From 4abab5ad6c8465a7528ccdd5f49367da05f78bbd Mon Sep 17 00:00:00 2001
From: Vladimir Azarov <avm@intermediate-node.net>
Date: Tue, 1 Oct 2024 15:47:05 +0200
Subject: Initial version

---
 src/complex/cacoshf.c | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 src/complex/cacoshf.c

(limited to 'src/complex/cacoshf.c')

diff --git a/src/complex/cacoshf.c b/src/complex/cacoshf.c
new file mode 100644
index 0000000..8bd8058
--- /dev/null
+++ b/src/complex/cacoshf.c
@@ -0,0 +1,10 @@
+#include "complex_impl.h"
+
+float complex cacoshf(float complex z)
+{
+	int zineg = signbit(cimagf(z));
+
+	z = cacosf(z);
+	if (zineg) return CMPLXF(cimagf(z), -crealf(z));
+	else       return CMPLXF(-cimagf(z), crealf(z));
+}
-- 
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