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-rw-r--r--web/server/h2o/libh2o/deps/mruby/mrbgems/mruby-random/src/random.c349
1 files changed, 0 insertions, 349 deletions
diff --git a/web/server/h2o/libh2o/deps/mruby/mrbgems/mruby-random/src/random.c b/web/server/h2o/libh2o/deps/mruby/mrbgems/mruby-random/src/random.c
deleted file mode 100644
index b865244cc..000000000
--- a/web/server/h2o/libh2o/deps/mruby/mrbgems/mruby-random/src/random.c
+++ /dev/null
@@ -1,349 +0,0 @@
-/*
-** random.c - Random module
-**
-** See Copyright Notice in mruby.h
-*/
-
-#include <mruby.h>
-#include <mruby/variable.h>
-#include <mruby/class.h>
-#include <mruby/data.h>
-#include <mruby/array.h>
-#include "mt19937ar.h"
-
-#include <time.h>
-
-static char const MT_STATE_KEY[] = "$mrb_i_mt_state";
-
-static const struct mrb_data_type mt_state_type = {
- MT_STATE_KEY, mrb_free,
-};
-
-static mrb_value mrb_random_rand(mrb_state *mrb, mrb_value self);
-static mrb_value mrb_random_srand(mrb_state *mrb, mrb_value self);
-
-static void
-mt_srand(mt_state *t, unsigned long seed)
-{
- mrb_random_init_genrand(t, seed);
-}
-
-static unsigned long
-mt_rand(mt_state *t)
-{
- return mrb_random_genrand_int32(t);
-}
-
-static double
-mt_rand_real(mt_state *t)
-{
- return mrb_random_genrand_real1(t);
-}
-
-static mrb_value
-mrb_random_mt_srand(mrb_state *mrb, mt_state *t, mrb_value seed)
-{
- if (mrb_nil_p(seed)) {
- seed = mrb_fixnum_value((mrb_int)(time(NULL) + mt_rand(t)));
- if (mrb_fixnum(seed) < 0) {
- seed = mrb_fixnum_value(0 - mrb_fixnum(seed));
- }
- }
-
- mt_srand(t, (unsigned) mrb_fixnum(seed));
-
- return seed;
-}
-
-static mrb_value
-mrb_random_mt_rand(mrb_state *mrb, mt_state *t, mrb_value max)
-{
- mrb_value value;
-
- if (mrb_fixnum(max) == 0) {
- value = mrb_float_value(mrb, mt_rand_real(t));
- }
- else {
- value = mrb_fixnum_value(mt_rand(t) % mrb_fixnum(max));
- }
-
- return value;
-}
-
-static mrb_value
-get_opt(mrb_state* mrb)
-{
- mrb_value arg;
-
- arg = mrb_nil_value();
- mrb_get_args(mrb, "|o", &arg);
-
- if (!mrb_nil_p(arg)) {
- arg = mrb_check_convert_type(mrb, arg, MRB_TT_FIXNUM, "Fixnum", "to_int");
- if (mrb_nil_p(arg)) {
- mrb_raise(mrb, E_ARGUMENT_ERROR, "invalid argument type");
- }
- if (mrb_fixnum(arg) < 0) {
- arg = mrb_fixnum_value(0 - mrb_fixnum(arg));
- }
- }
- return arg;
-}
-
-static mrb_value
-get_random(mrb_state *mrb) {
- return mrb_const_get(mrb,
- mrb_obj_value(mrb_class_get(mrb, "Random")),
- mrb_intern_lit(mrb, "DEFAULT"));
-}
-
-static mt_state *
-get_random_state(mrb_state *mrb)
-{
- mrb_value random_val = get_random(mrb);
- return DATA_GET_PTR(mrb, random_val, &mt_state_type, mt_state);
-}
-
-static mrb_value
-mrb_random_g_rand(mrb_state *mrb, mrb_value self)
-{
- mrb_value random = get_random(mrb);
- return mrb_random_rand(mrb, random);
-}
-
-static mrb_value
-mrb_random_g_srand(mrb_state *mrb, mrb_value self)
-{
- mrb_value random = get_random(mrb);
- return mrb_random_srand(mrb, random);
-}
-
-static mrb_value
-mrb_random_init(mrb_state *mrb, mrb_value self)
-{
- mrb_value seed;
- mt_state *t;
-
- seed = get_opt(mrb);
-
- /* avoid memory leaks */
- t = (mt_state*)DATA_PTR(self);
- if (t) {
- mrb_free(mrb, t);
- }
- mrb_data_init(self, NULL, &mt_state_type);
-
- t = (mt_state *)mrb_malloc(mrb, sizeof(mt_state));
- t->mti = N + 1;
-
- seed = mrb_random_mt_srand(mrb, t, seed);
- if (mrb_nil_p(seed)) {
- t->has_seed = FALSE;
- }
- else {
- mrb_assert(mrb_fixnum_p(seed));
- t->has_seed = TRUE;
- t->seed = mrb_fixnum(seed);
- }
-
- mrb_data_init(self, t, &mt_state_type);
-
- return self;
-}
-
-static void
-mrb_random_rand_seed(mrb_state *mrb, mt_state *t)
-{
- if (!t->has_seed) {
- mrb_random_mt_srand(mrb, t, mrb_nil_value());
- }
-}
-
-static mrb_value
-mrb_random_rand(mrb_state *mrb, mrb_value self)
-{
- mrb_value max;
- mt_state *t = DATA_GET_PTR(mrb, self, &mt_state_type, mt_state);
-
- max = get_opt(mrb);
- mrb_random_rand_seed(mrb, t);
- return mrb_random_mt_rand(mrb, t, max);
-}
-
-static mrb_value
-mrb_random_srand(mrb_state *mrb, mrb_value self)
-{
- mrb_value seed;
- mrb_value old_seed;
- mt_state *t = DATA_GET_PTR(mrb, self, &mt_state_type, mt_state);
-
- seed = get_opt(mrb);
- seed = mrb_random_mt_srand(mrb, t, seed);
- old_seed = t->has_seed? mrb_fixnum_value(t->seed) : mrb_nil_value();
- if (mrb_nil_p(seed)) {
- t->has_seed = FALSE;
- }
- else {
- mrb_assert(mrb_fixnum_p(seed));
- t->has_seed = TRUE;
- t->seed = mrb_fixnum(seed);
- }
-
- return old_seed;
-}
-
-/*
- * call-seq:
- * ary.shuffle! -> ary
- *
- * Shuffles elements in self in place.
- */
-
-static mrb_value
-mrb_ary_shuffle_bang(mrb_state *mrb, mrb_value ary)
-{
- mrb_int i;
- mt_state *random = NULL;
-
- if (RARRAY_LEN(ary) > 1) {
- mrb_get_args(mrb, "|d", &random, &mt_state_type);
-
- if (random == NULL) {
- random = get_random_state(mrb);
- }
- mrb_random_rand_seed(mrb, random);
-
- mrb_ary_modify(mrb, mrb_ary_ptr(ary));
-
- for (i = RARRAY_LEN(ary) - 1; i > 0; i--) {
- mrb_int j;
- mrb_value *ptr = RARRAY_PTR(ary);
- mrb_value tmp;
-
-
- j = mrb_fixnum(mrb_random_mt_rand(mrb, random, mrb_fixnum_value(RARRAY_LEN(ary))));
-
- tmp = ptr[i];
- ptr[i] = ptr[j];
- ptr[j] = tmp;
- }
- }
-
- return ary;
-}
-
-/*
- * call-seq:
- * ary.shuffle -> new_ary
- *
- * Returns a new array with elements of self shuffled.
- */
-
-static mrb_value
-mrb_ary_shuffle(mrb_state *mrb, mrb_value ary)
-{
- mrb_value new_ary = mrb_ary_new_from_values(mrb, RARRAY_LEN(ary), RARRAY_PTR(ary));
- mrb_ary_shuffle_bang(mrb, new_ary);
-
- return new_ary;
-}
-
-/*
- * call-seq:
- * ary.sample -> obj
- * ary.sample(n) -> new_ary
- *
- * Choose a random element or +n+ random elements from the array.
- *
- * The elements are chosen by using random and unique indices into the array
- * in order to ensure that an element doesn't repeat itself unless the array
- * already contained duplicate elements.
- *
- * If the array is empty the first form returns +nil+ and the second form
- * returns an empty array.
- */
-
-static mrb_value
-mrb_ary_sample(mrb_state *mrb, mrb_value ary)
-{
- mrb_int n = 0;
- mrb_bool given;
- mt_state *random = NULL;
- mrb_int len;
-
- mrb_get_args(mrb, "|i?d", &n, &given, &random, &mt_state_type);
- if (random == NULL) {
- random = get_random_state(mrb);
- }
- mrb_random_rand_seed(mrb, random);
- mt_rand(random);
- len = RARRAY_LEN(ary);
- if (!given) { /* pick one element */
- switch (len) {
- case 0:
- return mrb_nil_value();
- case 1:
- return RARRAY_PTR(ary)[0];
- default:
- return RARRAY_PTR(ary)[mt_rand(random) % len];
- }
- }
- else {
- mrb_value result;
- mrb_int i, j;
-
- if (n < 0) mrb_raise(mrb, E_ARGUMENT_ERROR, "negative sample number");
- if (n > len) n = len;
- result = mrb_ary_new_capa(mrb, n);
- for (i=0; i<n; i++) {
- mrb_int r;
-
- for (;;) {
- retry:
- r = mt_rand(random) % len;
-
- for (j=0; j<i; j++) {
- if (mrb_fixnum(RARRAY_PTR(result)[j]) == r) {
- goto retry; /* retry if duplicate */
- }
- }
- break;
- }
- mrb_ary_push(mrb, result, mrb_fixnum_value(r));
- }
- for (i=0; i<n; i++) {
- mrb_ary_set(mrb, result, i, RARRAY_PTR(ary)[mrb_fixnum(RARRAY_PTR(result)[i])]);
- }
- return result;
- }
-}
-
-
-void mrb_mruby_random_gem_init(mrb_state *mrb)
-{
- struct RClass *random;
- struct RClass *array = mrb->array_class;
-
- mrb_define_method(mrb, mrb->kernel_module, "rand", mrb_random_g_rand, MRB_ARGS_OPT(1));
- mrb_define_method(mrb, mrb->kernel_module, "srand", mrb_random_g_srand, MRB_ARGS_OPT(1));
-
- random = mrb_define_class(mrb, "Random", mrb->object_class);
- MRB_SET_INSTANCE_TT(random, MRB_TT_DATA);
- mrb_define_class_method(mrb, random, "rand", mrb_random_g_rand, MRB_ARGS_OPT(1));
- mrb_define_class_method(mrb, random, "srand", mrb_random_g_srand, MRB_ARGS_OPT(1));
-
- mrb_define_method(mrb, random, "initialize", mrb_random_init, MRB_ARGS_OPT(1));
- mrb_define_method(mrb, random, "rand", mrb_random_rand, MRB_ARGS_OPT(1));
- mrb_define_method(mrb, random, "srand", mrb_random_srand, MRB_ARGS_OPT(1));
-
- mrb_define_method(mrb, array, "shuffle", mrb_ary_shuffle, MRB_ARGS_OPT(1));
- mrb_define_method(mrb, array, "shuffle!", mrb_ary_shuffle_bang, MRB_ARGS_OPT(1));
- mrb_define_method(mrb, array, "sample", mrb_ary_sample, MRB_ARGS_OPT(2));
-
- mrb_const_set(mrb, mrb_obj_value(random), mrb_intern_lit(mrb, "DEFAULT"),
- mrb_obj_new(mrb, random, 0, NULL));
-}
-
-void mrb_mruby_random_gem_final(mrb_state *mrb)
-{
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-30 21:45:41 +0000