1 files changed, 4 insertions, 0 deletions
diff --git a/libs/libsq.c b/libs/libsq.c
new file mode 100644
index 0000000..2b93fb4
--- /dev/null
+++ b/libs/libsq.c
@@ -0,0 +1,4 @@
+// calculate square
+double f(double x) {
+	return x*x;
+}