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Fold LIBC_ALG into LIBC_MEM

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Justine Tunney 2022-08-13 08:32:34 -07:00
parent 7cf66bc161
commit 17aea99bb3
162 changed files with 265 additions and 430 deletions
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26
libc/mem/bisectcarleft.internal.h Normal file
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#ifndef COSMOPOLITAN_LIBC_ALG_BISECTCARLEFT_H_
#define COSMOPOLITAN_LIBC_ALG_BISECTCARLEFT_H_
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
/* TODO: DELETE */
forceinline int32_t bisectcarleft(const int32_t (*cons)[2], size_t count,
const int32_t key) {
size_t left = 0;
size_t right = count;
while (left < right) {
size_t m = (left + right) >> 1;
if (cons[m][0] < key) {
left = m + 1;
} else {
right = m;
}
}
if (left && (left == count || cons[left][0] > key)) left--;
return left;
}
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_ALG_BISECTCARLEFT_H_ */