File size: 920 Bytes
51250cb | 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 | #pragma once
#include <assert.h>
#include <stddef.h>
#include <stdint.h>
inline static size_t math_ceil_div(size_t numer, size_t denom) {
return (numer + denom - 1) / denom;
}
inline static size_t math_max(size_t a, size_t b) {
return a >= b ? a : b;
}
inline static size_t math_min(size_t a, size_t b) {
return a < b ? a : b;
}
inline static size_t math_sub_sat(size_t a, size_t b) {
return a > b ? a - b : 0;
}
static size_t math_round_down_po2(size_t number, size_t multiple) {
assert(multiple != 0);
assert((multiple & (multiple - 1)) == 0);
return number & -multiple;
}
static size_t math_round_up_po2(size_t number, size_t multiple) {
assert(multiple != 0);
assert((multiple & (multiple - 1)) == 0);
const size_t multiple_mask = multiple - 1;
if ((number & multiple_mask) != 0) {
number |= multiple_mask;
number += 1;
}
return number;
}
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