1 files changed, 8 insertions, 0 deletions
diff --git a/lib/libm/csinf.c b/lib/libm/csinf.c
new file mode 100644
index 00000000..34d072b8
--- /dev/null
+++ b/lib/libm/csinf.c
@@ -0,0 +1,8 @@
+#include "__complex.h"
+
+float complex csinf(float complex z)
+{
+	float ch, sh;
+	cchshf(cimagf(z), &ch, &sh);
+	return sinf(crealf(z)) * ch + (cosf(crealf(z)) * sh) * I;
+}