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Unified Diff: fusl/src/complex/catanh.c

Issue 1573973002: Add a "fork" of musl as //fusl. (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Created 4 years, 11 months ago
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Index: fusl/src/complex/catanh.c
diff --git a/fusl/src/complex/catanh.c b/fusl/src/complex/catanh.c
new file mode 100644
index 0000000000000000000000000000000000000000..e248d9b934135c5b474d16223c520109f0ed3d71
--- /dev/null
+++ b/fusl/src/complex/catanh.c
@@ -0,0 +1,9 @@
+#include "libm.h"
+
+/* atanh = -i atan(i z) */
+
+double complex catanh(double complex z)
+{
+ z = catan(CMPLX(-cimag(z), creal(z)));
+ return CMPLX(cimag(z), -creal(z));
+}
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