1 files changed, 11 insertions, 0 deletions
diff --git a/lib/libm/cproj.c b/lib/libm/cproj.c
new file mode 100644
index 00000000..db16721f
--- /dev/null
+++ b/lib/libm/cproj.c
@@ -0,0 +1,11 @@
+#include "__complex.h"
+
+double complex cproj(double complex z)
+{
+	double_complex w = { .z = z };
+	if (isinf(creal(z)) || isinf(cimag(z))) {
+		REAL_PART(w) = (double)INFINITY;
+		IMAG_PART(w) = copysign(0.0, cimag(z));
+	}
+	return (w.z);
+}