X-Git-Url: http://nsz.repo.hu/git/?p=libm;a=blobdiff_plain;f=src%2Fcmath%2Fcasinl.c;fp=src%2Fcmath%2Fcasinl.c;h=f9aa8ded97b37bfb0db9d8caeef46707f18fad4f;hp=0000000000000000000000000000000000000000;hb=5718e964d8a5c273a91b4d86d16926f54151c58f;hpb=1305df184d9d04274ce170864c92af8cbeae23e2

diff --git a/src/cmath/casinl.c b/src/cmath/casinl.c
new file mode 100644
index 0000000..f9aa8de
--- /dev/null
+++ b/src/cmath/casinl.c
@@ -0,0 +1,20 @@
+#include "libm.h"
+
+#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
+long double complex casinl(long double complex z)
+{
+	return casin(z);
+}
+#else
+// FIXME
+long double complex casinl(long double complex z)
+{
+	long double complex w;
+	long double x, y;
+
+	x = creall(z);
+	y = cimagl(z);
+	w = cpackl(1.0 - (x - y)*(x + y), -2.0*x*y);
+	return clogl(cpackl(-y, x) + csqrtl(w));
+}
+#endif