12 #define UNROLL(N, MACRO, args...) CONCATENATE(__UNROLL_, N)(MACRO, args)  argument
14 #define __UNROLL_0(MACRO, args...)  argument
15 #define __UNROLL_1(MACRO, args...)  __UNROLL_0(MACRO, args)  MACRO(0, args)  argument
16 #define __UNROLL_2(MACRO, args...)  __UNROLL_1(MACRO, args)  MACRO(1, args)  argument
17 #define __UNROLL_3(MACRO, args...)  __UNROLL_2(MACRO, args)  MACRO(2, args)  argument
18 #define __UNROLL_4(MACRO, args...)  __UNROLL_3(MACRO, args)  MACRO(3, args)  argument
19 #define __UNROLL_5(MACRO, args...)  __UNROLL_4(MACRO, args)  MACRO(4, args)  argument
20 #define __UNROLL_6(MACRO, args...)  __UNROLL_5(MACRO, args)  MACRO(5, args)  argument
21 #define __UNROLL_7(MACRO, args...)  __UNROLL_6(MACRO, args)  MACRO(6, args)  argument
22 #define __UNROLL_8(MACRO, args...)  __UNROLL_7(MACRO, args)  MACRO(7, args)  argument
23 #define __UNROLL_9(MACRO, args...)  __UNROLL_8(MACRO, args)  MACRO(8, args)  argument
24 #define __UNROLL_10(MACRO, args...) __UNROLL_9(MACRO, args)  MACRO(9, args)  argument
25 #define __UNROLL_11(MACRO, args...) __UNROLL_10(MACRO, args) MACRO(10, args)  argument
26 #define __UNROLL_12(MACRO, args...) __UNROLL_11(MACRO, args) MACRO(11, args)  argument
27 #define __UNROLL_13(MACRO, args...) __UNROLL_12(MACRO, args) MACRO(12, args)  argument
28 #define __UNROLL_14(MACRO, args...) __UNROLL_13(MACRO, args) MACRO(13, args)  argument
29 #define __UNROLL_15(MACRO, args...) __UNROLL_14(MACRO, args) MACRO(14, args)  argument
30 #define __UNROLL_16(MACRO, args...) __UNROLL_15(MACRO, args) MACRO(15, args)  argument
31 #define __UNROLL_17(MACRO, args...) __UNROLL_16(MACRO, args) MACRO(16, args)  argument
32 #define __UNROLL_18(MACRO, args...) __UNROLL_17(MACRO, args) MACRO(17, args)  argument
33 #define __UNROLL_19(MACRO, args...) __UNROLL_18(MACRO, args) MACRO(18, args)  argument
34 #define __UNROLL_20(MACRO, args...) __UNROLL_19(MACRO, args) MACRO(19, args)  argument