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/*
# This file is part of the Astrometry.net suite.
# Licensed under a 3-clause BSD style license - see LICENSE
*/
#ifndef LS_FILE_H
#define LS_FILE_H
#include <stdio.h>
#include "astrometry/bl.h"
/**
__ls files look like this:
NumFields=20
# comment
3,3.7,5.6,4.3,1,3,7
2,7,8,9,0
ie, for each field, the number of objects is given,
followed by the positions of the objects.
Returns a pl* containing a dl* for
each field. Each dl is a list of
doubles of the positions of the objects.
The "dimension" argument says how many elements to read
per field, ie, what the dimensionality of the position is.
*/
pl* read_ls_file(FILE* fid, int dimension);
/**
Frees the list returned by "read_ls_file".
*/
void ls_file_free(pl* l);
/**
Returns the number of fields in this file, or -1 if
reading fails.
*/
int read_ls_file_header(FILE* fid);
/**
Reads one field from the file.
The returned dl* contains (dimension * numpoints)
doubles.
*/
dl* read_ls_file_field(FILE* fid, int dimension);
#endif
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