1 files changed, 13 insertions, 0 deletions
diff --git a/lib/libm/cprojl.c b/lib/libm/cprojl.c
new file mode 100644
index 00000000..80c675ca
--- /dev/null
+++ b/lib/libm/cprojl.c
@@ -0,0 +1,13 @@
+#include "__complex.h"
+
+long double complex cprojl(long double complex z)
+{
+	long_double_complex w = { .z = z };
+
+	if (isinf(creall(z)) || isinf(cimagl(z))) {
+		REAL_PART(w) = (long double)INFINITY;
+		IMAG_PART(w) = copysignl(0.0L, cimagl(z));
+	}
+
+	return (w.z);
+}