wp, p.pulse.angle_rad, p.pulse.polarization );
+ integrand = r * ( dif( (w-1)*PI*T ) - dif( (w+1)*PI*T) );
+
+ reflex_file_int << setw(13) << w
+ << setw(13) << r
+ << setw(13) << phi
+ << setw(13) << dif( (w-1)*PI*T ) - dif( (w+1)*PI*T)
+ << setw(13) << integrand << endl;
+
+ w += 5*dw;
+ }
+ while( w<2 );
+
+ reflex_file_int.close();
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////
+//EOF
+
+
+
diff --git a/fresnel/propagate.h b/fresnel/propagate.h
new file mode 100644
index 0000000..2161f5c
--- /dev/null
+++ b/fresnel/propagate.h
@@ -0,0 +1,59 @@
+/*
+ This file is part of LPIC++, a particle-in-cell code for
+ simulating the interaction of laser light with plasma.
+
+ Copyright (C) 1994-1997 Roland Lichters
+
+ LPIC++ is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License
+ as published by the Free Software Foundation; either version 2
+ of the License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+
+#ifndef PROPAGATE_H
+#define PROPAGATE_H
+
+#include <common.h>
+#include <error.h>
+#include <parameter.h>
+#include <uhr.h>
+
+class propagate {
+public:
+ propagate( parameter &p );
+ void loop( parameter &p );
+ double reflectivity( double w, double wp, double angle, int polarization );
+ double phase( double w, double wp, double angle, int polarization );
+ double dif( double x );
+ void out( parameter &p );
+ void out_avg( parameter &p );
+ void out_int( parameter &p );
+
+private:
+
+ int t_avg;
+ double t, w, wmax; // in periods and laser frequency, respectively
+ double dt, dw;
+ double r, rs, rp; // plane wave reflectivity
+ double phi, phis, phip; // reflected plane wave's phase
+ double reflex; // as a function of time for the rectangular pulse
+ double reflex_avg;
+ double integrand;
+ double T; // pulse duration in periods
+
+ uhr zeit;
+
+ char errname[filename_size];
+ ofstream reflex_file, reflex_file_avg, reflex_file_int;
+};
+#endif
+
diff --git a/fresnel/uhr.C b/fresnel/uhr.C
new file mode 100644
index 0000000..d395eeb
--- /dev/null
+++ b/fresnel/uhr.C
@@ -0,0 +1,105 @@
+/*
+ This file is part of LPIC++, a particle-in-cell code for
+ simulating the interaction of laser light with plasma.
+
+ Copyright (C) 1994-1997 Roland Lichters
+
+ LPIC++ is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License
+ as published by the Free Software Foundation; either version 2
+ of the License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+
+#include <uhr.h>
+
+//////////////////////////////////////////////////////////////////////////////////////////
+
+uhr::uhr( parameter &p )
+{
+ sprintf( errname, "%s/error", p.path );
+ error_handler bob("uhr::Constructor",errname);
+
+ start_clock = clock();
+ start_time = time( &start_time );
+
+ h_cpu = m_cpu = s_cpu = 0;
+ h_sys = m_sys = s_sys = 0;
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////
+
+void uhr::proc( void )
+{
+ double h, m, s;
+
+ stop_clock = clock();
+
+ if ( stop_clock - start_clock > 0 )
+ {
+ m = 60.0*modf( (double)( stop_clock - start_clock ) / CLOCKS_PER_SEC/3600, &h );
+ s = 60.0*modf( m, &m );
+
+ s_cpu += s;
+ if ( s_cpu >= 60 ) { s_cpu -= 60; m_cpu += 1; }
+
+ m_cpu += m;
+ if ( m_cpu >= 60 ) { m_cpu -= 60; h_cpu += 1; }
+
+ h_cpu += h;
+ }
+
+ start_clock = stop_clock;
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////
+
+void uhr::sys( void )
+{
+ time(&stop_time);
+
+ m_sys = 60*modf( difftime(stop_time,start_time)/3600, &(h_sys) );
+ s_sys = 60*modf( m_sys, &(m_sys) );
+
+ if ( m_sys>= 60 ) { m_sys -= 60; h_sys += 1; }
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////
+
+void uhr::init( void )
+{
+ start_clock = clock();
+ start_time = time( &start_time );
+
+ h_cpu = m_cpu = s_cpu = 0;
+ h_sys = m_sys = s_sys = 0;
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////
+
+void uhr::exit( void )
+{
+ proc();
+ sys();
+
+ printf( "\n proc " );
+ printf( "%02.0f:", h_cpu );
+ printf( "%02.0f:", m_cpu );
+ printf( "%05.2f ", s_cpu );
+ printf( " sys " );
+ printf( "%02.0f:", h_sys );
+ printf( "%02.0f:", m_sys );
+ printf( "%02.0f ", s_sys );
+ printf( "\n\n" );
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////
+//EOF
diff --git a/fresnel/uhr.h b/fresnel/uhr.h
new file mode 100644
index 0000000..43eab56
--- /dev/null
+++ b/fresnel/uhr.h
@@ -0,0 +1,52 @@
+/*
+ This file is part of LPIC++, a particle-in-cell code for
+ simulating the interaction of laser light with plasma.
+
+ Copyright (C) 1994-1997 Roland Lichters
+
+ LPIC++ is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License
+ as published by the Free Software Foundation; either version 2
+ of the License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+
+#ifndef UHR_H
+#define UHR_H
+
+#include <time.h>
+#include <math.h>
+#include <stdio.h>
+#include <fstream>
+#include <iomanip>
+#include <error.h>
+#include <parameter.h>
+
+class uhr {
+ private:
+
+ double h_cpu, m_cpu, s_cpu; // total time
+ double h_sys, m_sys, s_sys; // intermediate time
+ clock_t start_clock, stop_clock; // clock ticks
+ time_t start_time, stop_time; // system time
+ char errname[filename_size];
+
+ public:
+
+ uhr( parameter &p );
+ void proc( void );
+ void sys( void );
+ void init( void );
+ void exit( void );
+};
+
+
+#endif
diff --git a/fresnel/utilities.C b/fresnel/utilities.C
new file mode 100644
index 0000000..918439b
--- /dev/null
+++ b/fresnel/utilities.C
@@ -0,0 +1,162 @@
+/*
+ This file is part of LPIC++, a particle-in-cell code for
+ simulating the interaction of laser light with plasma.
+
+ Copyright (C) 1994-1997 Roland Lichters
+
+ LPIC++ is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License
+ as published by the Free Software Foundation; either version 2
+ of the License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+
+#include <utilities.h>
+
+#define NR_END 1
+#define FREE_ARG char*
+
+
+//////////////////////////////////////////////////////////////////////////////////////////
+
+void error(char* s1, char* s2, char *s3, char *s4)
+{
+ cout << "FAILURE: " << s1 << ' ' << s2 << s3 << s4 << endl;
+
+ exit(1);
+}
+
+void error(char* s1, double d2, char *s3, char *s4)
+{
+ cout << "FAILURE: " << s1 << ' ' << d2 << s3 << s4 << endl;
+
+ exit(1);
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////
+
+double **dmatrix(long nrl, long nrh, long ncl, long nch)
+// allocate a double matrix with subscript range m[nrl..nrh][ncl..nch]
+{
+ long i, nrow=nrh-nrl+1, ncol=nch-ncl+1;
+ double **m;
+
+ // allocate pointers to rows
+ m=(double **) malloc((size_t)((nrow+NR_END)*sizeof(double*)));
+ if (!m) error("allocation failure 1 in dmatrix()");
+
+ // allocate rows and set pointers to them
+ m[nrl]=(double *) malloc((size_t)((nrow*ncol+NR_END)*sizeof(double)));
+ if (!m[nrl]) error("allocation failure 2 in dmatrix()");
+ m[nrl]+=NR_END;
+ m[nrl]-=ncl;
+
+ for(i=nrl+1;i<=nrh;i++) m[i]=m[i-1]+ncol;
+
+ // return pointer to array of pointers to rows
+ return m;
+}
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+void delete_dmatrix( double **m, long nrl, long nrh, long ncl, long nch)
+// free a double matrix allocated by dmatrix()
+{
+ free((FREE_ARG) (m[nrl]+ncl-NR_END));
+ free((FREE_ARG) (m+nrl-NR_END));
+}
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+float **matrix(long nrl, long nrh, long ncl, long nch)
+// allocate a float matrix with subscript range m[nrl..nrh][ncl..nch]
+{
+ long i, nrow=nrh-nrl+1, ncol=nch-ncl+1;
+ float **m;
+
+ // allocate pointers to rows
+ m=(float **) malloc((size_t)((nrow+NR_END)*sizeof(float*)));
+ if (!m) error("allocation failure 1 in dmatrix()");
+
+ // allocate rows and set pointers to them
+ m[nrl]=(float *) malloc((size_t)((nrow*ncol+NR_END)*sizeof(float)));
+ if (!m[nrl]) error("allocation failure 2 in dmatrix()");
+ m[nrl]+=NR_END;
+ m[nrl]-=ncl;
+
+ for(i=nrl+1;i<=nrh;i++) m[i]=m[i-1]+ncol;
+
+ // return pointer to array of pointers to rows
+ return m;
+}
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+void delete_matrix( float **m, long nrl, long nrh, long ncl, long nch)
+// free a float matrix allocated by matrix()
+{
+ free((FREE_ARG) (m[nrl]+ncl-NR_END));
+ free((FREE_ARG) (m+nrl-NR_END));
+}
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+ifstream& operator>>(ifstream& input, Trash& trash)
+// reads a file to the next occuring ':' by using 'file >> trash'
+{
+ do input.getline(trash.string,2);
+ while( strstr(trash.string,":")==0 );
+
+ return input;
+}
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+unsigned char **ucmatrix(long nrl, long nrh, long ncl, long nch)
+/* allocate a unsigned char matrix with subscript range m[nrl..nrh][ncl..nch] */
+{
+ long i, nrow=nrh-nrl+1, ncol=nch-ncl+1;
+ unsigned char **m;
+
+ /* allocate pointers to rows */
+ m=(unsigned char **) malloc((size_t)((nrow+NR_END)*sizeof(unsigned char*)));
+ if (!m) error("allocation failure 1 in ucmatrix()");
+
+ /* allocate rows and set pointers to them */
+ m[nrl]=(unsigned char *) malloc((size_t)((nrow*ncol+NR_END)*sizeof(unsigned char)));
+ if (!m[nrl]) error("allocation failure 2 in ucmatrix()");
+ m[nrl]+=NR_END;
+ m[nrl]-=ncl;
+
+ for(i=nrl+1;i<=nrh;i++) m[i]=m[i-1]+ncol;
+
+ /* return pointer to array of pointers to rows */
+ return m;
+}
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+
+void free_ucmatrix( unsigned char **m, long nrl, long nrh, long ncl, long nch)
+/* free a unsigned char matrix allocated by ucmatrix() */
+{
+ free((FREE_ARG) (m[nrl]+ncl-NR_END));
+ free((FREE_ARG) (m+nrl-NR_END));
+}
+
+
+/////////////////////////////////////////////////////////////////////////////////////////
+//eof
+
+
+
+
+
diff --git a/fresnel/utilities.h b/fresnel/utilities.h
new file mode 100644
index 0000000..654a14d
--- /dev/null
+++ b/fresnel/utilities.h
@@ -0,0 +1,51 @@
+/*
+ This file is part of LPIC++, a particle-in-cell code for
+ simulating the interaction of laser light with plasma.
+
+ Copyright (C) 1994-1997 Roland Lichters
+
+ LPIC++ is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License
+ as published by the Free Software Foundation; either version 2
+ of the License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+
+#ifndef UTILITIES_H
+#define UTILITIES_H
+
+#include <stdio.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <fstream>
+#include <string.h>
+#include <iomanip>
+#include <iostream>
+using namespace std;
+
+double** dmatrix( long nrl, long nrh, long ncl, long nch );
+void delete_dmatrix( double **m, long nrl, long nrh, long ncl, long nch );
+float** matrix( long nrl, long nrh, long ncl, long nch );
+void delete_matrix( float **m, long nrl, long nrh, long ncl, long nch );
+unsigned char **ucmatrix(long nrl, long nrh, long ncl, long nch);
+void delete_ucmatrix(unsigned char **m, long nrl, long nrh, long ncl, long nch);
+
+class Trash {
+ friend ifstream& operator>> (ifstream&, Trash&);
+private:
+ char string[1];
+};
+
+void error(char* s1, char* s2="", char* s3="", char* s4="");
+void error(char* s1, double d2, char* s3="", char* s4="");
+
+
+#endif