testall_even_tol
testall_even_tol(ccosh, z, cpackl(cosh(nums[i]), 0), 0);
testall_even_tol(ccos, z, cpackl(cos(nums[i]),
testall_even_tol(ccosh, z, cpackl(cos(nums[i]),
testall_even_tol(ccos, z, cpackl(cosh(nums[i]), -0.0), 0);
testall_even_tol(ccosh, z,
testall_even_tol(ccosh, z,
testall_even_tol(cacos, z, CMPLXL(pi / 2, NAN), 1);