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-rw-r--r--kmer_total_count.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kmer_total_count.c b/kmer_total_count.c
index 113c979..345bceb 100644
--- a/kmer_total_count.c
+++ b/kmer_total_count.c
@@ -43,7 +43,7 @@ int main(int argc, char **argv) {
const unsigned int kmer = atoi(argv[2]);
// width is 4^kmer
- const unsigned long width = pow(4, kmer);
+ const unsigned long width = (unsigned long)1 << (kmer * 2);
// malloc our counts matrix
unsigned long long * const counts = malloc((width+ 1) * sizeof(unsigned long long));