forked from personal/squiggle.c
31 lines
865 B
C
31 lines
865 B
C
#include "../../../squiggle.h"
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#include "../../../squiggle_more.h"
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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// Estimate functions
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int main()
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{
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// set randomness seed
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// uint64_t* seed = malloc(sizeof(uint64_t));
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// *seed = 1000; // xorshift can't start with 0
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// ^ not necessary, because parallel_sampler takes care of the seed.
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int n_samples = 1000 * 1000 * 1000;
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int n_threads = 16;
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double sampler(uint64_t* seed){
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return sample_lognormal(0, 10, seed);
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}
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double* results = malloc(n_samples * sizeof(double));
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parallel_sampler(sampler, results, n_threads, n_samples);
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double avg = array_sum(results, n_samples)/n_samples;
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printf("Average of 1B lognormal(0,10): %f", avg);
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free(results);
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// free(seed);
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// ^ not necessary, because parallel_sampler takes care of the seed.
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}
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