simplify

Author: frasercrmck

libclc/clc/include/clc/common/unary_def.inc

@@ -1,6 +1,8 @@
 #include <clc/utils.h>
 
+#ifndef __CLC_FUNCTION
 #define __CLC_FUNCTION(x) __CLC_CONCAT(__clc_, x)
+#endif
 
 _CLC_OVERLOAD _CLC_DEF __CLC_FLOATN FUNCTION(__CLC_FLOATN a) {
   return __CLC_FUNCTION(FUNCTION)(a);

libclc/generic/lib/common/sign.cl

@@ -2,18 +2,7 @@
 #include <clc/clcmacro.h>
 #include <clc/common/clc_sign.h>
 
-_CLC_DEFINE_UNARY_BUILTIN(float, sign, __clc_sign, float)
+#define FUNCTION sign
+#define __CLC_BODY "unary_def.inc"
 
-#ifdef cl_khr_fp64
-#pragma OPENCL EXTENSION cl_khr_fp64 : enable
-
-_CLC_DEFINE_UNARY_BUILTIN(double, sign, __clc_sign, double)
-
-#endif
-
-#ifdef cl_khr_fp16
-#pragma OPENCL EXTENSION cl_khr_fp16 : enable
-
-_CLC_DEFINE_UNARY_BUILTIN(half, sign, __clc_sign, half)
-
-#endif
+#include <clc/common/floatn.inc>