r740: increased default -k for correct

Author: lh3

correct.c

@@ -311,7 +311,7 @@ int fm6_ec_correct(const rld_t *e, fmecopt_t *opt, const char *fn, int _n_thread
 	pthread_attr_t attr;
 
 	if (opt->w < 0) { // determine k-mer
-		opt->w = (int)(log(e->mcnt[0]) / log(4) + 6.499);
+		opt->w = (int)(log(e->mcnt[0]) / log(4) + 8.499);
 		if (opt->w >= MAX_KMER) opt->w = MAX_KMER;
 		if (fm_verbose >= 3)
 			fprintf(stderr, "[M::%s] set k-mer length to %d\n", __func__, opt->w);

fermi.h

@@ -4,7 +4,7 @@
 #include <stdint.h>
 #include <stdlib.h>
 
-#define FERMI_VERSION "1.0-r739"
+#define FERMI_VERSION "1.0-r740"
 
 #define FM_MASK30 0x3fffffff