forked from personal/squiggle.c
48 lines
2.0 KiB
C
48 lines
2.0 KiB
C
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#include "../../squiggle.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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double probability_of_dying_nuno(uint64_t* seed){
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double first_year_russian_nuclear_weapons = 1953;
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double current_year = 2023;
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double laplace_probability_nuclear_exchange_next_year = sample_beta(current_year-first_year_russian_nuclear_weapons, 0, seed);
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double london_hit_conditional_on_russia_nuclear_weapon_usage = sample_beta(7.67, 69.65, seed);
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// I.e., a beta distribution with a range of 0.05 to 0.16 into: https://nunosempere.com/blog/2023/03/15/fit-beta/
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// 0.05 were my estimate and Samotsvety's estimate in March 2022, respectively:
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// https://forum.effectivealtruism.org/posts/KRFXjCqqfGQAYirm5/samotsvety-nuclear-risk-forecasts-march-2022#Nu_o_Sempere
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double informed_actor_not_able_to_escape = sample_beta(3.26212166586967, 3.26228162008564, seed);
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// 0.2 to 0.8, i.e., 20% to 80%, again using the previous tool
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double proportion_which_die_if_bomb_drops_in_london = sample_beta(10.00, 2.45, seed); // 60% to 95%
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double probability_of_dying = laplace_probability_nuclear_exchange_next_year *
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london_hit_conditional_on_russia_nuclear_weapon_usage *
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informed_actor_not_able_to_escape *
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proportion_which_die_if_bomb_drops_in_london;
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return probability_of_dying;
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}
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double probability_of_dying_eli(uint64_t* seed){
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double russia_nato_nuclear_exchange_in_next_month=sample_beta(1.30, 1182.99,seed); // .0001 to .003
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double london_hit_conditional = sample_beta(3.47, 8.97, seed); // 0.1 to 0.5
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double informed_actors_not_able_to_escape = sample_beta(2.73, 5.67, seed); // .1 to .6
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double proportion_which_die_if_bomb_drops_in_london = sample_beta(3.00, 1.46, seed); // 0.3 to 0.95;
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double probability_of_dying = russia_nato_nuclear_exchange_in_next_month*london_hit_conditional*informed_actors_not_able_to_escape*proportion_which_die_if_bomb_drops_in_london;
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return probability_of_dying;
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}
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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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free(seed);
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}
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