forked from personal/squiggle.c
39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
#include "../../../squiggle.h"
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#include "../../../squiggle_more.h"
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#include <stdio.h>
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#include <stdlib.h>
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int main()
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{
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double p_a = 0.8;
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double p_b = 0.5;
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double p_c = p_a * p_b;
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double sample_0(uint64_t * seed)
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{
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UNUSED(seed);
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return 0;
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}
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double sample_1(uint64_t * seed)
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{
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UNUSED(seed);
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return 1;
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}
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double sample_few(uint64_t * seed) { return sample_to(1, 3, seed); }
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double sample_many(uint64_t * seed) { return sample_to(2, 10, seed); }
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int n_dists = 4;
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double weights[] = { 1 - p_c, p_c / 2, p_c / 4, p_c / 4 };
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double (*samplers[])(uint64_t*) = { sample_0, sample_1, sample_few, sample_many };
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double sampler_result(uint64_t * seed)
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{
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return sample_mixture(samplers, weights, n_dists, seed);
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}
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int n_samples = 1000 * 1000, n_threads = 16;
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double* results = malloc((size_t)n_samples * sizeof(double));
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sampler_parallel(sampler_result, results, n_threads, n_samples);
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printf("Avg: %f\n", array_sum(results, n_samples) / n_samples);
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free(results);
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}
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