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Viewing changes to src/read_header.c

Committer: Bazaar Package Importer
Author(s): Joop Stakenborg
Date: 2005-08-22 20:20:13 UTC
Revision ID: james.westby@ubuntu.com-20050822202013-mhhxp4xirdxrdfx1

Tags: upstream-1.19

Import upstream version 1.19

files added:

AUTHORS

BUGS

COPYING

ChangeLog

INSTALL

Makefile.am

Makefile.in

NEWS

README

TODO

aclocal.m4

config.guess

config.sub

configure

configure.ac

depcomp

doc/Makefile.am

doc/Makefile.in

doc/dipole.1.html

doc/first.1.html

doc/index.html

doc/input.1.html

doc/optimise.1.html

doc/output.1.html

doc/pattern.jpg

doc/yagi.1.html

doc/yagi.jpg

install-sh

man/Makefile.am

man/Makefile.in

man/man1

man/man1/Makefile.am

man/man1/Makefile.in

man/man1/dipole.1

man/man1/first.1

man/man1/input.1

man/man1/optimise.1

man/man1/output.1

man/man1/yagi.1

man/man5

man/man5/Makefile.am

man/man5/Makefile.in

man/man5/first.5

man/man5/input.5

man/man5/optimise.5

man/man5/output.5

man/man5/yagi.5

missing

mkinstalldirs

src/3-element-yagi

src/Makefile.am

src/Makefile.in

src/auto.c

src/better.c

src/change_max_percentage_changes.c

src/check_flags.c

src/ci.c

src/cin.c

src/cis_hack.c

src/com_hack.c

src/com_hack.h

src/copy_matrix.c

src/dipole.c

src/display_antenna_currents.c

src/dobetter.c

src/dynamic.c

src/end_stop.c

src/error_message.c

src/fill_v_vector.c

src/fill_z_matrix.c

src/first.c

src/fitness.c

src/gain.c

src/gaussian.c

src/genetic.c

src/genetic_algorithm_lib.c

src/get_command_line_options.c

src/get_number_of_elements.c

src/getfiles.c

src/getopt.c

src/globals.h

src/input.c

src/install-sh

src/linear.c

src/lub_hack.c

src/lud_hack.c

src/max_gain.c

src/max_side.c

src/missing

src/mkinstalldirs

src/mpr_hack.c

src/mutual.c

src/new_length.c

src/nr_hack.h

src/nrutil.c

src/nrutil.h

src/optimise.c

src/optimising_for.c

src/output.c

src/perform.c

src/power_input.c

src/print_relavent_performance_data.c

src/print_z_matrix.c

src/random.c

src/randomise.c

src/rantest.c

src/read_header.c

src/read_yagi_data.c

src/reflection_coefficient.c

src/self.c

src/self2.c

src/selftest.c

src/sens.c

src/set_mean_structure.c

src/set_performance_structures.c

src/show_all_optimise_parameters.c

src/solve.c

src/string.c

src/subtract_structures.c

src/test2.c

src/test_stop.c

src/usage_first.c

src/usage_input.c

src/usage_optimise.c

src/usage_output.c

src/usage_yagi.c

src/version.c

src/vswr.c

src/write_coordinates.c

src/write_gain.c

src/write_gnuplot_header.c

src/write_header_to_disk.c

src/write_input_data.c

src/yagi.c

src/yagi.h

src/z_input.c

src/zbr_hack.c

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src/read_header.c

#ifdef HAVE_STDLIB_H

#include <stdlib.h>

#endif

#include <stdio.h>

#include <sys/types.h>

#include <unistd.h>

#include <errno.h>

#include "yagi.h"

extern int errno;

int read_header(FILE *ifp, FILE *ofp, double *min_f, double *max_f,

double *step_f, double *f, double *angular_step)

{

int elements, driven, parasitic;

fread((char *) &elements, sizeof(elements), 1, ifp);

fread((char *) &driven, sizeof(driven), 1, ifp);

fread((char *) &parasitic, sizeof(parasitic), 1, ifp);

fread((char *) min_f, sizeof(*min_f), 1, ifp);

fread((char *) max_f,sizeof(*max_f), 1, ifp);

fread((char *) f, sizeof(*f), 1, ifp);

fread((char *) step_f, sizeof(*step_f), 1, ifp);

fread((char *) angular_step, sizeof(*angular_step), 1, ifp);

fseek(ifp, HEADER_SIZE, SEEK_SET); /* skip rest of header */

/* now we make some basic checks on the header, to see nothing is too

far wrong. */

if( (*max_f < *min_f) || *angular_step==0 || driven+parasitic != elements || (*step_f > *max_f))

{

fprintf(stderr,"Error in input file\n");

fprintf(stderr,"driven=%d parasitic=%d elements=%d\n",driven,parasitic,elements);

fprintf(stderr,"min_f=%f max_f=%f step_f=%f\n",*min_f, *max_f, *step_f);

fprintf(stderr,"angular_step=%f \n", *angular_step);

exit(19);

}

fprintf(ofp,"# Driven=%d parasitic=%d total-elements=%d design=%.3fMHz\n", driven, parasitic, elements, *f/1e6);

fprintf(ofp,"# Checked from %.3fMHz to %.3fMHz.\n", *min_f/1e6, *max_f/1e6);

#ifdef DEBUG

if(errno)

{

fprintf(stderr,"Errno =%d in read_hea.c\n", errno);

exit(1);

}

#endif

return(elements);

}

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