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-rw-r--r--std/math/complex/acosh.zig1
1 files changed, 1 insertions, 0 deletions
diff --git a/std/math/complex/acosh.zig b/std/math/complex/acosh.zig
index e72bf431fe..6f0fd2e36c 100644
--- a/std/math/complex/acosh.zig
+++ b/std/math/complex/acosh.zig
@@ -4,6 +4,7 @@ const math = std.math;
const cmath = math.complex;
const Complex = cmath.Complex;
+/// Returns the hyperbolic arc-cosine of z.
pub fn acosh(z: var) Complex(@typeOf(z.re)) {
const T = @typeOf(z.re);
const q = cmath.acos(z);