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https://github.com/UpsilonNumworks/Upsilon.git
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91 lines
3.7 KiB
C++
91 lines
3.7 KiB
C++
#include <quiz.h>
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#include <poincare.h>
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#include <poincare/arithmetic.h>
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#include <assert.h>
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#include <utility>
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#include "helper.h"
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#if POINCARE_TESTS_PRINT_EXPRESSIONS
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#include "../src/expression_debug.h"
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#include <iostream>
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using namespace std;
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#endif
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using namespace Poincare;
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void assert_gcd_equals_to(Integer a, Integer b, Integer c) {
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#if POINCARE_TESTS_PRINT_EXPRESSIONS
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cout << "---- GCD ----" << endl;
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cout << "gcd(" << a.approximate<float>();
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cout << ", " << b.approximate<float>() << ") = ";
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#endif
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Integer gcd = Arithmetic::GCD(a, b);
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#if POINCARE_TESTS_PRINT_EXPRESSIONS
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cout << gcd.approximate<float>() << endl;
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#endif
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quiz_assert(gcd.isEqualTo(c));
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}
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void assert_lcm_equals_to(Integer a, Integer b, Integer c) {
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#if POINCARE_TESTS_PRINT_EXPRESSIONS
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cout << "---- LCM ----" << endl;
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cout << "lcm(" << a.approximate<float>();
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cout << ", " << b.approximate<float>() << ") = ";
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#endif
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Integer lcm = Arithmetic::LCM(a, b);
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#if POINCARE_TESTS_PRINT_EXPRESSIONS
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cout << lcm.approximate<float>() << endl;
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#endif
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quiz_assert(lcm.isEqualTo(c));
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}
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void assert_prime_factorization_equals_to(Integer a, int * factors, int * coefficients, int length) {
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GlobalContext context;
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Integer outputFactors[100];
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Integer outputCoefficients[100];
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#if POINCARE_TESTS_PRINT_EXPRESSIONS
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cout << "---- Primes factorization ----" << endl;
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cout << "Decomp(" << a.approximate<float>() << ") = ";
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#endif
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Arithmetic::PrimeFactorization(a, outputFactors, outputCoefficients, 10);
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#if POINCARE_TESTS_PRINT_EXPRESSIONS
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print_prime_factorization(outputFactors, outputCoefficients, 10);
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#endif
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for (int index = 0; index < length; index++) {
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if (outputCoefficients[index].isEqualTo(Integer(0))) {
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break;
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}
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/* Cheat: instead of comparing to integers, we compare their approximations
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* (the relation between integers and their approximation is a surjection,
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* however different integers are really likely to have different
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* approximations... */
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quiz_assert(outputFactors[index].approximate<float>() == Integer(factors[index]).approximate<float>());
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quiz_assert(outputCoefficients[index].approximate<float>() == Integer(coefficients[index]).approximate<float>());
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}
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}
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QUIZ_CASE(poincare_arithmetic) {
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assert_gcd_equals_to(Integer(11), Integer(121), Integer(11));
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assert_gcd_equals_to(Integer(-256), Integer(321), Integer(1));
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assert_gcd_equals_to(Integer(-8), Integer(-40), Integer(8));
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assert_gcd_equals_to(Integer("1234567899876543456"), Integer("234567890098765445678"), Integer(2));
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assert_gcd_equals_to(Integer("45678998789"), Integer("1461727961248"), Integer("45678998789"));
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assert_lcm_equals_to(Integer(11), Integer(121), Integer(121));
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assert_lcm_equals_to(Integer(-31), Integer(52), Integer(1612));
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assert_lcm_equals_to(Integer(-8), Integer(-40), Integer(40));
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assert_lcm_equals_to(Integer("1234567899876543456"), Integer("234567890098765445678"), Integer("144794993728852353909143567804987191584"));
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assert_lcm_equals_to(Integer("45678998789"), Integer("1461727961248"), Integer("1461727961248"));
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int factors0[5] = {2,3,5,79,1319};
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int coefficients0[5] = {2,1,1,1,1};
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assert_prime_factorization_equals_to(Integer(6252060), factors0, coefficients0, 5);
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int factors1[3] = {3,2969, 6907};
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int coefficients1[3] = {1,1,1};
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assert_prime_factorization_equals_to(Integer(61520649), factors1, coefficients1, 3);
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int factors2[3] = {2,5, 7};
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int coefficients2[3] = {2,4,2};
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assert_prime_factorization_equals_to(Integer(122500), factors2, coefficients2, 3);
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int factors3[7] = {3,7,11, 13, 19, 3607, 3803};
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int coefficients3[7] = {4,2,2,2,2,2,2};
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assert_prime_factorization_equals_to(Integer("5513219850886344455940081"), factors3, coefficients3, 7);
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}
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