1 
2 #define _CLC_ISNAN_DECL(RET_TYPE, ARG_TYPE) \
3   _CLC_OVERLOAD _CLC_DECL RET_TYPE isnan(ARG_TYPE);
4 
5 #define _CLC_VECTOR_ISNAN_DECL(RET_TYPE, ARG_TYPE) \
6   _CLC_ISNAN_DECL(RET_TYPE##2, ARG_TYPE##2) \
7   _CLC_ISNAN_DECL(RET_TYPE##3, ARG_TYPE##3) \
8   _CLC_ISNAN_DECL(RET_TYPE##4, ARG_TYPE##4) \
9   _CLC_ISNAN_DECL(RET_TYPE##8, ARG_TYPE##8) \
10   _CLC_ISNAN_DECL(RET_TYPE##16, ARG_TYPE##16)
11 
12 _CLC_ISNAN_DECL(int, float)
13 _CLC_VECTOR_ISNAN_DECL(int, float)
14 
15 #ifdef cl_khr_fp64
16 _CLC_ISNAN_DECL(int, double)
17 _CLC_VECTOR_ISNAN_DECL(long, double)
18 #endif
19 
20 #ifdef cl_khr_fp16
21 _CLC_ISNAN_DECL(int, half)
22 _CLC_VECTOR_ISNAN_DECL(short, half)
23 #endif
24 
25 #undef _CLC_ISNAN_DECL
26 #undef _CLC_VECTOR_ISNAN_DECL
27