1 files changed, 7 insertions, 0 deletions
diff --git a/libs/libsin.c b/libs/libsin.c
new file mode 100644
index 0000000..34200af
--- /dev/null
+++ b/libs/libsin.c
@@ -0,0 +1,7 @@
+
+#include <math.h>
+
+// calculate sine
+double f(double x) {
+	return sin(x);
+}