musl - musl - an implementation of the standard library for Linux-based systems

diff --git a/src/complex/cacosh.c b/src/complex/cacosh.c
index 8e42f1ae..76127f75 100644
--- a/src/complex/cacosh.c
+++ b/src/complex/cacosh.c

@@ -4,6 +4,9 @@

double complex cacosh(double complex z)

{

+ int zineg = signbit(cimag(z));

+

z = cacos(z);

- return CMPLX(-cimag(z), creal(z));

+ if (zineg) return CMPLX(cimag(z), -creal(z));

+ else return CMPLX(-cimag(z), creal(z));

}