21 #define IS_ODD(a)            ((a) & 0x1)  argument
22 #define IS_EVEN(a)           (!IS_ODD(a))  argument
32 #define IMPLIES(a, b)        (!(a) || (b))  argument
36 #define MAX(a, b)            (((a) > (b)) ? (a) : (b))  argument
37 #define MIN(a, b)            (((a) < (b)) ? (a) : (b))  argument
39 #define ROUND_DIV(a, b)      (((b) != 0) ? ((a) + ((b) >> 1)) / (b) : 0)  argument
40 #define CEIL_DIV(a, b)       (((b) != 0) ? ((a) + (b) - 1) / (b) : 0)  argument
41 #define CEIL_MUL(a, b)       (CEIL_DIV(a, b) * (b))  argument
42 #define CEIL_MUL2(a, b)      (((a) + (b) - 1) & ~((b) - 1))  argument
43 #define CEIL_SHIFT(a, b)     (((a) + (1 << (b)) - 1) >> (b))  argument
44 #define CEIL_SHIFT_MUL(a, b) (CEIL_SHIFT(a, b) << (b))  argument
45 #define ROUND_HALF_DOWN_DIV(a, b)	(((b) != 0) ? ((a) + (b / 2) - 1) / (b) : 0)  argument
46 #define ROUND_HALF_DOWN_MUL(a, b)	(ROUND_HALF_DOWN_DIV(a, b) * (b))  argument
74 #define ceil_div(a, b)		(CEIL_DIV(a, b))  argument
76 static inline unsigned int ceil_mul(unsigned int a, unsigned int b)  in ceil_mul()  argument
78 	return CEIL_MUL(a, b);  in ceil_mul()
81 static inline unsigned int ceil_mul2(unsigned int a, unsigned int b)  in ceil_mul2()  argument
83 	return CEIL_MUL2(a, b);  in ceil_mul2()
86 static inline unsigned int ceil_shift(unsigned int a, unsigned int b)  in ceil_shift()  argument
88 	return CEIL_SHIFT(a, b);  in ceil_shift()
91 static inline unsigned int ceil_shift_mul(unsigned int a, unsigned int b)  in ceil_shift_mul()  argument
93 	return CEIL_SHIFT_MUL(a, b);  in ceil_shift_mul()
97 static inline unsigned int round_half_down_div(unsigned int a, unsigned int b)  in round_half_down_div()  argument
99 	return ROUND_HALF_DOWN_DIV(a, b);  in round_half_down_div()
103 static inline unsigned int round_half_down_mul(unsigned int a, unsigned int b)  in round_half_down_mul()  argument
105 	return ROUND_HALF_DOWN_MUL(a, b);  in round_half_down_mul()
126 static inline unsigned int ceil_pow2(unsigned int a)  in ceil_pow2()  argument
128 	if (a == 0) {  in ceil_pow2()
132 	else if ((!((a) & ((a) - 1)))) {  in ceil_pow2()
133 		return a;  in ceil_pow2()
135 		unsigned int v = a;  in ceil_pow2()