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-rw-r--r--library/std/src/sys/windows/cmath.rs6
1 files changed, 5 insertions, 1 deletions
diff --git a/library/std/src/sys/windows/cmath.rs b/library/std/src/sys/windows/cmath.rs
index 43ab8c7ee65..1b2a86f3c0e 100644
--- a/library/std/src/sys/windows/cmath.rs
+++ b/library/std/src/sys/windows/cmath.rs
@@ -1,6 +1,6 @@
 #![cfg(not(test))]
 
-use libc::{c_double, c_float};
+use libc::{c_double, c_float, c_int};
 
 extern "C" {
     pub fn acos(n: c_double) -> c_double;
@@ -23,6 +23,10 @@ extern "C" {
     pub fn sinh(n: c_double) -> c_double;
     pub fn tan(n: c_double) -> c_double;
     pub fn tanh(n: c_double) -> c_double;
+    pub fn tgamma(n: c_double) -> c_double;
+    pub fn tgammaf(n: c_float) -> c_float;
+    pub fn lgamma_r(n: c_double, s: &mut c_int) -> c_double;
+    pub fn lgammaf_r(n: c_float, s: &mut c_int) -> c_float;
 }
 
 pub use self::shims::*;