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75 lines
1.8 KiB
75 lines
1.8 KiB
#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#define _RNGXX_INLINE_ONLY
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#include <rngxx.h>
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static int next(rng_t* rng, const int* min, const int* max)
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{
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int output;
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if(rng_next_tyb(rng, &output, RNG_TY_INT32, RNG_TYQ_SIGNED, min, max)) return output;
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fprintf(stderr, "next<int>() failed\n");
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exit(-1);
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}
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#define TREF(x) ( (const __typeof(x)[]){ (x) } )
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int main()
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{
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rng_dyn_ctor_ref rcref = rng_ctor_ref("crand");
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rng_ctor_fn rctor = rng_ctor("crand");
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rng_t* engine = NULL;
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if(rctor) {
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printf("constructing direct\n");
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engine = rctor(TREF((u64)time(NULL)));
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} else {
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printf("constructing through ref\n");
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engine = rng_ctor_call(rcref, TREF((u64)time(NULL)));
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}
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if(!engine) {
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printf("fallback to `rng_new_named()`\n");
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engine = rng_new_named("crand", TREF((u64)time(NULL))); //rng_new(rng_kind_crand, (const u64[]){ time(null) });
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}
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if(!engine) {
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printf("fallback to static init\n");
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engine = rng_new(RNG_KIND_CRAND, (const u64[]){ time(NULL) });
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}
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if(!engine) {
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fprintf(stderr, "failed to create engine\n");
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return 1;
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}
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printf("%d %d %d\n", next(engine, NULL, TREF(100)), next(engine, TREF(10), TREF(20)), next(engine, NULL, NULL));
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printf("%ld\n", rng_next_i64(engine, NULL, NULL));
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printf("%lf\n", rng_next_f64(engine, TREF(1.0), TREF(100.0)));
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printf("%d\n", rng_next_bool(engine));
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rng_bool_t* array = rng_nextam_bool(engine, 100);
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if(!array) {
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fprintf(stderr, "failed to allocate for array\n");
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return 1;
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}
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for(int i=0;i<100;i++)
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printf("%d ", array[i]);
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printf("\n"); free(array);
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int ints[100];
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if(!rng_nexta_i32(engine, ints, 100, NULL, TREF(100))) {
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fprintf(stderr, "failed to compute int array\n");
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return 1;
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}
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for(size_t i=0;i<sizeof(ints)/sizeof(ints[0]);i++)
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printf("%d ", ints[i]);
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printf("\n");
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rng_free(engine);
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return 0;
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}
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