Remove some unnecessary static functions in carray.cuh

cupy · May 26, 2017 · 5756159 · 5756159
1 parent e309e43
commit 5756159
Showing 1 changed file with 7 additions and 9 deletions.
diff --git a/cupy/core/carray.cuh b/cupy/core/carray.cuh
@@ -85,17 +85,13 @@ public:
     return *this;
   }
 
-  static __device__ float16 copysign(float16 x, float16 y) {
+  friend __device__ float16 copysign(float16 x, float16 y) {
     float16 ret;
     ret.data_ = (x.data_ & 0x7fffu) | (y.data_ & 0x8000u);
     return ret;
   }
 
-  static __device__ int eq_nonan(const float16 x, const float16 y) {
-    return (x.data_ == y.data_ || ((x.data_ | y.data_) & 0x7fff) == 0);
-  }
-
-  static __device__ float16 nextafter(float16 x, float16 y) {
+  friend __device__ float16 nextafter(float16 x, float16 y) {
     float16 ret;
     if (!x.isfinite() || y.isnan()) {
       ret.data_ = nan;
@@ -116,6 +112,11 @@ public:
     }
     return ret;
   }
+
+private:
+  static __device__ int eq_nonan(const float16 x, const float16 y) {
+    return (x.data_ == y.data_ || ((x.data_ | y.data_) & 0x7fff) == 0);
+  }
 };
 
 __device__ float16 min(float16 x, float16 y) {
@@ -129,9 +130,6 @@ __device__ int isnan(float16 x) {return x.isnan();}
 __device__ int isinf(float16 x) {return x.isinf();}
 __device__ int isfinite(float16 x) {return x.isfinite();}
 __device__ int signbit(float16 x) {return x.signbit();}
-__device__ float16 copysign(float16 x, float16 y) {return float16::copysign(x, y);}
-__device__ float16 nextafter(float16 x, float16 y) {return float16::nextafter(x, y);}
-
 
 // CArray
 #define CUPY_FOR(i, n) \