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random.c: use uint32_t

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* random.c (struct MT, next_state): use uint32_t for the state
  vector.

* random.c (init_by_array, rand_init): ditto for initializing
  keys.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54920 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2016-05-05 15:00:05 +00:00
parent a22221caca
commit e1ce20cf9b
1 changed files with 5 additions and 5 deletions
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10
random.c
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@ -104,8 +104,8 @@ enum {MT_MAX_STATE = N};
struct MT {
/* assume int is enough to store 32bits */
unsigned int state[N]; /* the array for the state vector */
unsigned int *next;
uint32_t state[N]; /* the array for the state vector */
uint32_t *next;
int left;
};
@ -135,7 +135,7 @@ init_genrand(struct MT *mt, unsigned int s)
/* key_length is its length */
/* slight change for C++, 2004/2/26 */
static void
init_by_array(struct MT *mt, unsigned int init_key[], int key_length)
init_by_array(struct MT *mt, uint32_t init_key[], int key_length)
{
int i, j, k;
init_genrand(mt, 19650218U);
@ -163,7 +163,7 @@ init_by_array(struct MT *mt, unsigned int init_key[], int key_length)
static void
next_state(struct MT *mt)
{
unsigned int *p = mt->state;
uint32_t *p = mt->state;
int j;
mt->left = N;
@ -391,7 +391,7 @@ rand_init(struct MT *mt, VALUE vseed)
len = rb_absint_numwords(seed, 32, NULL);
if (len > numberof(buf0))
buf = ALLOC_N(unsigned int, len);
buf = ALLOC_N(uint32_t, len);
sign = rb_integer_pack(seed, buf, len, sizeof(uint32_t), 0,
INTEGER_PACK_LSWORD_FIRST|INTEGER_PACK_NATIVE_BYTE_ORDER);
if (sign < 0)