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/*********************************************************************
Convolve - Convolve input data with a given kernel.
Convolve is part of GNU Astronomy Utilities (Gnuastro) package.
Original author:
Mohammad Akhlaghi <mohammad@akhlaghi.org>
Contributing author(s):
Copyright (C) 2015-2025 Free Software Foundation, Inc.
Gnuastro 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 3 of the License, or (at your
option) any later version.
Gnuastro 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 Gnuastro. If not, see <http://www.gnu.org/licenses/>.
**********************************************************************/
#ifndef MAIN_H
#define MAIN_H
/* Include necessary headers */
#include <gnuastro/data.h>
#include <gnuastro-internal/options.h>
/* Program names. */
#define PROGRAM_NAME "Convolve" /* Program full name. */
#define PROGRAM_EXEC "astconvolve" /* Program executable name. */
#define PROGRAM_STRING PROGRAM_NAME" (" PACKAGE_NAME ") " PACKAGE_VERSION
/* Macros */
#define CONVFLOATINGPOINTERR 1e-10
#define INPUT_USE_TYPE GAL_TYPE_FLOAT32
/* Enumerators */
enum complex_to_real
{
COMPLEX_TO_REAL_INVALID, /* ==0 by C standard. */
COMPLEX_TO_REAL_SPEC,
COMPLEX_TO_REAL_PHASE,
COMPLEX_TO_REAL_REAL,
};
enum domain_codes
{
CONVOLVE_DOMAIN_INVALID, /* ==0 by C standard. */
CONVOLVE_DOMAIN_SPATIAL,
CONVOLVE_DOMAIN_FREQUENCY,
};
/* Processing parameters structure */
struct convolveparams
{
/* From command-line */
struct gal_options_common_params cp; /* Common parameters. */
char *filename; /* Name of input file. */
char *column; /* Name of column if input is a table. */
char *kernelname; /* File name of kernel. */
char *khdu; /* HDU of kernel. */
char *kernelcolumn; /* Column to read the input kernel. */
uint8_t nokernelflip; /* Do not flip the kernel. */
uint8_t nokernelnorm; /* Do not normalize the kernel. */
double minsharpspec; /* Deconvolution: min spect. of sharp img. */
uint8_t checkfreqsteps; /* View the frequency domain steps. */
char *domainstr; /* String value specifying domain. */
size_t makekernel; /* Make a kernel to create input. */
uint8_t noedgecorrection; /* Do not correct spatial edge effects. */
uint8_t conv_on_blank; /* Do convolution on blank pixels also. */
/* Internal */
int isfits; /* Input is a FITS file. */
int hdu_type; /* Type of HDU (image or table). */
int domain; /* Frequency or spatial domain conv. */
gal_data_t *input; /* Input image array. */
gal_data_t *kernel; /* Input Kernel array. */
double *pimg; /* Padded image array. */
double *pker; /* Padded kernel array. */
double *rpad; /* Real final image before removing pad'd. */
size_t ps0; /* Padded size along first C axis. */
size_t ps1; /* Padded size along second C axis. */
char *freqstepsname; /* Name of file to check frequency steps. */
time_t rawtime; /* Starting time of the program. */
};
#endif
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