cosmopolitan/libc/conv/itoa.h

33 lines
1.6 KiB
C

#ifndef COSMOPOLITAN_LIBC_CONV_ITOA_H_
#define COSMOPOLITAN_LIBC_CONV_ITOA_H_
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
/*───────────────────────────────────────────────────────────────────────────│─╗
│ cosmopolitan § integer conversion ─╬─│┼
╚────────────────────────────────────────────────────────────────────────────│─╝
FASTEST + TINY
- uint64toarray_radix10(0x31337, a) l: 68 (20ns) m: 112 (33ns)
- int64toarray_radix10(0x31337, a) l: 69 (20ns) m: 134 (39ns)
FAST + AWESOME
- snprintf(a, sizeof(a), "%d", 0x31337) l: 199 (58ns) m: 421 (123ns)
- uint128toarray_radix10(0x31337, a) l: 93 (27ns) m: 141 (41ns)
- int128toarray_radix10(0x31337, a) l: 96 (28ns) m: 173 (51ns) */
size_t int64toarray_radix10(int64_t, char[hasatleast 21]);
size_t uint64toarray_radix10(uint64_t, char[hasatleast 21]);
size_t uint64toarray_radix16(uint64_t, char[hasatleast 17]);
size_t uint64toarray_fixed16(uint64_t, char[hasatleast 17], uint8_t);
size_t uint64toarray_radix8(uint64_t, char[hasatleast 24]);
#ifndef __STRICT_ANSI__
size_t int128toarray_radix10(int128_t, char *);
size_t uint128toarray_radix10(uint128_t, char *);
#endif
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_CONV_ITOA_H_ */