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git.proxmox.com Git - rustc.git/blob - src/test/ui/issues/issue-2214.rs
2 // ignore-wasm32-bare no libc to test ffi with
4 #![feature(rustc_private)]
9 use libc
::{c_double, c_int}
;
11 fn to_c_int(v
: &mut isize) -> &mut c_int
{
13 mem
::transmute_copy(&v
)
17 fn lgamma(n
: c_double
, value
: &mut isize) -> c_double
{
19 return m
::lgamma(n
, to_c_int(value
));
24 use libc
::{c_double, c_int}
;
27 #[cfg(any(all(unix, not(target_os = "vxworks")), target_os = "cloudabi"))]
28 #[link_name="lgamma_r"]
29 pub fn lgamma(n
: c_double
, sign
: &mut c_int
) -> c_double
;
32 pub fn lgamma(n
: c_double
, sign
: &mut c_int
) -> c_double
;
33 #[cfg(target_os = "vxworks")]
35 pub fn lgamma(n
: c_double
, sign
: &mut c_int
) -> c_double
;
41 let x
: &mut isize = &mut y
;
42 assert_eq
!(lgamma(1.0 as c_double
, x
), 0.0 as c_double
);