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-rw-r--r--Makefile2
-rw-r--r--kmer_frequency_per_sequence.c3
-rw-r--r--kmer_total_count.c2
3 files changed, 3 insertions, 4 deletions
diff --git a/Makefile b/Makefile
index 55b4805..adabfb2 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION=\"v0.0.1\"
CC = gcc
-CFLAGS = -O3 -s -mtune=native -Wall -lm -DVERSION=$(VERSION) -Wextra
+CFLAGS = -O3 -s -mtune=native -Wall -DVERSION=$(VERSION) -Wextra
all: libkmer.so kmer_total_count kmer_frequency_per_sequence
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)) {
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));