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39 lines
997 B
C++
39 lines
997 B
C++
/*
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Regression Test for sorting
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Copyright 2024 Ahmet Inan <inan@aicodix.de>
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*/
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#include <random>
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#include <cassert>
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#include <iostream>
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#include <algorithm>
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#include <functional>
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#include "sort.hh"
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int main()
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{
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std::random_device rd;
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typedef std::default_random_engine generator;
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typedef std::uniform_int_distribution<int> distribution;
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auto rand = std::bind(distribution(1, 32), generator(rd()));
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int a[32], b[32], c[32], d[32], e[32], f[32];
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for (int loop = 0; loop < 1000000; ++loop) {
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int size = rand();
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for (int i = 0; i < size; ++i)
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a[i] = b[i] = c[i] = d[i] = rand();
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std::sort(a, a+size);
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CODE::insertion_sort(b, size);
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for (int i = 0; i < size; ++i)
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assert(a[i] == b[i]);
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for (int i = 0; i < size; ++i)
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e[i] = i;
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std::stable_sort(e, e+size, [c](int i, int j){ return c[i] < c[j]; });
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CODE::insertion_sort(f, d, size);
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for (int i = 0; i < size; ++i)
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assert(e[i] == f[i]);
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}
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std::cerr << "Sorting regression test passed!" << std::endl;
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return 0;
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}
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