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Diffstat (limited to 'kmer_frequency_per_sequence.c')
-rw-r--r--kmer_frequency_per_sequence.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/kmer_frequency_per_sequence.c b/kmer_frequency_per_sequence.c
index 02a221b..62b98cb 100644
--- a/kmer_frequency_per_sequence.c
+++ b/kmer_frequency_per_sequence.c
@@ -27,7 +27,6 @@ int main(int argc, char **argv) {
long kmer = 6;
size_t len = 0;
ssize_t read;
- unsigned long width = 0;
if(argc != 3) {
printf("Please supply a filename and a kmer\n");
@@ -40,7 +39,7 @@ int main(int argc, char **argv) {
exit(EXIT_FAILURE);
}
- width = (int)pow(4, kmer);
+ const unsigned long width = (unsigned long)1 << (kmer * 2);
while ((read = getline(&line, &len, fh)) != -1) {
if(line[0] != '>' && (read > kmer)) {