1 #define _CLC_CONVERT_DECL(FROM_TYPE, TO_TYPE, SUFFIX) \
2   _CLC_OVERLOAD _CLC_DECL TO_TYPE convert_##TO_TYPE##SUFFIX(FROM_TYPE x);
3 
4 #define _CLC_VECTOR_CONVERT_DECL(FROM_TYPE, TO_TYPE, SUFFIX) \
5   _CLC_CONVERT_DECL(FROM_TYPE, TO_TYPE, SUFFIX) \
6   _CLC_CONVERT_DECL(FROM_TYPE##2, TO_TYPE##2, SUFFIX) \
7   _CLC_CONVERT_DECL(FROM_TYPE##3, TO_TYPE##3, SUFFIX) \
8   _CLC_CONVERT_DECL(FROM_TYPE##4, TO_TYPE##4, SUFFIX) \
9   _CLC_CONVERT_DECL(FROM_TYPE##8, TO_TYPE##8, SUFFIX) \
10   _CLC_CONVERT_DECL(FROM_TYPE##16, TO_TYPE##16, SUFFIX)
11 
12 #define _CLC_VECTOR_CONVERT_FROM1(FROM_TYPE, SUFFIX) \
13   _CLC_VECTOR_CONVERT_DECL(FROM_TYPE, char, SUFFIX) \
14   _CLC_VECTOR_CONVERT_DECL(FROM_TYPE, uchar, SUFFIX) \
15   _CLC_VECTOR_CONVERT_DECL(FROM_TYPE, int, SUFFIX) \
16   _CLC_VECTOR_CONVERT_DECL(FROM_TYPE, uint, SUFFIX) \
17   _CLC_VECTOR_CONVERT_DECL(FROM_TYPE, short, SUFFIX) \
18   _CLC_VECTOR_CONVERT_DECL(FROM_TYPE, ushort, SUFFIX) \
19   _CLC_VECTOR_CONVERT_DECL(FROM_TYPE, long, SUFFIX) \
20   _CLC_VECTOR_CONVERT_DECL(FROM_TYPE, ulong, SUFFIX) \
21   _CLC_VECTOR_CONVERT_DECL(FROM_TYPE, float, SUFFIX)
22 
23 #ifdef cl_khr_fp64
24 #define _CLC_VECTOR_CONVERT_FROM(FROM_TYPE, SUFFIX) \
25   _CLC_VECTOR_CONVERT_FROM1(FROM_TYPE, SUFFIX) \
26   _CLC_VECTOR_CONVERT_DECL(FROM_TYPE, double, SUFFIX)
27 #else
28 #define _CLC_VECTOR_CONVERT_FROM(FROM_TYPE, SUFFIX) \
29   _CLC_VECTOR_CONVERT_FROM1(FROM_TYPE, SUFFIX)
30 #endif
31 
32 #define _CLC_VECTOR_CONVERT_TO1(SUFFIX) \
33   _CLC_VECTOR_CONVERT_FROM(char, SUFFIX) \
34   _CLC_VECTOR_CONVERT_FROM(uchar, SUFFIX) \
35   _CLC_VECTOR_CONVERT_FROM(int, SUFFIX) \
36   _CLC_VECTOR_CONVERT_FROM(uint, SUFFIX) \
37   _CLC_VECTOR_CONVERT_FROM(short, SUFFIX) \
38   _CLC_VECTOR_CONVERT_FROM(ushort, SUFFIX) \
39   _CLC_VECTOR_CONVERT_FROM(long, SUFFIX) \
40   _CLC_VECTOR_CONVERT_FROM(ulong, SUFFIX) \
41   _CLC_VECTOR_CONVERT_FROM(float, SUFFIX)
42 
43 #ifdef cl_khr_fp64
44 #define _CLC_VECTOR_CONVERT_TO(SUFFIX) \
45   _CLC_VECTOR_CONVERT_TO1(SUFFIX) \
46   _CLC_VECTOR_CONVERT_FROM(double, SUFFIX)
47 #else
48 #define _CLC_VECTOR_CONVERT_TO(SUFFIX) \
49   _CLC_VECTOR_CONVERT_TO1(SUFFIX)
50 #endif
51 
52 #define _CLC_VECTOR_CONVERT_TO_SUFFIX(ROUND) \
53   _CLC_VECTOR_CONVERT_TO(_sat##ROUND) \
54   _CLC_VECTOR_CONVERT_TO(ROUND)
55 
56 _CLC_VECTOR_CONVERT_TO_SUFFIX(_rtn)
57 _CLC_VECTOR_CONVERT_TO_SUFFIX(_rte)
58 _CLC_VECTOR_CONVERT_TO_SUFFIX(_rtz)
59 _CLC_VECTOR_CONVERT_TO_SUFFIX(_rtp)
60 _CLC_VECTOR_CONVERT_TO_SUFFIX()
61