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38 lines
1.4 KiB
C
38 lines
1.4 KiB
C
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/* RCODE.H - Parity chk and gen matrix storage, and procedures to read them.*/
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/* Copyright (c) 1995-2012 by Radford M. Neal.
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*
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* Permission is granted for anyone to copy, use, modify, and distribute
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* these programs and accompanying documents for any purpose, provided
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* this copyright notice is retained and prominently displayed, and note
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* is made of any changes made to these programs. These programs and
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* documents are distributed without any warranty, express or implied.
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* As the programs were written for research purposes only, they have not
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* been tested to the degree that would be advisable in any important
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* application. All use of these programs is entirely at the user's own
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* risk.
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*/
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/* VARIABLES HOLDING DATA READ. These are declared for real in rcode.c. */
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extern mod2sparse *H; /* Parity check matrix */
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extern int M; /* Number of rows in parity check matrix */
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extern int N; /* Number of columns in parity check matrix */
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extern char type; /* Type of generator matrix representation */
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extern int *cols; /* Ordering of columns in generator matrix */
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extern mod2sparse *L, *U; /* Sparse LU decomposition, if type=='s' */
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extern int *rows; /* Ordering of rows in generator matrix (type 's') */
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extern mod2dense *G; /* Dense or mixed representation of generator matrix,
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if type=='d' or type=='m' */
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/* PROCEDURES FOR READING DATA. */
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void read_pchk (char *);
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void read_gen (char *, int, int);
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