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author | Mattias Andrée <maandree@kth.se> | 2024-01-29 07:32:29 +0100 |
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committer | Mattias Andrée <maandree@kth.se> | 2024-01-29 17:38:32 +0100 |
commit | cb4b8137902b7c89872f8face7b47704f932b807 (patch) | |
tree | aff0ef17c94de69cb818b4635338b792cdae534a /random_bits.c | |
parent | Add libsimple_generate_seed and libsimple_srand (diff) | |
download | libsimple-cb4b8137902b7c89872f8face7b47704f932b807.tar.gz libsimple-cb4b8137902b7c89872f8face7b47704f932b807.tar.bz2 libsimple-cb4b8137902b7c89872f8face7b47704f932b807.tar.xz |
Add to*, *diff, *abs, *uabs, and random_{bits,float,signed,unsigned}
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to '')
-rw-r--r-- | random_bits.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/random_bits.c b/random_bits.c new file mode 100644 index 0000000..528b09e --- /dev/null +++ b/random_bits.c @@ -0,0 +1,34 @@ +/* See LICENSE file for copyright and license details. */ +#include "common.h" +#ifndef TEST + + +uintmax_t +libsimple_random_bits(size_t bits, void *unused) +{ + uintmax_t ret = 0; + + while (bits >= 8) { + ret <<= 8; + ret |= (uintmax_t)(rand() & 0xFF); + bits -= 8; + } + + ret <<= bits; + ret |= (uintmax_t)(rand() & ((1 << bits) - 1)); + + (void) unused; + return ret; +} + + +#else +#include "test.h" + +int +main(void) +{ + return 0; +} + +#endif |