35 lines
1.2 KiB
C
35 lines
1.2 KiB
C
#include "../../../squiggle.h"
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#include "../../../squiggle_more.h"
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#include <math.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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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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// Convert to 90% confidence interval form and back
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lognormal_params ln1 = { .logmean = 1.0, .logstd = 3.0 };
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ci ln1_ci = convert_lognormal_params_to_ci(ln1);
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printf("The 90%% confidence interval of Lognormal(%f, %f) is [%f, %f]\n",
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ln1.logmean, ln1.logstd,
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ln1_ci.low, ln1_ci.high);
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lognormal_params ln1_params2 = convert_ci_to_lognormal_params(ln1_ci);
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printf("The lognormal which has 90%% confidence interval [%f, %f] is Lognormal(%f, %f)\n",
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ln1_ci.low, ln1_ci.high,
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ln1_params2.logmean, ln1_params2.logstd);
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lognormal_params ln2 = convert_ci_to_lognormal_params((ci) { .low = 1, .high = 10 });
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lognormal_params ln3 = convert_ci_to_lognormal_params((ci) { .low = 5, .high = 50 });
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lognormal_params sln = algebra_product_lognormals(ln2, ln3);
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ci sln_ci = convert_lognormal_params_to_ci(sln);
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printf("Result of some lognormal products: to(%f, %f)\n", sln_ci.low, sln_ci.high);
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free(seed);
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}
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