personal/squiggle.c
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formatting pass

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NunoSempere 2023-07-24 00:15:05 +02:00
parent ef40ef5ae7
commit 84399e60a2
1 changed files with 13 additions and 14 deletions
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examples/08_nuclear_war/example.c
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@ -1,6 +1,6 @@
#include "../../squiggle.h" #include "../../squiggle.h"
#include <stdint.h>
#include <math.h> #include <math.h>
#include <stdint.h>
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
@ -34,7 +34,8 @@ double probability_of_dying_eli(uint64_t* seed)
return probability_of_dying; return probability_of_dying;
} }
double mixture(uint64_t* seed){ double mixture(uint64_t* seed)
{
double (*samplers[])(uint64_t*) = { probability_of_dying_nuno, probability_of_dying_eli }; double (*samplers[])(uint64_t*) = { probability_of_dying_nuno, probability_of_dying_eli };
double weights[] = { 0.5, 0.5 }; double weights[] = { 0.5, 0.5 };
return sample_mixture(samplers, weights, 2, seed); return sample_mixture(samplers, weights, 2, seed);
@ -48,7 +49,6 @@ int main()
int n = 1000 * 1000; int n = 1000 * 1000;
double* mixture_result = malloc(sizeof(double) * n); double* mixture_result = malloc(sizeof(double) * n);
for (int i = 0; i < n; i++) { for (int i = 0; i < n; i++) {
mixture_result[i] = mixture(seed); mixture_result[i] = mixture(seed);
@ -64,6 +64,5 @@ int main()
printf("mean: %f\n", array_mean(mixture_result, n)); printf("mean: %f\n", array_mean(mixture_result, n));
printf("90%% confidence interval: [%f, %f]\n", c_i_90.low, c_i_90.high); printf("90%% confidence interval: [%f, %f]\n", c_i_90.low, c_i_90.high);
free(seed); free(seed);
} }