X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=fec.c;h=d097b77de836248d79142348f254dd4c3ef57817;hp=f3e68454941e702ff7cb9ca78ca9a3b749998086;hb=6b2414cd3ea3437ffb39d25ddc60eeecf3194ebc;hpb=eea9d1cae30df921ae2fd1771518b8b21dbd0daf

diff --git a/fec.c b/fec.c
index f3e68454..d097b77d 100644
--- a/fec.c
+++ b/fec.c
@@ -1,5 +1,6 @@
+/** \file fec.c Forward error correction based on Vandermonde matrices. */
+
 /*
- * fec.c -- forward error correction based on Vandermonde matrices
  * 980624
  * (C) 1997-98 Luigi Rizzo (luigi@iet.unipi.it)
  *
@@ -32,6 +33,8 @@
  * OF SUCH DAMAGE.
  */
 
+#include <regex.h>
+
 #include "para.h"
 #include "error.h"
 #include "portable_io.h"
@@ -214,7 +217,7 @@ static void matmul(unsigned char *a, unsigned char *b, unsigned char *c,
  * Compute the inverse of a matrix.
  *
  * k is the size of the matrix 'src' (Gauss-Jordan, adapted from Numerical
- * Recipes in C). Returns -1 if 'src' is singular.
+ * Recipes in C). Returns negative on errors.
  */
 static int invert_mat(unsigned char *src, int k)
 {