tanf
float tanf(float);
PROTO_STD_DEPRECATED(tanf);
test_odd_tol(ctanf, z, CMPLXL(tanf(nums[i]), 0), FLT_ULP());
test_odd_tol(ctanhf, z, CMPLXL(0, tanf(nums[i])), FLT_ULP());
ATF_CHECK(fabs(tanf(-f_pi_odd[i])) < FLT_EPSILON);
ATF_CHECK(fabs(tanf(f_pi_odd[i] * 2)) < FLT_EPSILON);
ATF_CHECK(fabs(tanf(-f_pi_odd[i] * 2)) < FLT_EPSILON);