/* Copyright 2014 Wolfgang Thaller. This file is part of Retro68. Retro68 is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. Retro68 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Retro68. If not, see <http://www.gnu.org/licenses/>.*/#include <iostream>#include <cstdlib>#include <cstdio>#include <vector>#include <Events.h>#include "fixed.h"#include <cmath>using std::sqrt;class timer{ long t;public: timer() : t(TickCount()) {} float elapsed() { return (TickCount() - t) / 60.15f; }};template<class number>void runTests(std::string type, std::vector<number>& numbers){ std::cout << "***********************************\n"; std::cout << "Running tests on type " << type << ":\n"; std::cout << "***********************************\n"; int n = numbers.size(); std::vector<number> outputs(n); std::cout << "Testing Multiplication..." << std::flush; { timer t; for(int i = 0; i < n; i++) { outputs[i] = numbers[i] * numbers[n - i - 1]; } std::cout << 1000 * t.elapsed() / n << "ms\n"; } std::cout << "Testing Division..." << std::flush; { timer t; for(int i = 0; i < n; i++) { outputs[i] = numbers[i] / numbers[n - i - 1]; } std::cout << 1000 * t.elapsed() / n << "ms\n"; } std::cout << "Testing Square Root..." << std::flush; { timer t; for(int i = 0; i < n; i++) { outputs[i] = sqrt(numbers[i]); } std::cout << 1000 * t.elapsed() / n << "ms\n"; } std::cout << std::endl;}int main(int argc, char** argv){ std::cout << "Hello, world.\n"; std::cout << "Generating numbers..." << std::flush; const size_t n = 1000; std::vector<fixed> numbers(n); std::vector<float> floats(n); std::vector<double> doubles(n); for(size_t i = 0; i < numbers.size(); i++) { numbers[i] = fixed(std::rand(), fixed::raw()); floats[i] = float(std::rand()) / RAND_MAX; doubles[i] = double(std::rand()) / RAND_MAX; } std::vector<fixed> outputs(n); std::cout << "done.\n\n"; runTests("float", floats); runTests("double", doubles); runTests("fixed", numbers); std::cout << "Press Enter to Exit ;-)\n"; std::cin.get(); return 0;}
/*
Copyright 2014 Wolfgang Thaller.
This file is part of Retro68.
Retro68 is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Retro68 is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Retro68. If not, see <http://www.gnu.org/licenses/>.
*/
#include <iostream>
#include <cstdlib>
#include <cstdio>
#include <vector>
#include <Events.h>
#include "fixed.h"
#include <cmath>
using std::sqrt;
class timer
{
long t;
public:
timer() : t(TickCount()) {}
float elapsed() { return (TickCount() - t) / 60.15f; }
};
template<class number>
void runTests(std::string type, std::vector<number>& numbers)
{
std::cout << "***********************************\n";
std::cout << "Running tests on type " << type << ":\n";
std::cout << "***********************************\n";
int n = numbers.size();
std::vector<number> outputs(n);
std::cout << "Testing Multiplication..." << std::flush;
{
timer t;
for(int i = 0; i < n; i++)
{
outputs[i] = numbers[i] * numbers[n - i - 1];
}
std::cout << 1000 * t.elapsed() / n << "ms\n";
}
std::cout << "Testing Division..." << std::flush;
{
timer t;
for(int i = 0; i < n; i++)
{
outputs[i] = numbers[i] / numbers[n - i - 1];
}
std::cout << 1000 * t.elapsed() / n << "ms\n";
}
std::cout << "Testing Square Root..." << std::flush;
{
timer t;
for(int i = 0; i < n; i++)
{
outputs[i] = sqrt(numbers[i]);
}
std::cout << 1000 * t.elapsed() / n << "ms\n";
}
std::cout << std::endl;
}
int main(int argc, char** argv)
{
std::cout << "Hello, world.\n";
std::cout << "Generating numbers..." << std::flush;
const size_t n = 1000;
std::vector<fixed> numbers(n);
std::vector<float> floats(n);
std::vector<double> doubles(n);
for(size_t i = 0; i < numbers.size(); i++)
{
numbers[i] = fixed(std::rand(), fixed::raw());
floats[i] = float(std::rand()) / RAND_MAX;
doubles[i] = double(std::rand()) / RAND_MAX;
}
std::vector<fixed> outputs(n);
std::cout << "done.\n\n";
runTests("float", floats);
runTests("double", doubles);
runTests("fixed", numbers);
std::cout << "Press Enter to Exit ;-)\n";
std::cin.get();
return 0;
}