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25 lines
1.3 KiB
C++
25 lines
1.3 KiB
C++
#include <quiz.h>
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#include <string.h>
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#include <assert.h>
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#include <float.h>
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#include <cmath>
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#include "../distribution/student_distribution.h"
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#include "../distribution/hypergeometric_function.h"
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void assert_hypergeometric_is(double a, double b, double c, double z, double result) {
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double r = 0.0;
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const double precision = Probability::StudentDistribution::k_hypergeometricFunctionPrecision;
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quiz_assert(hypergeometricFunction(a, b, c, z, precision, Probability::StudentDistribution::k_maxHypergeometricFunctionIterations, &r));
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quiz_assert(std::abs(r - result)/result <= 100 * precision); // Multiply by 100 because precision is too strict
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}
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QUIZ_CASE(hypergeometric_function) {
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assert_hypergeometric_is(1.0, 2.0, 3.0, 0.5, 1.545177444479562475337856971665412544604001074882042032965);
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assert_hypergeometric_is(0.5, 0.6, 0.9, 0.2, 1.076590925287316818209663064430201685162648800967441005164);
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assert_hypergeometric_is(1.4, 0.72, 3.56, 0.9, 1.496490448634238403792101320605116555747748144140465947806);
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assert_hypergeometric_is(10.0, 0.2, 13.3, 0.12, 1.019119266590223428068941990750518046484840980662175905693);
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assert_hypergeometric_is(0.1, 0.2, 56.0, 0.21, 1.000075183394368041565539149267931545331418014779591403758);
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assert_hypergeometric_is(33.0, 0.3, 0.5678, 0.765, 85766460438444348287.386477193902261907533508044855870);
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}
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