1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
#ifndef KIT_LOWER_BOUND_H
#define KIT_LOWER_BOUND_H
#include "types.h"
#ifdef __cplusplus
extern "C" {
#endif
#define KIT_LOWER_BOUND_INL(return_val, size, ...) \
do { \
i64 position_ = 0; \
i64 count_ = (size); \
while (count_ > 0) { \
i64 delta_ = count_ / 2; \
i64 index_ = position_ + delta_; \
if (__VA_ARGS__) { \
position_ += delta_ + 1; \
count_ -= delta_ + 1; \
} else \
count_ = delta_; \
} \
(return_val) = position_; \
} while (0)
#define KIT_LOWER_BOUND(return_val, array, value, op) \
KIT_LOWER_BOUND_INL(return_val, (array).size, \
(op) ((array).values[index_], (value)))
#define KIT_LOWER_BOUND_REF(return_val, array, value, op) \
KIT_LOWER_BOUND_INL(return_val, (array).size, \
(op) ((array).values + index_, (value)))
#ifdef __cplusplus
}
#endif
#define LOWER_BOUND_INL KIT_LOWER_BOUND_INL
#define LOWER_BOUND KIT_LOWER_BOUND
#define LOWER_BOUND_REF KIT_LOWER_BOUND_REF
#endif
|
