/* -------------------------------------------------------------------------- *
 *                      SimTK Core: SimTKcommon                               *
 * -------------------------------------------------------------------------- *
 * This is part of the SimTK Core biosimulation toolkit originating from      *
 * Simbios, the NIH National Center for Physics-Based Simulation of           *
 * Biological Structures at Stanford, funded under the NIH Roadmap for        *
 * Medical Research, grant U54 GM072970. See https://simtk.org.               *
 *                                                                            *
 * Portions copyright (c) 2007 Stanford University and the Authors.           *
 * Authors: Peter Eastman                                                     *
 * Contributors:                                                              *
 *                                                                            *
 * Permission is hereby granted, free of charge, to any person obtaining a    *
 * copy of this software and associated documentation files (the "Software"), *
 * to deal in the Software without restriction, including without limitation  *
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,   *
 * and/or sell copies of the Software, and to permit persons to whom the      *
 * Software is furnished to do so, subject to the following conditions:       *
 *                                                                            *
 * The above copyright notice and this permission notice shall be included in *
 * all copies or substantial portions of the Software.                        *
 *                                                                            *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,   *
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL    *
 * THE AUTHORS, CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,    *
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR      *
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE  *
 * USE OR OTHER DEALINGS IN THE SOFTWARE.                                     *
 * -------------------------------------------------------------------------- */

#include "../../Random/src/SFMT.h"

#include <cassert>
#include <iostream>
using namespace SimTK_SFMT;
using std::cout;
using std::endl;

int main() {
    try {
    	SFMTData* sfmt = createSFMTData();
    	
    	// Read off the first five numbers generated by SFMT, and compare them to the expected values provided with the library.
    	
    	init_gen_rand(1234, *sfmt);
    	unsigned int expected[] = {3440181298u, 1564997079u, 1510669302u, 2930277156u, 1452439940u};
    	for (int i = 0; i < 5; ++i)
    		assert(gen_rand32(*sfmt) == expected[i]);
    	
    	// Make sure that getting numbers a whole array at a time gives the same values.
    	
    	int length = get_min_array_size32();
    	if (length < 5)
    		length = 5;
    	uint32_t* values = new uint32_t[length];
    	init_gen_rand(1234, *sfmt);
    	fill_array32(values, length, *sfmt);
    	for (int i = 0; i < 5; ++i)
    		assert(values[i] == expected[i]);
    	deleteSFMTData(sfmt);
    	delete[] values;
    } catch(const std::exception& e) {
        cout << "exception: " << e.what() << endl;
        return 1;
    }
    return 0;
}