vidjil.cpp: min_cover_representative is now a ratio of min_reads_clone (-R)

This enables to have representatives even when setting -R to very small values.
As a side effect, option -A should return representatives for every clone (-R is 1).

algo/vidjil.cpp

@@ -102,7 +102,7 @@ enum { CMD_WINDOWS, CMD_ANALYSIS, CMD_SEGMENT } ;
 
 #define DEFAULT_MAX_AUDITIONED 2000
 #define DEFAULT_RATIO_REPRESENTATIVE 0.5
-#define DEFAULT_MIN_COVER_REPRESENTATIVE 5
+#define MIN_COVER_REPRESENTATIVE_RATIO_MIN_READS_CLONE 1.0
 
 #define DEFAULT_EPSILON  0
 #define DEFAULT_MINPTS   10
@@ -248,7 +248,6 @@ int main (int argc, char **argv)
   float ratio_reads_clone = RATIO_READS_CLONE;
   // int average_deletion = 4;     // Average number of deletion in V or J
 
-  size_t min_cover_representative = DEFAULT_MIN_COVER_REPRESENTATIVE;
   float ratio_representative = DEFAULT_RATIO_REPRESENTATIVE;
   unsigned int max_auditionned = DEFAULT_MAX_AUDITIONED;
 
@@ -457,7 +456,7 @@ int main (int argc, char **argv)
 
   //$$ options: post-processing+display
 
-
+  size_t min_cover_representative = (size_t) (MIN_COVER_REPRESENTATIVE_RATIO_MIN_READS_CLONE * min_reads_clone) ;
 
   // Default seeds