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encapsulate isaac RNG in rust_rng struct

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This commit is contained in:
Chris Peterson
2013-02-14 00:48:40 -08:00
parent f4320b6195
commit 665e900ede
6 changed files with 47 additions and 33 deletions
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28
src/rt/rust_builtin.cpp
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@@ -135,7 +135,7 @@ rand_seed() {
rust_vec *v = (rust_vec *) task->kernel->malloc(vec_size<uint8_t>(size),
"rand_seed");
v->fill = v->alloc = size;
isaac_seed(task->kernel, (uint8_t*) &v->data, size);
rng_gen_seed(task->kernel, (uint8_t*) &v->data, size);
return v;
}
@@ -143,27 +143,27 @@ extern "C" CDECL void *
rand_new() {
rust_task *task = rust_get_current_task();
rust_sched_loop *thread = task->sched_loop;
randctx *rctx = (randctx *) task->malloc(sizeof(randctx), "rand_new");
if (!rctx) {
rust_rng *rng = (rust_rng *) task->malloc(sizeof(rust_rng), "rand_new");
if (!rng) {
task->fail();
return NULL;
}
isaac_init(thread->kernel, rctx, NULL);
return rctx;
rng_init(thread->kernel, rng, NULL);
return rng;
}
extern "C" CDECL void *
rand_new_seeded(rust_vec_box* seed) {
rust_task *task = rust_get_current_task();
rust_sched_loop *thread = task->sched_loop;
randctx *rctx = (randctx *) task->malloc(sizeof(randctx),
"rand_new_seeded");
if (!rctx) {
rust_rng *rng = (rust_rng *) task->malloc(sizeof(rust_rng),
"rand_new_seeded");
if (!rng) {
task->fail();
return NULL;
}
isaac_init(thread->kernel, rctx, seed);
return rctx;
rng_init(thread->kernel, rng, seed);
return rng;
}
extern "C" CDECL void *
@@ -172,14 +172,14 @@ rand_new_seeded2(rust_vec_box** seed) {
}
extern "C" CDECL uint32_t
rand_next(randctx *rctx) {
return isaac_rand(rctx);
rand_next(rust_rng *rng) {
return rng_gen_u32(rng);
}
extern "C" CDECL void
rand_free(randctx *rctx) {
rand_free(rust_rng *rng) {
rust_task *task = rust_get_current_task();
task->free(rctx);
task->free(rng);
}