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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 13:54:38 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 13:54:38 +0000 |
| commit | 8c1ab65c0f548d20b7f177bdb736daaf603340e1 (patch) | |
| tree | df55b7e75bf43f2bf500845b105afe3ac3a5157e /libc-top-half/musl/src/complex/cacosh.c | |
| parent | Initial commit. (diff) | |
| download | wasi-libc-8c1ab65c0f548d20b7f177bdb736daaf603340e1.tar.xz wasi-libc-8c1ab65c0f548d20b7f177bdb736daaf603340e1.zip | |
Adding upstream version 0.0~git20221206.8b7148f.upstream/0.0_git20221206.8b7148f
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'libc-top-half/musl/src/complex/cacosh.c')
| -rw-r--r-- | libc-top-half/musl/src/complex/cacosh.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/complex/cacosh.c b/libc-top-half/musl/src/complex/cacosh.c new file mode 100644 index 0000000..76127f7 --- /dev/null +++ b/libc-top-half/musl/src/complex/cacosh.c @@ -0,0 +1,12 @@ +#include "complex_impl.h" + +/* acosh(z) = i acos(z) */ + +double complex cacosh(double complex z) +{ + int zineg = signbit(cimag(z)); + + z = cacos(z); + if (zineg) return CMPLX(cimag(z), -creal(z)); + else return CMPLX(-cimag(z), creal(z)); +} |