mirror of
				https://github.com/saitohirga/WSJT-X.git
				synced 2025-11-03 13:30:52 -05:00 
			
		
		
		
	
		
			
	
	
		
			52 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			HTML
		
	
	
	
	
	
		
		
			
		
	
	
			52 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			HTML
		
	
	
	
	
	
| 
								 | 
							
								<HTML><HEAD>
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								<TITLE> Modulo-2 Matrix Sparse/Dense Conversion </TITLE>
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								</HEAD><BODY>
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								<H1> Modulo-2 Matrix Sparse/Dense Conversion </H1>
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								<P>The routines below convert modulo-2 matrices between the form used by
							 | 
						||
| 
								 | 
							
								the <A HREF="mod2dense.html">routines for dense modulo-2 matrices</A>
							 | 
						||
| 
								 | 
							
								and the form used by the <A HREF="mod2dense.html">routines for sparse
							 | 
						||
| 
								 | 
							
								modulo-2 matrices</A>.
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								<P><B>Header files required</B>:
							 | 
						||
| 
								 | 
							
								<TT>mod2sparse.h mod2dense.h mod2convert.h</TT>
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								<P><A NAME="sparse_to_dense"><HR><B>mod2sparse_to_dense</B>:
							 | 
						||
| 
								 | 
							
								Convert a modulo-2 matrix from sparse to dense form.</A>
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								<BLOCKQUOTE><PRE>
							 | 
						||
| 
								 | 
							
								void mod2sparse_to_dense 
							 | 
						||
| 
								 | 
							
								( mod2sparse *m,  /* Sparse matrix to convert */
							 | 
						||
| 
								 | 
							
								  mod2dense *r    /* Place to store result */
							 | 
						||
| 
								 | 
							
								)
							 | 
						||
| 
								 | 
							
								</PRE></BLOCKQUOTE>
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								The dense matrix, r, must already have been allocated, and must have at
							 | 
						||
| 
								 | 
							
								least as many rows and columns as m, the sparse matrix to be converted.
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								<P><A NAME="dense_to_sparse"><HR><B>mod2dense_to_sparse</B>:
							 | 
						||
| 
								 | 
							
								Convert a modulo-2 matrix from dense to sparse form.</A>
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								<BLOCKQUOTE><PRE>
							 | 
						||
| 
								 | 
							
								void mod2dense_to_sparse 
							 | 
						||
| 
								 | 
							
								( mod2dense *m,  /* Dense matrix to convert */
							 | 
						||
| 
								 | 
							
								  mod2sparse *r  /* Place to store result */
							 | 
						||
| 
								 | 
							
								)
							 | 
						||
| 
								 | 
							
								</PRE></BLOCKQUOTE>
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								The sparse matrix, r, must already have been allocated, and must have at
							 | 
						||
| 
								 | 
							
								least as many rows and columns as m, the dense matrix to be converted.
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								<HR>
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								<A HREF="index.html">Back to index for LDPC software</A>
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								</BODY></HTML>
							 |